./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:36:28,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:36:28,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-29 01:36:28,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:36:28,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:36:28,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:36:28,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:36:28,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:36:28,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:36:28,870 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:36:28,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:36:28,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:36:28,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:36:28,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:36:28,873 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:36:28,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:36:28,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:36:28,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:36:28,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:36:28,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:36:28,876 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 01:36:28,877 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 01:36:28,877 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 01:36:28,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:36:28,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:36:28,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:36:28,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:36:28,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:36:28,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:36:28,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:36:28,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:36:28,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:36:28,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:36:28,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:36:28,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:36:28,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:36:28,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:36:28,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:36:28,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:36:28,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:36:28,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:36:28,896 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2023-11-29 01:36:29,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:36:29,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:36:29,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:36:29,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:36:29,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:36:29,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2023-11-29 01:36:31,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:36:32,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:36:32,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/sv-benchmarks/c/list-simple/dll2c_update_all.i [2023-11-29 01:36:32,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/data/48ffb37d6/ec16bdbd67d84c8282883ed78a13fe51/FLAGf49e1d784 [2023-11-29 01:36:32,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/data/48ffb37d6/ec16bdbd67d84c8282883ed78a13fe51 [2023-11-29 01:36:32,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:36:32,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:36:32,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:36:32,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:36:32,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:36:32,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359db25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32, skipping insertion in model container [2023-11-29 01:36:32,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:36:32,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:36:32,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:36:32,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:36:32,547 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:36:32,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32 WrapperNode [2023-11-29 01:36:32,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:36:32,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:36:32,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:36:32,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:36:32,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,596 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-29 01:36:32,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:36:32,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:36:32,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:36:32,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:36:32,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,631 INFO L175 MemorySlicer]: Split 15 memory accesses to 2 slices as follows [2, 13]. 87 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 8 writes are split as follows [0, 8]. [2023-11-29 01:36:32,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:36:32,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:36:32,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:36:32,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:36:32,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (1/1) ... [2023-11-29 01:36:32,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:36:32,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:32,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:32,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-29 01:36:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:36:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:36:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:36:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:36:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:36:32,822 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:36:32,824 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:36:33,091 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:36:33,132 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:36:33,133 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 01:36:33,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:36:33 BoogieIcfgContainer [2023-11-29 01:36:33,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:36:33,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:36:33,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:36:33,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:36:33,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:36:32" (1/3) ... [2023-11-29 01:36:33,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0115fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:36:33, skipping insertion in model container [2023-11-29 01:36:33,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:32" (2/3) ... [2023-11-29 01:36:33,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0115fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:36:33, skipping insertion in model container [2023-11-29 01:36:33,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:36:33" (3/3) ... [2023-11-29 01:36:33,142 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2023-11-29 01:36:33,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:36:33,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-29 01:36:33,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:36:33,215 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d71a072, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:36:33,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2023-11-29 01:36:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 42 states have (on average 2.2142857142857144) internal successors, (93), 76 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 01:36:33,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:33,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 01:36:33,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting node_createErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:33,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:33,230 INFO L85 PathProgramCache]: Analyzing trace with hash 222887514, now seen corresponding path program 1 times [2023-11-29 01:36:33,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:33,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735426135] [2023-11-29 01:36:33,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:33,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:33,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:33,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735426135] [2023-11-29 01:36:33,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735426135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:33,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:33,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:36:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119811743] [2023-11-29 01:36:33,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:33,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:36:33,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:33,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:36:33,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:36:33,485 INFO L87 Difference]: Start difference. First operand has 80 states, 42 states have (on average 2.2142857142857144) internal successors, (93), 76 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:33,582 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2023-11-29 01:36:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:36:33,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-29 01:36:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:33,592 INFO L225 Difference]: With dead ends: 76 [2023-11-29 01:36:33,592 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 01:36:33,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:36:33,598 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 8 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:33,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 110 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 01:36:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-29 01:36:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 40 states have (on average 1.95) internal successors, (78), 70 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2023-11-29 01:36:33,636 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 5 [2023-11-29 01:36:33,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:33,637 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2023-11-29 01:36:33,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-11-29 01:36:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 01:36:33,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:33,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 01:36:33,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:36:33,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting node_createErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:33,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:33,639 INFO L85 PathProgramCache]: Analyzing trace with hash 222887515, now seen corresponding path program 1 times [2023-11-29 01:36:33,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:33,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400184222] [2023-11-29 01:36:33,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:33,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:33,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:33,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400184222] [2023-11-29 01:36:33,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400184222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:33,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:36:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327679404] [2023-11-29 01:36:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:33,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:36:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:33,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:36:33,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:36:33,748 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:33,813 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2023-11-29 01:36:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:36:33,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-29 01:36:33,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:33,815 INFO L225 Difference]: With dead ends: 71 [2023-11-29 01:36:33,816 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 01:36:33,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:36:33,817 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:33,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:33,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 01:36:33,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 01:36:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 40 states have (on average 1.875) internal successors, (75), 67 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2023-11-29 01:36:33,826 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 5 [2023-11-29 01:36:33,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:33,827 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2023-11-29 01:36:33,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2023-11-29 01:36:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 01:36:33,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:33,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:33,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:36:33,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:33,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash 211138607, now seen corresponding path program 1 times [2023-11-29 01:36:33,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:33,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701784964] [2023-11-29 01:36:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:33,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:33,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:33,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701784964] [2023-11-29 01:36:33,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701784964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:33,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:33,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:36:33,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712824686] [2023-11-29 01:36:33,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:33,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:36:33,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:33,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:33,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:36:33,971 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 01:36:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:34,071 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2023-11-29 01:36:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:34,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-29 01:36:34,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:34,073 INFO L225 Difference]: With dead ends: 82 [2023-11-29 01:36:34,073 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 01:36:34,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:36:34,075 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 10 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:34,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 160 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:34,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 01:36:34,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2023-11-29 01:36:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.853658536585366) internal successors, (76), 68 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2023-11-29 01:36:34,086 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 11 [2023-11-29 01:36:34,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:34,087 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2023-11-29 01:36:34,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 01:36:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-29 01:36:34,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 01:36:34,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:34,088 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:34,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:36:34,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:34,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash -709309976, now seen corresponding path program 1 times [2023-11-29 01:36:34,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:34,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271167474] [2023-11-29 01:36:34,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:34,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:36:34,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:34,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271167474] [2023-11-29 01:36:34,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271167474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:34,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:34,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:36:34,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426693317] [2023-11-29 01:36:34,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:34,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:36:34,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:34,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:36:34,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:36:34,286 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:34,480 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2023-11-29 01:36:34,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:36:34,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-29 01:36:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:34,482 INFO L225 Difference]: With dead ends: 71 [2023-11-29 01:36:34,482 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 01:36:34,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:34,484 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 9 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:34,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 248 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:36:34,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 01:36:34,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 01:36:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.829268292682927) internal successors, (75), 67 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2023-11-29 01:36:34,493 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 19 [2023-11-29 01:36:34,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:34,493 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2023-11-29 01:36:34,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2023-11-29 01:36:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 01:36:34,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:34,495 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:34,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:36:34,495 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:34,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:34,496 INFO L85 PathProgramCache]: Analyzing trace with hash -709309975, now seen corresponding path program 1 times [2023-11-29 01:36:34,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:34,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001374560] [2023-11-29 01:36:34,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:34,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:34,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:34,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001374560] [2023-11-29 01:36:34,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001374560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:34,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:34,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:36:34,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636777144] [2023-11-29 01:36:34,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:34,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:36:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:34,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:36:34,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:36:34,769 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 7 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:34,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:34,938 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2023-11-29 01:36:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:36:34,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-29 01:36:34,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:34,939 INFO L225 Difference]: With dead ends: 70 [2023-11-29 01:36:34,939 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 01:36:34,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:34,941 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 7 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:34,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 268 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:34,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 01:36:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 01:36:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 66 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2023-11-29 01:36:34,948 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 19 [2023-11-29 01:36:34,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:34,948 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2023-11-29 01:36:34,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-29 01:36:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 01:36:34,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:34,950 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:34,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:36:34,950 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:34,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:34,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1252912841, now seen corresponding path program 1 times [2023-11-29 01:36:34,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:34,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269712142] [2023-11-29 01:36:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:35,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:35,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269712142] [2023-11-29 01:36:35,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269712142] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:35,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445602187] [2023-11-29 01:36:35,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:35,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:35,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:35,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:35,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:36:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:35,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 01:36:35,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:35,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:36:35,484 WARN L876 $PredicateComparison]: unable to prove that (exists ((|node_create_~temp~0#1.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |node_create_~temp~0#1.base| (select |c_#valid| |node_create_~temp~0#1.base|))) (= 0 (select |c_old(#valid)| |node_create_~temp~0#1.base|)))) is different from true [2023-11-29 01:36:35,541 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 01:36:35,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-29 01:36:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-11-29 01:36:35,553 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:35,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445602187] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:35,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:36:35,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2023-11-29 01:36:35,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123210823] [2023-11-29 01:36:35,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:35,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:36:35,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:35,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:36:35,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=87, Unknown=1, NotChecked=18, Total=132 [2023-11-29 01:36:35,616 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 11 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:35,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:35,843 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2023-11-29 01:36:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:36:35,843 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-11-29 01:36:35,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:35,844 INFO L225 Difference]: With dead ends: 77 [2023-11-29 01:36:35,844 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 01:36:35,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=121, Unknown=1, NotChecked=22, Total=182 [2023-11-29 01:36:35,846 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 5 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:35,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 279 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 244 Invalid, 0 Unknown, 82 Unchecked, 0.2s Time] [2023-11-29 01:36:35,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 01:36:35,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2023-11-29 01:36:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.7777777777777777) internal successors, (80), 70 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2023-11-29 01:36:35,853 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 21 [2023-11-29 01:36:35,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:35,854 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2023-11-29 01:36:35,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2023-11-29 01:36:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 01:36:35,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:35,855 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:35,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:36,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 01:36:36,059 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:36,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1252912842, now seen corresponding path program 1 times [2023-11-29 01:36:36,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:36,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77694429] [2023-11-29 01:36:36,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:36,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:36,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77694429] [2023-11-29 01:36:36,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77694429] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:36,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310018805] [2023-11-29 01:36:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:36,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:36,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:36,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:36,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:36:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:36,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 01:36:36,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:36,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:36:36,827 WARN L876 $PredicateComparison]: unable to prove that (exists ((|node_create_~temp~0#1.base| Int)) (and (= (store |c_old(#length)| |node_create_~temp~0#1.base| (select |c_#length| |node_create_~temp~0#1.base|)) |c_#length|) (= 0 (select |c_old(#valid)| |node_create_~temp~0#1.base|)))) is different from true [2023-11-29 01:36:36,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:36:36,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 01:36:36,875 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:36:36,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:36:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-11-29 01:36:36,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:37,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310018805] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:37,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:36:37,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2023-11-29 01:36:37,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137348204] [2023-11-29 01:36:37,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:37,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 01:36:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:37,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 01:36:37,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=174, Unknown=1, NotChecked=26, Total=240 [2023-11-29 01:36:37,020 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 14 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:37,412 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2023-11-29 01:36:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:36:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-11-29 01:36:37,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:37,414 INFO L225 Difference]: With dead ends: 77 [2023-11-29 01:36:37,414 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 01:36:37,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=220, Unknown=1, NotChecked=30, Total=306 [2023-11-29 01:36:37,415 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 4 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:37,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 453 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 448 Invalid, 0 Unknown, 82 Unchecked, 0.3s Time] [2023-11-29 01:36:37,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 01:36:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2023-11-29 01:36:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.7555555555555555) internal successors, (79), 70 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:37,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2023-11-29 01:36:37,421 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 21 [2023-11-29 01:36:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:37,421 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2023-11-29 01:36:37,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-11-29 01:36:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 01:36:37,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:37,423 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:37,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:36:37,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:37,627 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:37,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1458551455, now seen corresponding path program 1 times [2023-11-29 01:36:37,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:37,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095709337] [2023-11-29 01:36:37,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:37,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:37,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:37,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095709337] [2023-11-29 01:36:37,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095709337] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:37,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854142197] [2023-11-29 01:36:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:37,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:37,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:37,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:37,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:36:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:37,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:36:37,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:37,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:38,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854142197] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:38,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:38,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2023-11-29 01:36:38,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317927845] [2023-11-29 01:36:38,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:38,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:36:38,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:38,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:36:38,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:36:38,003 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:38,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:38,122 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2023-11-29 01:36:38,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:36:38,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2023-11-29 01:36:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:38,123 INFO L225 Difference]: With dead ends: 76 [2023-11-29 01:36:38,123 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 01:36:38,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:38,124 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:38,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 314 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:38,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 01:36:38,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2023-11-29 01:36:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 70 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2023-11-29 01:36:38,131 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 23 [2023-11-29 01:36:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:38,131 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2023-11-29 01:36:38,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2023-11-29 01:36:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 01:36:38,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:38,133 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:38,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:36:38,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:38,336 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:38,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2034325814, now seen corresponding path program 1 times [2023-11-29 01:36:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:38,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419332260] [2023-11-29 01:36:38,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:36:38,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:38,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419332260] [2023-11-29 01:36:38,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419332260] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:38,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285354977] [2023-11-29 01:36:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:38,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:38,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:38,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:38,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:36:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:38,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:36:38,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:36:38,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:38,627 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-29 01:36:38,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2023-11-29 01:36:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:36:38,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285354977] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:38,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:38,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 5 [2023-11-29 01:36:38,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521479752] [2023-11-29 01:36:38,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:38,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:38,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:38,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:38,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:38,645 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:38,774 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2023-11-29 01:36:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:38,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2023-11-29 01:36:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:38,777 INFO L225 Difference]: With dead ends: 80 [2023-11-29 01:36:38,777 INFO L226 Difference]: Without dead ends: 80 [2023-11-29 01:36:38,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:36:38,778 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 6 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:38,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 229 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:38,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-29 01:36:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2023-11-29 01:36:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 73 states have internal predecessors, (83), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2023-11-29 01:36:38,783 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 24 [2023-11-29 01:36:38,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:38,784 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2023-11-29 01:36:38,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-11-29 01:36:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 01:36:38,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:38,785 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:38,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:38,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:38,991 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:38,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:38,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2034325813, now seen corresponding path program 1 times [2023-11-29 01:36:38,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:38,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134692338] [2023-11-29 01:36:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:38,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:39,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:39,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134692338] [2023-11-29 01:36:39,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134692338] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:39,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178899730] [2023-11-29 01:36:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:39,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:39,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:39,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:39,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:36:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:39,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 01:36:39,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:39,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:39,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:39,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2023-11-29 01:36:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:39,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178899730] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:39,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:39,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2023-11-29 01:36:39,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114193243] [2023-11-29 01:36:39,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:39,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 01:36:39,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:39,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 01:36:39,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:36:39,698 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 16 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 01:36:39,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:39,925 INFO L93 Difference]: Finished difference Result 82 states and 93 transitions. [2023-11-29 01:36:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:36:39,925 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 24 [2023-11-29 01:36:39,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:39,926 INFO L225 Difference]: With dead ends: 82 [2023-11-29 01:36:39,926 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 01:36:39,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-11-29 01:36:39,928 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:39,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 500 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:36:39,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 01:36:39,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2023-11-29 01:36:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.7083333333333333) internal successors, (82), 73 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2023-11-29 01:36:39,933 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 24 [2023-11-29 01:36:39,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:39,933 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2023-11-29 01:36:39,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 01:36:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-29 01:36:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 01:36:39,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:39,934 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:39,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:36:40,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:40,141 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:40,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:40,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1360409211, now seen corresponding path program 1 times [2023-11-29 01:36:40,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:40,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911611664] [2023-11-29 01:36:40,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:40,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:36:40,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:40,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911611664] [2023-11-29 01:36:40,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911611664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:40,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:40,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:36:40,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519177810] [2023-11-29 01:36:40,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:40,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:36:40,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:40,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:36:40,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:40,310 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 8 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:40,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:40,481 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2023-11-29 01:36:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:36:40,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-29 01:36:40,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:40,483 INFO L225 Difference]: With dead ends: 78 [2023-11-29 01:36:40,483 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 01:36:40,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:36:40,484 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 9 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:40,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 282 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:40,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 01:36:40,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2023-11-29 01:36:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.6875) internal successors, (81), 72 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2023-11-29 01:36:40,488 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 25 [2023-11-29 01:36:40,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:40,488 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2023-11-29 01:36:40,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-11-29 01:36:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 01:36:40,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:40,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:40,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:36:40,490 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:40,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1360409212, now seen corresponding path program 1 times [2023-11-29 01:36:40,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:40,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795805661] [2023-11-29 01:36:40,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:40,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795805661] [2023-11-29 01:36:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795805661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:40,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:40,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:36:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43101922] [2023-11-29 01:36:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:40,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:36:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:40,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:36:40,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:40,786 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand has 8 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:40,964 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2023-11-29 01:36:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:36:40,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-29 01:36:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:40,965 INFO L225 Difference]: With dead ends: 76 [2023-11-29 01:36:40,965 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 01:36:40,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:36:40,966 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 7 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:40,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 307 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:36:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 01:36:40,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-29 01:36:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.6666666666666667) internal successors, (80), 71 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2023-11-29 01:36:40,970 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 25 [2023-11-29 01:36:40,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:40,970 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2023-11-29 01:36:40,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2023-11-29 01:36:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 01:36:40,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:40,971 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:40,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:36:40,972 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:40,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:40,972 INFO L85 PathProgramCache]: Analyzing trace with hash 644422841, now seen corresponding path program 1 times [2023-11-29 01:36:40,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:40,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45124177] [2023-11-29 01:36:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:40,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:36:41,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:41,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45124177] [2023-11-29 01:36:41,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45124177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:41,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:41,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:36:41,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565844269] [2023-11-29 01:36:41,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:41,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:36:41,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:41,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:36:41,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:36:41,184 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:41,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:41,418 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2023-11-29 01:36:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 01:36:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-29 01:36:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:41,419 INFO L225 Difference]: With dead ends: 101 [2023-11-29 01:36:41,419 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 01:36:41,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:36:41,420 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 65 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:41,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 296 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:36:41,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 01:36:41,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 79. [2023-11-29 01:36:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.6862745098039216) internal successors, (86), 74 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2023-11-29 01:36:41,424 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 28 [2023-11-29 01:36:41,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:41,425 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2023-11-29 01:36:41,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-29 01:36:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 01:36:41,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:41,426 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:41,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:36:41,426 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:41,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:41,427 INFO L85 PathProgramCache]: Analyzing trace with hash 644422842, now seen corresponding path program 1 times [2023-11-29 01:36:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:41,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118410760] [2023-11-29 01:36:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:41,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:41,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118410760] [2023-11-29 01:36:41,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118410760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:41,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:41,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:36:41,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969607182] [2023-11-29 01:36:41,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:41,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:36:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:41,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:36:41,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:36:41,801 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand has 10 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:42,027 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2023-11-29 01:36:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:36:42,028 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-29 01:36:42,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:42,029 INFO L225 Difference]: With dead ends: 79 [2023-11-29 01:36:42,029 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 01:36:42,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:36:42,030 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 62 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:42,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 331 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:36:42,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 01:36:42,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-29 01:36:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2023-11-29 01:36:42,033 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 28 [2023-11-29 01:36:42,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:42,034 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2023-11-29 01:36:42,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-29 01:36:42,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 01:36:42,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:42,035 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:42,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:36:42,035 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:42,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:42,036 INFO L85 PathProgramCache]: Analyzing trace with hash 815257392, now seen corresponding path program 1 times [2023-11-29 01:36:42,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:42,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426043822] [2023-11-29 01:36:42,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426043822] [2023-11-29 01:36:42,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426043822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:42,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:42,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361429960] [2023-11-29 01:36:42,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:42,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:36:42,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:36:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:36:42,145 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:42,268 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2023-11-29 01:36:42,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:36:42,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-29 01:36:42,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:42,270 INFO L225 Difference]: With dead ends: 119 [2023-11-29 01:36:42,270 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 01:36:42,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:42,271 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 42 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:42,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 203 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:42,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 01:36:42,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 81. [2023-11-29 01:36:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 76 states have internal predecessors, (87), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2023-11-29 01:36:42,275 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 30 [2023-11-29 01:36:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:42,275 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2023-11-29 01:36:42,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-29 01:36:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 01:36:42,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:42,277 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:42,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:36:42,277 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:42,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 813827583, now seen corresponding path program 1 times [2023-11-29 01:36:42,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:42,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365944659] [2023-11-29 01:36:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:42,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:42,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365944659] [2023-11-29 01:36:42,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365944659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:42,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:42,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:42,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679680550] [2023-11-29 01:36:42,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:42,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:36:42,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:42,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:36:42,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:36:42,387 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:42,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:42,470 INFO L93 Difference]: Finished difference Result 94 states and 106 transitions. [2023-11-29 01:36:42,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:36:42,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-29 01:36:42,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:42,471 INFO L225 Difference]: With dead ends: 94 [2023-11-29 01:36:42,471 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 01:36:42,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:36:42,472 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 85 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:42,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 146 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 01:36:42,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 82. [2023-11-29 01:36:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.6111111111111112) internal successors, (87), 77 states have internal predecessors, (87), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2023-11-29 01:36:42,476 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 30 [2023-11-29 01:36:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:42,477 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2023-11-29 01:36:42,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-11-29 01:36:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:36:42,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:42,478 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:42,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:36:42,478 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:42,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1577301811, now seen corresponding path program 1 times [2023-11-29 01:36:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:42,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515635181] [2023-11-29 01:36:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:43,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:43,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515635181] [2023-11-29 01:36:43,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515635181] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:43,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207757494] [2023-11-29 01:36:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:43,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:43,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:43,401 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:43,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:36:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:43,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-29 01:36:43,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:43,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:36:43,691 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:36:43,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:36:43,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:43,778 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:36:43,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2023-11-29 01:36:43,883 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:36:43,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 01:36:43,944 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-29 01:36:43,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 23 [2023-11-29 01:36:44,183 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-29 01:36:44,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 43 [2023-11-29 01:36:44,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:36:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:44,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:44,536 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1697 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_21| Int)) (or (not (= v_ArrVal_1697 (let ((.cse0 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 (select v_ArrVal_1697 .cse0))))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_1697) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_21|)) 1) (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_21|) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_21| 0))) is different from false [2023-11-29 01:36:44,988 INFO L349 Elim1Store]: treesize reduction 5, result has 78.3 percent of original size [2023-11-29 01:36:44,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2023-11-29 01:36:45,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:45,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2023-11-29 01:36:45,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 156 [2023-11-29 01:36:45,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:36:45,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2023-11-29 01:36:45,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:36:45,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:45,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2023-11-29 01:36:45,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:36:45,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-11-29 01:36:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 3 not checked. [2023-11-29 01:36:45,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207757494] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:45,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:45,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 43 [2023-11-29 01:36:45,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780187616] [2023-11-29 01:36:45,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:45,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-11-29 01:36:45,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:45,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-11-29 01:36:45,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1686, Unknown=5, NotChecked=82, Total=1892 [2023-11-29 01:36:45,869 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand has 44 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 37 states have internal predecessors, (72), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:36:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:47,467 INFO L93 Difference]: Finished difference Result 140 states and 159 transitions. [2023-11-29 01:36:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:36:47,468 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 37 states have internal predecessors, (72), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33 [2023-11-29 01:36:47,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:47,469 INFO L225 Difference]: With dead ends: 140 [2023-11-29 01:36:47,470 INFO L226 Difference]: Without dead ends: 140 [2023-11-29 01:36:47,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=206, Invalid=2549, Unknown=5, NotChecked=102, Total=2862 [2023-11-29 01:36:47,472 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 238 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 111 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:47,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 924 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1168 Invalid, 0 Unknown, 111 Unchecked, 1.0s Time] [2023-11-29 01:36:47,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-29 01:36:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 92. [2023-11-29 01:36:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.59375) internal successors, (102), 87 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 108 transitions. [2023-11-29 01:36:47,477 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 108 transitions. Word has length 33 [2023-11-29 01:36:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:47,478 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 108 transitions. [2023-11-29 01:36:47,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 37 states have internal predecessors, (72), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:36:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2023-11-29 01:36:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:36:47,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:47,479 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:47,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:36:47,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 01:36:47,679 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:47,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1577301812, now seen corresponding path program 1 times [2023-11-29 01:36:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:47,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580711900] [2023-11-29 01:36:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:47,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:48,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:48,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580711900] [2023-11-29 01:36:48,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580711900] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:48,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497618008] [2023-11-29 01:36:48,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:48,803 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:48,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:36:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:49,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-29 01:36:49,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:49,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:36:49,298 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 01:36:49,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-29 01:36:49,313 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:36:49,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:36:49,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:49,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:49,479 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:36:49,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 50 [2023-11-29 01:36:49,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:36:49,605 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:36:49,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 01:36:49,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:36:49,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:36:49,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-29 01:36:49,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:36:49,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-29 01:36:49,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:36:49,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:36:49,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2023-11-29 01:36:49,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:36:49,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:49,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 7 [2023-11-29 01:36:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:49,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:50,113 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (.cse1 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (and (forall ((v_ArrVal_1890 (Array Int Int))) (or (forall ((v_ArrVal_1892 Int)) (<= (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store .cse0 .cse1 v_ArrVal_1892)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 12) (select |c_#length| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_1890) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))) (not (= (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse1 (select v_ArrVal_1890 .cse1)) v_ArrVal_1890)))) (forall ((v_ArrVal_1892 Int)) (<= 0 (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store .cse0 .cse1 v_ArrVal_1892)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 8))))) is different from false [2023-11-29 01:36:50,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:50,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 44 [2023-11-29 01:36:50,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:50,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2023-11-29 01:36:50,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 108 [2023-11-29 01:36:50,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 670 treesize of output 634 [2023-11-29 01:36:50,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2023-11-29 01:36:50,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2023-11-29 01:36:50,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2023-11-29 01:36:50,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2023-11-29 01:36:50,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:50,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2023-11-29 01:36:50,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:36:50,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:36:50,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 01:36:50,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497618008] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:50,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:36:50,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 37 [2023-11-29 01:36:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864282648] [2023-11-29 01:36:50,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:50,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-29 01:36:50,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-29 01:36:50,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2121, Unknown=3, NotChecked=92, Total=2352 [2023-11-29 01:36:50,981 INFO L87 Difference]: Start difference. First operand 92 states and 108 transitions. Second operand has 38 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 32 states have internal predecessors, (57), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:36:52,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:52,359 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2023-11-29 01:36:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:36:52,359 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 32 states have internal predecessors, (57), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33 [2023-11-29 01:36:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:52,360 INFO L225 Difference]: With dead ends: 147 [2023-11-29 01:36:52,361 INFO L226 Difference]: Without dead ends: 147 [2023-11-29 01:36:52,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=243, Invalid=3298, Unknown=3, NotChecked=116, Total=3660 [2023-11-29 01:36:52,363 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 128 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:52,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1220 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:36:52,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-29 01:36:52,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 97. [2023-11-29 01:36:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 69 states have (on average 1.5942028985507246) internal successors, (110), 92 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 116 transitions. [2023-11-29 01:36:52,368 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 116 transitions. Word has length 33 [2023-11-29 01:36:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:52,368 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 116 transitions. [2023-11-29 01:36:52,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 32 states have internal predecessors, (57), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:36:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2023-11-29 01:36:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:36:52,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:52,369 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:52,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:52,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 01:36:52,571 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:52,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1575872002, now seen corresponding path program 1 times [2023-11-29 01:36:52,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:52,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368234831] [2023-11-29 01:36:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:52,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:52,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368234831] [2023-11-29 01:36:52,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368234831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:52,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:52,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:52,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406965760] [2023-11-29 01:36:52,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:52,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:52,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:52,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:52,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:52,700 INFO L87 Difference]: Start difference. First operand 97 states and 116 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:52,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:52,822 INFO L93 Difference]: Finished difference Result 123 states and 143 transitions. [2023-11-29 01:36:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:52,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-29 01:36:52,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:52,823 INFO L225 Difference]: With dead ends: 123 [2023-11-29 01:36:52,824 INFO L226 Difference]: Without dead ends: 123 [2023-11-29 01:36:52,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:52,824 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 59 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:52,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 190 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:52,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-29 01:36:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 100. [2023-11-29 01:36:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 72 states have (on average 1.6111111111111112) internal successors, (116), 95 states have internal predecessors, (116), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2023-11-29 01:36:52,828 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 33 [2023-11-29 01:36:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:52,828 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2023-11-29 01:36:52,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2023-11-29 01:36:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:36:52,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:52,829 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:52,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 01:36:52,830 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:52,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1575872003, now seen corresponding path program 1 times [2023-11-29 01:36:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:52,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780089433] [2023-11-29 01:36:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:52,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:52,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:52,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780089433] [2023-11-29 01:36:52,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780089433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:52,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460182612] [2023-11-29 01:36:52,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:52,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:52,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:36:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:53,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:36:53,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:53,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:53,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460182612] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:53,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:53,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2023-11-29 01:36:53,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800383729] [2023-11-29 01:36:53,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:53,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:36:53,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:53,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:36:53,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:36:53,256 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:36:53,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:53,355 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2023-11-29 01:36:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:53,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2023-11-29 01:36:53,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:53,356 INFO L225 Difference]: With dead ends: 119 [2023-11-29 01:36:53,356 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 01:36:53,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:36:53,357 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 109 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:53,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 254 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:53,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 01:36:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2023-11-29 01:36:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 84 states have (on average 1.630952380952381) internal successors, (137), 107 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:36:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2023-11-29 01:36:53,362 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 33 [2023-11-29 01:36:53,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:53,363 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2023-11-29 01:36:53,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:36:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2023-11-29 01:36:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 01:36:53,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:53,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:53,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:53,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:53,567 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:53,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash -142764124, now seen corresponding path program 1 times [2023-11-29 01:36:53,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:53,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959015470] [2023-11-29 01:36:53,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 01:36:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:36:53,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:53,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959015470] [2023-11-29 01:36:53,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959015470] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:53,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089042881] [2023-11-29 01:36:53,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:53,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:53,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:53,688 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:53,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:36:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:53,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:36:53,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:36:53,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:53,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089042881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:53,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:36:53,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-29 01:36:53,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790450612] [2023-11-29 01:36:53,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:53,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:36:53,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:53,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:53,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:53,931 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:53,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:53,964 INFO L93 Difference]: Finished difference Result 95 states and 122 transitions. [2023-11-29 01:36:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:53,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2023-11-29 01:36:53,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:53,966 INFO L225 Difference]: With dead ends: 95 [2023-11-29 01:36:53,966 INFO L226 Difference]: Without dead ends: 95 [2023-11-29 01:36:53,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:53,967 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 2 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:53,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 157 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:36:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-29 01:36:53,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-29 01:36:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 91 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions. [2023-11-29 01:36:53,971 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 34 [2023-11-29 01:36:53,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:53,971 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions. [2023-11-29 01:36:53,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:36:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2023-11-29 01:36:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 01:36:53,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:53,972 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:53,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:36:54,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:54,173 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:54,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:54,173 INFO L85 PathProgramCache]: Analyzing trace with hash -336217302, now seen corresponding path program 2 times [2023-11-29 01:36:54,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:54,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157132490] [2023-11-29 01:36:54,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157132490] [2023-11-29 01:36:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157132490] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:54,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901927796] [2023-11-29 01:36:54,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:36:54,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:54,296 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:54,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:36:54,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:36:54,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:54,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:36:54,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:36:54,586 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:36:54,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901927796] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:54,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:54,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2023-11-29 01:36:54,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780602222] [2023-11-29 01:36:54,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:54,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:36:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:54,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:36:54,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:54,623 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:36:54,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:54,741 INFO L93 Difference]: Finished difference Result 91 states and 106 transitions. [2023-11-29 01:36:54,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:36:54,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2023-11-29 01:36:54,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:54,742 INFO L225 Difference]: With dead ends: 91 [2023-11-29 01:36:54,742 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 01:36:54,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:36:54,743 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 92 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:54,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 217 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:54,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 01:36:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2023-11-29 01:36:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 64 states have (on average 1.5625) internal successors, (100), 80 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 104 transitions. [2023-11-29 01:36:54,747 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 104 transitions. Word has length 35 [2023-11-29 01:36:54,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:54,747 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 104 transitions. [2023-11-29 01:36:54,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:36:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2023-11-29 01:36:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 01:36:54,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:54,748 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:54,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:36:54,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:54,948 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:54,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:54,949 INFO L85 PathProgramCache]: Analyzing trace with hash 444031776, now seen corresponding path program 2 times [2023-11-29 01:36:54,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:54,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508164107] [2023-11-29 01:36:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:55,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:55,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508164107] [2023-11-29 01:36:55,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508164107] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:55,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102371480] [2023-11-29 01:36:55,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:36:55,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:55,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:55,050 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:55,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:36:55,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:36:55,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:55,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 01:36:55,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:36:55,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:55,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102371480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:55,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:36:55,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 13 [2023-11-29 01:36:55,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010341349] [2023-11-29 01:36:55,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:55,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:36:55,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:55,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:36:55,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:36:55,358 INFO L87 Difference]: Start difference. First operand 84 states and 104 transitions. Second operand has 9 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:55,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:55,513 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2023-11-29 01:36:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:36:55,513 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2023-11-29 01:36:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:55,514 INFO L225 Difference]: With dead ends: 84 [2023-11-29 01:36:55,514 INFO L226 Difference]: Without dead ends: 84 [2023-11-29 01:36:55,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:36:55,514 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 48 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:55,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 271 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:55,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-29 01:36:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-29 01:36:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 64 states have (on average 1.5) internal successors, (96), 80 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 100 transitions. [2023-11-29 01:36:55,517 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 100 transitions. Word has length 36 [2023-11-29 01:36:55,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:55,517 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 100 transitions. [2023-11-29 01:36:55,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-11-29 01:36:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 01:36:55,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:55,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:55,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:55,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 01:36:55,719 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:55,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1512927239, now seen corresponding path program 1 times [2023-11-29 01:36:55,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:55,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844618103] [2023-11-29 01:36:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:55,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 01:36:55,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:55,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844618103] [2023-11-29 01:36:55,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844618103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:55,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:55,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:55,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442535177] [2023-11-29 01:36:55,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:55,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:36:55,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:55,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:36:55,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:36:55,832 INFO L87 Difference]: Start difference. First operand 84 states and 100 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:55,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:55,908 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2023-11-29 01:36:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:36:55,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2023-11-29 01:36:55,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:55,909 INFO L225 Difference]: With dead ends: 83 [2023-11-29 01:36:55,909 INFO L226 Difference]: Without dead ends: 83 [2023-11-29 01:36:55,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:55,910 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 9 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:55,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 184 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:55,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-29 01:36:55,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-29 01:36:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 76 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2023-11-29 01:36:55,913 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 38 [2023-11-29 01:36:55,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:55,914 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2023-11-29 01:36:55,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-11-29 01:36:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 01:36:55,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:55,914 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:55,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:36:55,915 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:55,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1898486009, now seen corresponding path program 3 times [2023-11-29 01:36:55,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:55,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221373349] [2023-11-29 01:36:55,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:55,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:36:56,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:56,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221373349] [2023-11-29 01:36:56,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221373349] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:56,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415013750] [2023-11-29 01:36:56,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:36:56,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:56,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:56,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:56,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:36:56,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 01:36:56,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:56,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:36:56,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:36:56,689 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:56,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415013750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:56,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:36:56,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-11-29 01:36:56,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056684674] [2023-11-29 01:36:56,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:56,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:56,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:56,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:36:56,690 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:56,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:56,723 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2023-11-29 01:36:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:56,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2023-11-29 01:36:56,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:56,724 INFO L225 Difference]: With dead ends: 78 [2023-11-29 01:36:56,724 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 01:36:56,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:36:56,725 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 79 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:56,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 99 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:36:56,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 01:36:56,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2023-11-29 01:36:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 69 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2023-11-29 01:36:56,728 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 38 [2023-11-29 01:36:56,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:56,728 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2023-11-29 01:36:56,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2023-11-29 01:36:56,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 01:36:56,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:56,729 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:56,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 01:36:56,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 01:36:56,929 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:56,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash -345449652, now seen corresponding path program 1 times [2023-11-29 01:36:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348866221] [2023-11-29 01:36:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:56,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:57,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:57,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348866221] [2023-11-29 01:36:57,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348866221] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:57,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221238781] [2023-11-29 01:36:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:57,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:57,077 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:57,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:36:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:57,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:36:57,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:57,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:36:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:36:57,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221238781] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:36:57,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:36:57,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2023-11-29 01:36:57,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943853991] [2023-11-29 01:36:57,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:36:57,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:36:57,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:57,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:36:57,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:57,415 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:57,506 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2023-11-29 01:36:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:57,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2023-11-29 01:36:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:36:57,507 INFO L225 Difference]: With dead ends: 76 [2023-11-29 01:36:57,507 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 01:36:57,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:57,508 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 48 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:36:57,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 271 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:36:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 01:36:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2023-11-29 01:36:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 69 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:36:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2023-11-29 01:36:57,511 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 39 [2023-11-29 01:36:57,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:36:57,511 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2023-11-29 01:36:57,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:36:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-11-29 01:36:57,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 01:36:57,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:36:57,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:57,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 01:36:57,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-29 01:36:57,713 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:36:57,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:57,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2024786435, now seen corresponding path program 1 times [2023-11-29 01:36:57,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:57,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991816381] [2023-11-29 01:36:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:36:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:36:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:36:58,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:58,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991816381] [2023-11-29 01:36:58,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991816381] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:58,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049317493] [2023-11-29 01:36:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:58,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:58,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:58,879 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:58,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 01:36:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:59,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-29 01:36:59,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:59,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:36:59,383 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:36:59,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:36:59,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:59,521 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:36:59,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2023-11-29 01:36:59,619 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:36:59,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2023-11-29 01:36:59,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 01:36:59,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 01:36:59,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 01:36:59,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-29 01:36:59,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-29 01:37:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:37:00,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:00,222 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3475 (Array Int Int))) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int#1| (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_3475) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8)))) is different from false [2023-11-29 01:37:00,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:00,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2023-11-29 01:37:00,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:00,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49 [2023-11-29 01:37:00,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2023-11-29 01:37:00,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:00,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-29 01:37:00,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2023-11-29 01:37:00,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 01:37:00,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 01:37:00,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 01:37:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-11-29 01:37:01,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049317493] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:01,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:01,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 24] total 64 [2023-11-29 01:37:01,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545069042] [2023-11-29 01:37:01,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:01,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-11-29 01:37:01,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:01,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-11-29 01:37:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=3630, Unknown=67, NotChecked=122, Total=4032 [2023-11-29 01:37:01,065 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand has 64 states, 59 states have (on average 1.6779661016949152) internal successors, (99), 55 states have internal predecessors, (99), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:37:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:02,454 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2023-11-29 01:37:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 01:37:02,455 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 59 states have (on average 1.6779661016949152) internal successors, (99), 55 states have internal predecessors, (99), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 41 [2023-11-29 01:37:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:02,455 INFO L225 Difference]: With dead ends: 73 [2023-11-29 01:37:02,455 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 01:37:02,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=394, Invalid=5549, Unknown=67, NotChecked=152, Total=6162 [2023-11-29 01:37:02,458 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 167 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:02,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1150 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1124 Invalid, 0 Unknown, 69 Unchecked, 0.8s Time] [2023-11-29 01:37:02,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 01:37:02,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-29 01:37:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 69 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2023-11-29 01:37:02,460 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 41 [2023-11-29 01:37:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:02,460 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2023-11-29 01:37:02,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 59 states have (on average 1.6779661016949152) internal successors, (99), 55 states have internal predecessors, (99), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:37:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2023-11-29 01:37:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 01:37:02,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:02,461 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:02,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 01:37:02,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 01:37:02,661 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:02,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:02,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1759839686, now seen corresponding path program 1 times [2023-11-29 01:37:02,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:02,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037984506] [2023-11-29 01:37:02,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:02,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:37:03,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:03,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037984506] [2023-11-29 01:37:03,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037984506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:03,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369997843] [2023-11-29 01:37:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:03,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:03,755 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:03,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 01:37:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:04,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 81 conjunts are in the unsatisfiable core [2023-11-29 01:37:04,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:04,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:37:04,109 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:37:04,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:37:04,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:04,158 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:04,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2023-11-29 01:37:04,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 01:37:04,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-11-29 01:37:04,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:04,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 22 [2023-11-29 01:37:04,384 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:04,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 40 [2023-11-29 01:37:04,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2023-11-29 01:37:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:37:04,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:04,532 INFO L349 Elim1Store]: treesize reduction 5, result has 66.7 percent of original size [2023-11-29 01:37:04,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 01:37:04,580 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3676 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (= (select (select (store |c_#memory_$Pointer$#1.base| .cse0 v_ArrVal_3676) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) .cse0))) is different from false [2023-11-29 01:37:04,586 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3676 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (= (select (select (store |c_#memory_$Pointer$#1.base| .cse0 v_ArrVal_3676) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) .cse0))) is different from false [2023-11-29 01:37:04,595 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3675 (Array Int Int)) (v_ArrVal_3676 (Array Int Int))) (or (let ((.cse1 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_3675))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (= .cse0 (select (select (store .cse1 .cse0 v_ArrVal_3676) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))) (not (= (let ((.cse2 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse2 (select v_ArrVal_3675 .cse2))) v_ArrVal_3675)))) is different from false [2023-11-29 01:37:04,612 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3675 (Array Int Int)) (v_ArrVal_3676 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| |c_ULTIMATE.start_main_~s~0#1.offset|) (not (= (let ((.cse0 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| 8))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse0 (select v_ArrVal_3675 .cse0))) v_ArrVal_3675)) (let ((.cse1 (select v_ArrVal_3675 |c_ULTIMATE.start_main_~s~0#1.offset|))) (= (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_3675) .cse1 v_ArrVal_3676) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) .cse1)))) is different from false [2023-11-29 01:37:04,625 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3675 (Array Int Int)) (v_ArrVal_3676 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| Int)) (or (not (= (let ((.cse0 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| 8))) (store (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse0 (select v_ArrVal_3675 .cse0))) v_ArrVal_3675)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (let ((.cse1 (select v_ArrVal_3675 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (= .cse1 (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3675) .cse1 v_ArrVal_3676) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))))) is different from false [2023-11-29 01:37:04,638 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3672 (Array Int Int)) (v_ArrVal_3675 (Array Int Int)) (v_ArrVal_3676 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| Int)) (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3672))) (or (not (= v_ArrVal_3675 (let ((.cse1 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| 8))) (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 (select v_ArrVal_3675 .cse1))))) (let ((.cse2 (select v_ArrVal_3675 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (= .cse2 (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3675) .cse2 v_ArrVal_3676) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) is different from false [2023-11-29 01:37:04,661 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3672 (Array Int Int)) (v_ArrVal_3675 (Array Int Int)) (v_ArrVal_3676 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| Int)) (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3672))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= (let ((.cse1 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| 8))) (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 (select v_ArrVal_3675 .cse1))) v_ArrVal_3675)) (let ((.cse2 (select v_ArrVal_3675 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_3675) .cse2 v_ArrVal_3676) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) .cse2))))) is different from false [2023-11-29 01:37:04,676 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3671 (Array Int Int)) (v_ArrVal_3672 (Array Int Int)) (v_ArrVal_3675 (Array Int Int)) (v_ArrVal_3676 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| Int)) (let ((.cse0 (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3671) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3672))) (or (let ((.cse1 (select v_ArrVal_3675 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_3675) .cse1 v_ArrVal_3676) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) .cse1)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= v_ArrVal_3675 (let ((.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_42| 8))) (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse2 (select v_ArrVal_3675 .cse2)))))))) is different from false [2023-11-29 01:37:04,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 54 [2023-11-29 01:37:04,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 109 [2023-11-29 01:37:04,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 119 [2023-11-29 01:37:04,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 81 [2023-11-29 01:37:04,737 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 67 [2023-11-29 01:37:04,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 01:37:04,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 101 [2023-11-29 01:37:04,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,864 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:04,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 65 [2023-11-29 01:37:04,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:04,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 31 [2023-11-29 01:37:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 8 not checked. [2023-11-29 01:37:05,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369997843] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:05,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:05,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20, 22] total 47 [2023-11-29 01:37:05,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047768100] [2023-11-29 01:37:05,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:05,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-29 01:37:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-29 01:37:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1452, Unknown=14, NotChecked=664, Total=2256 [2023-11-29 01:37:05,293 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 48 states, 43 states have (on average 2.116279069767442) internal successors, (91), 41 states have internal predecessors, (91), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:37:06,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:06,521 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2023-11-29 01:37:06,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 01:37:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 43 states have (on average 2.116279069767442) internal successors, (91), 41 states have internal predecessors, (91), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2023-11-29 01:37:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:06,522 INFO L225 Difference]: With dead ends: 97 [2023-11-29 01:37:06,522 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 01:37:06,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 63 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=211, Invalid=2257, Unknown=14, NotChecked=824, Total=3306 [2023-11-29 01:37:06,523 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 128 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 742 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:06,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 877 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1096 Invalid, 0 Unknown, 742 Unchecked, 0.7s Time] [2023-11-29 01:37:06,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 01:37:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 76. [2023-11-29 01:37:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 72 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions. [2023-11-29 01:37:06,525 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 44 [2023-11-29 01:37:06,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:06,526 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions. [2023-11-29 01:37:06,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 43 states have (on average 2.116279069767442) internal successors, (91), 41 states have internal predecessors, (91), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:37:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2023-11-29 01:37:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 01:37:06,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:06,526 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:06,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 01:37:06,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 01:37:06,727 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:06,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:06,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1759839687, now seen corresponding path program 1 times [2023-11-29 01:37:06,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:06,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238154619] [2023-11-29 01:37:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:37:08,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:08,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238154619] [2023-11-29 01:37:08,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238154619] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:08,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932194666] [2023-11-29 01:37:08,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:08,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:08,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:08,035 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:08,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 01:37:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:08,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 102 conjunts are in the unsatisfiable core [2023-11-29 01:37:08,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:08,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:37:08,600 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:37:08,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:37:08,616 WARN L854 $PredicateComparison]: unable to prove that (and (or (exists ((|v_#length_BEFORE_CALL_6| (Array Int Int))) (let ((.cse0 (@diff |v_#length_BEFORE_CALL_6| |c_#length|))) (and (= |c_#length| (store |v_#length_BEFORE_CALL_6| .cse0 (select |c_#length| .cse0))) (= .cse0 |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) (<= 12 (select |v_#length_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (< 11 (select |c_#length| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|)) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.offset| 0)) is different from false [2023-11-29 01:37:08,619 WARN L876 $PredicateComparison]: unable to prove that (and (or (exists ((|v_#length_BEFORE_CALL_6| (Array Int Int))) (let ((.cse0 (@diff |v_#length_BEFORE_CALL_6| |c_#length|))) (and (= |c_#length| (store |v_#length_BEFORE_CALL_6| .cse0 (select |c_#length| .cse0))) (= .cse0 |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) (<= 12 (select |v_#length_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (< 11 (select |c_#length| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|)) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.offset| 0)) is different from true [2023-11-29 01:37:08,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:08,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:08,762 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:08,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 50 [2023-11-29 01:37:08,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:37:08,917 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:08,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 01:37:08,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:37:08,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-29 01:37:08,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 01:37:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:09,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-29 01:37:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:09,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 01:37:09,291 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:09,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 01:37:09,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:37:09,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:37:09,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:37:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:37:09,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:14,241 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|)) (.cse3 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base|))) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_DerPreprocessor_8 Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3881 Int)) (let ((.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse0 (store .cse3 .cse2 v_ArrVal_3881))) (or (< 0 (+ (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base| .cse0) (select (store .cse1 .cse2 v_DerPreprocessor_8) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_3884) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 9)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_main_~s~0#1.offset|) (< (+ 8 (select .cse0 |c_ULTIMATE.start_main_~s~0#1.offset|)) 0))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int)) (or (forall ((v_ArrVal_3881 Int)) (let ((.cse6 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse4 (store .cse3 .cse6 v_ArrVal_3881))) (or (< (+ 8 (select .cse4 |c_ULTIMATE.start_main_~s~0#1.offset|)) 0) (forall ((v_ArrVal_3883 (Array Int Int))) (or (forall ((v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3885 (Array Int Int))) (let ((.cse5 (select v_ArrVal_3883 |c_ULTIMATE.start_main_~s~0#1.offset|))) (<= (+ (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base| .cse4) .cse5 v_ArrVal_3884) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 12) (select |c_#length| (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_3883) .cse5 v_ArrVal_3885) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))))) (not (= (store .cse1 .cse6 (select v_ArrVal_3883 .cse6)) v_ArrVal_3883)))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_main_~s~0#1.offset|))))) is different from false [2023-11-29 01:37:14,300 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse5 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse3 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (and (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_3883 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3885 (Array Int Int)) (v_ArrVal_3881 Int)) (let ((.cse4 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse0 (store (store .cse5 .cse3 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse4 v_ArrVal_3881))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (let ((.cse1 (select v_ArrVal_3883 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (< (+ (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse0) .cse1 v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 11) (select |c_#length| (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3883) .cse1 v_ArrVal_3885) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) (< (+ (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 8) 0) (not (= v_ArrVal_3883 (store (store .cse2 .cse3 (select v_ArrVal_3883 .cse3)) .cse4 (select v_ArrVal_3883 .cse4)))))))) (forall ((v_ArrVal_3878 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_DerPreprocessor_8 Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3881 Int)) (let ((.cse7 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse6 (store (store .cse5 .cse3 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse7 v_ArrVal_3881))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (< (+ (select .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 8) 0) (< 0 (+ (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse6) (select (store (store .cse2 .cse3 v_ArrVal_3878) .cse7 v_DerPreprocessor_8) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 9)))))))) is different from false [2023-11-29 01:37:14,354 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (and (forall ((v_ArrVal_3878 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_DerPreprocessor_8 Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3876 (Array Int Int)) (v_ArrVal_3881 Int) (v_ArrVal_3877 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3877)) (.cse3 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse1 (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse2 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse3 v_ArrVal_3881))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (< 0 (+ 9 (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse1) (select (store (store (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3876) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse2 v_ArrVal_3878) .cse3 v_DerPreprocessor_8) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (< (+ (select .cse1 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 8) 0))))) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_3883 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3885 (Array Int Int)) (v_ArrVal_3876 (Array Int Int)) (v_ArrVal_3881 Int) (v_ArrVal_3877 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3877)) (.cse8 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse5 (store (store (select .cse4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse2 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse8 v_ArrVal_3881)) (.cse7 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3876))) (or (let ((.cse6 (select v_ArrVal_3883 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (< (+ (select (select (store (store .cse4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse5) .cse6 v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 11) (select |c_#length| (select (select (store (store .cse7 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3883) .cse6 v_ArrVal_3885) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (< (+ (select .cse5 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 8) 0) (not (= (store (store (select .cse7 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse2 (select v_ArrVal_3883 .cse2)) .cse8 (select v_ArrVal_3883 .cse8)) v_ArrVal_3883)))))))) is different from false [2023-11-29 01:37:14,448 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (and (forall ((v_ArrVal_3878 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_DerPreprocessor_8 Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3876 (Array Int Int)) (v_ArrVal_3881 Int) (v_ArrVal_3877 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3877)) (.cse3 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse1 (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse3 v_ArrVal_3881))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (< 0 (+ (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| .cse1) (select (store (store (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3876) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2 v_ArrVal_3878) .cse3 v_DerPreprocessor_8) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 9)) (< (+ (select .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 8) 0))))) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_3883 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3885 (Array Int Int)) (v_ArrVal_3876 (Array Int Int)) (v_ArrVal_3881 Int) (v_ArrVal_3877 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3877)) (.cse5 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse6 (store (store (select .cse7 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse5 v_ArrVal_3881)) (.cse4 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3876))) (or (not (= (store (store (select .cse4 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2 (select v_ArrVal_3883 .cse2)) .cse5 (select v_ArrVal_3883 .cse5)) v_ArrVal_3883)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (< (+ (select .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 8) 0) (let ((.cse8 (select v_ArrVal_3883 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (< (+ (select (select (store (store .cse7 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| .cse6) .cse8 v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 11) (select |c_#length| (select (select (store (store .cse4 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_3883) .cse8 v_ArrVal_3885) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))))))) is different from false [2023-11-29 01:37:14,506 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (and (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_3883 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3874 (Array Int Int)) (v_ArrVal_3885 (Array Int Int)) (v_ArrVal_3875 (Array Int Int)) (v_ArrVal_3876 (Array Int Int)) (v_ArrVal_3881 Int) (v_ArrVal_3877 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3875) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3877)) (.cse5 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse3 (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3874) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3876)) (.cse1 (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse5 v_ArrVal_3881))) (or (let ((.cse2 (select v_ArrVal_3883 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (< (+ (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| .cse1) .cse2 v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 11) (select |c_#length| (select (select (store (store .cse3 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_3883) .cse2 v_ArrVal_3885) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= v_ArrVal_3883 (store (store (select .cse3 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 (select v_ArrVal_3883 .cse4)) .cse5 (select v_ArrVal_3883 .cse5)))) (< (+ (select .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 8) 0))))) (forall ((v_ArrVal_3878 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| Int) (v_DerPreprocessor_8 Int) (v_ArrVal_3884 (Array Int Int)) (v_ArrVal_3874 (Array Int Int)) (v_ArrVal_3875 (Array Int Int)) (v_ArrVal_3876 (Array Int Int)) (v_ArrVal_3881 Int) (v_ArrVal_3877 (Array Int Int))) (let ((.cse6 (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3875) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3877)) (.cse8 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| 8))) (let ((.cse7 (store (store (select .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse8 v_ArrVal_3881))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_48| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (< 0 (+ (select (select (store (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| .cse7) (select (store (store (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_3874) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_3876) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 v_ArrVal_3878) .cse8 v_DerPreprocessor_8) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_3884) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 9)) (< (+ (select .cse7 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) 8) 0))))))) is different from false [2023-11-29 01:37:14,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:14,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 119 [2023-11-29 01:37:14,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 595 treesize of output 585 [2023-11-29 01:37:14,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:14,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 342 treesize of output 342 [2023-11-29 01:37:14,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 151 [2023-11-29 01:37:14,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 123 [2023-11-29 01:37:14,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 98 [2023-11-29 01:37:14,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1569 treesize of output 1539 [2023-11-29 01:37:14,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 362 treesize of output 354 [2023-11-29 01:37:14,738 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,739 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 266 [2023-11-29 01:37:14,754 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,755 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 139 [2023-11-29 01:37:14,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2023-11-29 01:37:14,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2023-11-29 01:37:14,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:14,889 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:37:14,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 1 [2023-11-29 01:37:15,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932194666] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:15,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:37:15,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 40 [2023-11-29 01:37:15,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384973007] [2023-11-29 01:37:15,424 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:15,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-29 01:37:15,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-29 01:37:15,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2295, Unknown=8, NotChecked=606, Total=3080 [2023-11-29 01:37:15,427 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand has 41 states, 37 states have (on average 2.027027027027027) internal successors, (75), 35 states have internal predecessors, (75), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:37:15,854 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#length| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (and (or (exists ((|v_#length_BEFORE_CALL_6| (Array Int Int))) (let ((.cse0 (@diff |v_#length_BEFORE_CALL_6| |c_#length|))) (and (= |c_#length| (store |v_#length_BEFORE_CALL_6| .cse0 (select |c_#length| .cse0))) (= .cse0 |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) (<= 12 (select |v_#length_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (< 11 .cse1)) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|)) (= .cse1 12) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.offset| 0))) is different from false [2023-11-29 01:37:15,857 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#length| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (and (or (exists ((|v_#length_BEFORE_CALL_6| (Array Int Int))) (let ((.cse0 (@diff |v_#length_BEFORE_CALL_6| |c_#length|))) (and (= |c_#length| (store |v_#length_BEFORE_CALL_6| .cse0 (select |c_#length| .cse0))) (= .cse0 |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) (<= 12 (select |v_#length_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (< 11 .cse1)) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|)) (= .cse1 12) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.offset| 0))) is different from true [2023-11-29 01:37:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:17,324 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2023-11-29 01:37:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 01:37:17,325 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 37 states have (on average 2.027027027027027) internal successors, (75), 35 states have internal predecessors, (75), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2023-11-29 01:37:17,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:17,326 INFO L225 Difference]: With dead ends: 76 [2023-11-29 01:37:17,326 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 01:37:17,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=272, Invalid=3286, Unknown=10, NotChecked=854, Total=4422 [2023-11-29 01:37:17,328 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 147 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 112 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:17,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 996 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 980 Invalid, 0 Unknown, 112 Unchecked, 1.1s Time] [2023-11-29 01:37:17,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 01:37:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2023-11-29 01:37:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2023-11-29 01:37:17,330 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 44 [2023-11-29 01:37:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:17,330 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2023-11-29 01:37:17,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 37 states have (on average 2.027027027027027) internal successors, (75), 35 states have internal predecessors, (75), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:37:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2023-11-29 01:37:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 01:37:17,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:17,331 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:17,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 01:37:17,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 01:37:17,532 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:17,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1281098387, now seen corresponding path program 1 times [2023-11-29 01:37:17,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:17,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682183139] [2023-11-29 01:37:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 01:37:17,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:17,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682183139] [2023-11-29 01:37:17,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682183139] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:17,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503408536] [2023-11-29 01:37:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:17,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:17,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:17,655 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:17,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 01:37:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:17,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:37:17,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 01:37:17,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 01:37:17,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503408536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:18,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:18,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2023-11-29 01:37:18,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933060450] [2023-11-29 01:37:18,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:18,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:37:18,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:18,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:37:18,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:37:18,001 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:18,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:18,136 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2023-11-29 01:37:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:37:18,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2023-11-29 01:37:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:18,137 INFO L225 Difference]: With dead ends: 75 [2023-11-29 01:37:18,138 INFO L226 Difference]: Without dead ends: 75 [2023-11-29 01:37:18,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:37:18,138 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 92 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:18,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 179 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:37:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-29 01:37:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-29 01:37:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 71 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2023-11-29 01:37:18,142 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 45 [2023-11-29 01:37:18,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:18,142 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2023-11-29 01:37:18,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-29 01:37:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 01:37:18,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:18,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:18,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 01:37:18,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:18,344 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:18,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:18,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1011022610, now seen corresponding path program 2 times [2023-11-29 01:37:18,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:18,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93148506] [2023-11-29 01:37:18,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:18,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 01:37:18,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:18,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93148506] [2023-11-29 01:37:18,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93148506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:18,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866225347] [2023-11-29 01:37:18,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:37:18,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:18,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:18,511 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:18,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 01:37:18,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:37:18,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:37:18,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:37:18,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 01:37:18,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 01:37:18,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866225347] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:18,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:18,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2023-11-29 01:37:18,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301328994] [2023-11-29 01:37:18,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:18,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:37:18,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:18,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:37:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:37:18,962 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:37:19,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:19,144 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2023-11-29 01:37:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:37:19,147 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2023-11-29 01:37:19,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:19,148 INFO L225 Difference]: With dead ends: 67 [2023-11-29 01:37:19,148 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 01:37:19,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:37:19,149 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 49 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:19,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 203 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:37:19,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 01:37:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 01:37:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.25) internal successors, (65), 63 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2023-11-29 01:37:19,151 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 46 [2023-11-29 01:37:19,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:19,151 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2023-11-29 01:37:19,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:37:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2023-11-29 01:37:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 01:37:19,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:19,152 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:19,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 01:37:19,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:19,353 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:19,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:19,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1278483643, now seen corresponding path program 1 times [2023-11-29 01:37:19,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:19,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152845365] [2023-11-29 01:37:19,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:19,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:37:21,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:21,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152845365] [2023-11-29 01:37:21,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152845365] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:21,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163040066] [2023-11-29 01:37:21,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:21,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:21,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:21,322 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:21,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 01:37:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:21,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-29 01:37:21,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:21,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:37:22,039 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:37:22,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:37:22,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:22,269 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:22,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2023-11-29 01:37:22,417 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:22,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2023-11-29 01:37:22,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 01:37:22,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:22,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 01:37:23,047 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:23,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 59 [2023-11-29 01:37:23,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-29 01:37:23,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2023-11-29 01:37:23,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-11-29 01:37:23,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-29 01:37:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:37:23,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:24,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2023-11-29 01:37:24,132 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_4474 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_4474) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (= |c_ULTIMATE.start_dll_circular_update_at_~data#1| (+ |c_ULTIMATE.start_main_~len~0#1| 1)) (forall ((v_ArrVal_4472 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_4472) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) is different from false [2023-11-29 01:37:24,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:24,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2023-11-29 01:37:24,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-29 01:37:24,409 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_4471 (Array Int Int))) (or (not (= (let ((.cse0 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 (select v_ArrVal_4471 .cse0))) v_ArrVal_4471)) (not (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_4471) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_main_~s~0#1.base|)))) (= |c_ULTIMATE.start_main_~i~0#1| 0)) is different from false [2023-11-29 01:37:24,766 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4470 Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_57| Int) (v_DerPreprocessor_12 Int) (v_ArrVal_4468 (Array Int Int))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_57| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= (select (store (store (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_4468) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_4470) (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_57| 8) v_DerPreprocessor_12) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) is different from false [2023-11-29 01:37:25,285 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:25,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2023-11-29 01:37:25,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 101 [2023-11-29 01:37:25,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:25,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2023-11-29 01:37:25,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:25,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2023-11-29 01:37:25,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:25,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2023-11-29 01:37:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-11-29 01:37:26,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163040066] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:26,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:26,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 26] total 73 [2023-11-29 01:37:26,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293874743] [2023-11-29 01:37:26,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:26,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-11-29 01:37:26,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:26,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-11-29 01:37:26,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=4597, Unknown=19, NotChecked=414, Total=5256 [2023-11-29 01:37:26,203 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand has 73 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 64 states have internal predecessors, (119), 5 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:37:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:29,749 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2023-11-29 01:37:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 01:37:29,750 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 64 states have internal predecessors, (119), 5 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 47 [2023-11-29 01:37:29,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:29,751 INFO L225 Difference]: With dead ends: 64 [2023-11-29 01:37:29,751 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 01:37:29,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1419 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=441, Invalid=7562, Unknown=19, NotChecked=534, Total=8556 [2023-11-29 01:37:29,754 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 139 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 184 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:29,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1290 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1384 Invalid, 0 Unknown, 184 Unchecked, 1.6s Time] [2023-11-29 01:37:29,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 01:37:29,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-29 01:37:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.24) internal successors, (62), 60 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2023-11-29 01:37:29,757 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 47 [2023-11-29 01:37:29,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:29,757 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2023-11-29 01:37:29,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 64 states have internal predecessors, (119), 5 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:37:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2023-11-29 01:37:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 01:37:29,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:29,758 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:29,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 01:37:29,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:29,958 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:29,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:29,959 INFO L85 PathProgramCache]: Analyzing trace with hash -266435737, now seen corresponding path program 1 times [2023-11-29 01:37:29,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:29,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201229647] [2023-11-29 01:37:29,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:29,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 01:37:30,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201229647] [2023-11-29 01:37:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201229647] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327646898] [2023-11-29 01:37:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:30,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:30,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:30,081 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:30,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 01:37:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:30,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 01:37:30,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:30,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:37:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:37:30,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:37:30,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327646898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:37:30,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:37:30,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 10 [2023-11-29 01:37:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126520104] [2023-11-29 01:37:30,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:37:30,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:37:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:30,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:37:30,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:37:30,475 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:30,735 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2023-11-29 01:37:30,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:37:30,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2023-11-29 01:37:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:30,736 INFO L225 Difference]: With dead ends: 81 [2023-11-29 01:37:30,736 INFO L226 Difference]: Without dead ends: 81 [2023-11-29 01:37:30,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:37:30,737 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 39 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:30,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 164 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:37:30,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-29 01:37:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 67. [2023-11-29 01:37:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 63 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2023-11-29 01:37:30,740 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 49 [2023-11-29 01:37:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:30,740 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2023-11-29 01:37:30,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-29 01:37:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 01:37:30,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:30,741 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:30,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-29 01:37:30,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-11-29 01:37:30,942 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:30,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:30,942 INFO L85 PathProgramCache]: Analyzing trace with hash -266435736, now seen corresponding path program 1 times [2023-11-29 01:37:30,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:30,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638375386] [2023-11-29 01:37:30,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:30,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:37:31,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:31,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638375386] [2023-11-29 01:37:31,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638375386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:37:31,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:37:31,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:37:31,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319504660] [2023-11-29 01:37:31,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:37:31,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:37:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:31,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:37:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:37:31,284 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 10 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:31,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:31,603 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2023-11-29 01:37:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:37:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2023-11-29 01:37:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:31,604 INFO L225 Difference]: With dead ends: 65 [2023-11-29 01:37:31,604 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 01:37:31,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:37:31,605 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 41 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:31,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 166 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:37:31,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 01:37:31,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:37:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 61 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2023-11-29 01:37:31,608 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 49 [2023-11-29 01:37:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:31,608 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2023-11-29 01:37:31,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-29 01:37:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-29 01:37:31,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:31,609 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:31,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 01:37:31,609 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:31,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:31,610 INFO L85 PathProgramCache]: Analyzing trace with hash 330460641, now seen corresponding path program 1 times [2023-11-29 01:37:31,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:31,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995086198] [2023-11-29 01:37:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:37:31,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:31,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995086198] [2023-11-29 01:37:31,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995086198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:37:31,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:37:31,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:37:31,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110281782] [2023-11-29 01:37:31,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:37:31,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:37:31,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:31,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:37:31,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:37:31,799 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:32,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:32,038 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2023-11-29 01:37:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:37:32,038 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2023-11-29 01:37:32,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:32,039 INFO L225 Difference]: With dead ends: 65 [2023-11-29 01:37:32,039 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 01:37:32,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:37:32,040 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 40 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:32,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 194 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:37:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 01:37:32,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:37:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 61 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:32,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2023-11-29 01:37:32,043 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 50 [2023-11-29 01:37:32,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:32,043 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2023-11-29 01:37:32,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2023-11-29 01:37:32,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 01:37:32,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:32,044 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:32,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 01:37:32,045 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:32,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:32,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1653380414, now seen corresponding path program 1 times [2023-11-29 01:37:32,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:32,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92414972] [2023-11-29 01:37:32,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:32,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 01:37:32,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:32,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92414972] [2023-11-29 01:37:32,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92414972] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:32,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527596481] [2023-11-29 01:37:32,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:32,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:32,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:32,241 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:32,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 01:37:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:32,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 01:37:32,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:32,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 01:37:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:37:32,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:33,012 INFO L349 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-11-29 01:37:33,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-29 01:37:33,079 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2023-11-29 01:37:33,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:37:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 01:37:33,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527596481] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:33,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:33,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 6] total 21 [2023-11-29 01:37:33,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112597392] [2023-11-29 01:37:33,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:33,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 01:37:33,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:33,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 01:37:33,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-11-29 01:37:33,178 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 22 states, 20 states have (on average 4.2) internal successors, (84), 20 states have internal predecessors, (84), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 01:37:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:33,771 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2023-11-29 01:37:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:37:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.2) internal successors, (84), 20 states have internal predecessors, (84), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2023-11-29 01:37:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:33,773 INFO L225 Difference]: With dead ends: 72 [2023-11-29 01:37:33,773 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 01:37:33,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2023-11-29 01:37:33,773 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 76 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:33,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 338 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:37:33,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 01:37:33,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2023-11-29 01:37:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 61 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2023-11-29 01:37:33,776 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 51 [2023-11-29 01:37:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:33,777 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2023-11-29 01:37:33,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.2) internal successors, (84), 20 states have internal predecessors, (84), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 01:37:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-29 01:37:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 01:37:33,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:33,777 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:33,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 01:37:33,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-11-29 01:37:33,978 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:33,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1653380415, now seen corresponding path program 1 times [2023-11-29 01:37:33,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:33,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107744615] [2023-11-29 01:37:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:33,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:35,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:37:35,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:35,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107744615] [2023-11-29 01:37:35,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107744615] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:35,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705972502] [2023-11-29 01:37:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:35,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:35,293 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:35,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 01:37:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:35,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-29 01:37:35,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:35,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:37:35,742 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:37:35,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:37:35,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:35,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:35,946 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:35,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 43 [2023-11-29 01:37:35,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:37:36,099 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 01:37:36,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-29 01:37:36,120 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-29 01:37:36,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2023-11-29 01:37:36,202 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-29 01:37:36,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 17 [2023-11-29 01:37:36,221 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-11-29 01:37:36,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2023-11-29 01:37:36,562 INFO L349 Elim1Store]: treesize reduction 42, result has 48.1 percent of original size [2023-11-29 01:37:36,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 71 [2023-11-29 01:37:36,587 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-29 01:37:36,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 42 [2023-11-29 01:37:37,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:37,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 69 [2023-11-29 01:37:37,169 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 01:37:37,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 44 [2023-11-29 01:37:37,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 01:37:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:37:37,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:38,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:38,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35 [2023-11-29 01:37:38,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:38,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2023-11-29 01:37:39,339 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_13 Int) (|v_ULTIMATE.start_main_~s~0#1.offset_23| Int) (v_ArrVal_5299 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_61| Int) (v_ArrVal_5291 (Array Int Int)) (v_ArrVal_5298 Int) (v_ArrVal_5292 (Array Int Int))) (or (< 0 (+ (select (select (let ((.cse1 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_61| 8))) (store (let ((.cse0 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_5291))) (store .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse1 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) .cse2 v_ArrVal_5298))) (select (store (store (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_5292) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse1 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse2 v_DerPreprocessor_13) |v_ULTIMATE.start_main_~s~0#1.offset_23|) v_ArrVal_5299)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |v_ULTIMATE.start_main_~s~0#1.offset_23|) 1)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_61| |v_ULTIMATE.start_main_~s~0#1.offset_23|) (< |v_ULTIMATE.start_main_~s~0#1.offset_23| 0) (< |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| |v_ULTIMATE.start_main_~s~0#1.offset_23|))) is different from false [2023-11-29 01:37:40,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:40,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 106 [2023-11-29 01:37:40,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 130 [2023-11-29 01:37:40,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:40,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 153 [2023-11-29 01:37:40,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 103 [2023-11-29 01:37:40,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:40,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 104 [2023-11-29 01:37:40,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 01:37:40,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 239 [2023-11-29 01:37:40,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 185 [2023-11-29 01:37:40,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:40,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 173 [2023-11-29 01:37:40,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:40,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 137 [2023-11-29 01:37:40,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2023-11-29 01:37:40,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705972502] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:40,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:37:40,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 43 [2023-11-29 01:37:40,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707653259] [2023-11-29 01:37:40,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:40,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-11-29 01:37:40,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:40,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-11-29 01:37:40,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=3384, Unknown=68, NotChecked=118, Total=3782 [2023-11-29 01:37:40,642 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand has 44 states, 41 states have (on average 2.1219512195121952) internal successors, (87), 39 states have internal predecessors, (87), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:37:42,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:42,902 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2023-11-29 01:37:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 01:37:42,903 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 41 states have (on average 2.1219512195121952) internal successors, (87), 39 states have internal predecessors, (87), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2023-11-29 01:37:42,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:42,903 INFO L225 Difference]: With dead ends: 70 [2023-11-29 01:37:42,903 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 01:37:42,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=382, Invalid=4955, Unknown=69, NotChecked=144, Total=5550 [2023-11-29 01:37:42,905 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 301 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:42,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 447 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 01:37:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 01:37:42,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2023-11-29 01:37:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 62 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2023-11-29 01:37:42,908 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 51 [2023-11-29 01:37:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:42,908 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2023-11-29 01:37:42,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 41 states have (on average 2.1219512195121952) internal successors, (87), 39 states have internal predecessors, (87), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:37:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2023-11-29 01:37:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 01:37:42,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:42,909 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:42,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 01:37:43,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-11-29 01:37:43,109 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:43,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:43,110 INFO L85 PathProgramCache]: Analyzing trace with hash -284816089, now seen corresponding path program 1 times [2023-11-29 01:37:43,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:43,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002836114] [2023-11-29 01:37:43,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:43,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:37:43,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:43,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002836114] [2023-11-29 01:37:43,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002836114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:37:43,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:37:43,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:37:43,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458262805] [2023-11-29 01:37:43,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:37:43,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:37:43,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:43,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:37:43,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:37:43,333 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:43,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:43,638 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2023-11-29 01:37:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:37:43,638 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 52 [2023-11-29 01:37:43,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:43,639 INFO L225 Difference]: With dead ends: 65 [2023-11-29 01:37:43,639 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 01:37:43,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:37:43,640 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:43,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 161 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:37:43,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 01:37:43,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:37:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 56 states have (on average 1.125) internal successors, (63), 61 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2023-11-29 01:37:43,642 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 52 [2023-11-29 01:37:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:43,643 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2023-11-29 01:37:43,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:37:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2023-11-29 01:37:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 01:37:43,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:43,643 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:43,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 01:37:43,644 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:43,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash -239258628, now seen corresponding path program 1 times [2023-11-29 01:37:43,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:43,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191802592] [2023-11-29 01:37:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:37:44,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:44,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191802592] [2023-11-29 01:37:44,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191802592] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:44,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466204328] [2023-11-29 01:37:44,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:44,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:44,878 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:44,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 01:37:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:45,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-29 01:37:45,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:45,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:37:45,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 01:37:45,316 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:37:45,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:37:45,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:45,495 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:45,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2023-11-29 01:37:45,635 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:45,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 01:37:45,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-29 01:37:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:45,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-29 01:37:45,927 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:45,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 01:37:46,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:37:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:37:46,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:46,461 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5615 (Array Int Int))) (< (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_5615) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_#StackHeapBarrier|)) is different from false [2023-11-29 01:37:46,734 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5615 (Array Int Int)) (v_ArrVal_5614 (Array Int Int))) (or (not (= (let ((.cse0 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 (select v_ArrVal_5614 .cse0))) v_ArrVal_5614)) (< (select (select (let ((.cse1 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_5614))) (store .cse1 (select (select .cse1 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_5615)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_#StackHeapBarrier|))) is different from false [2023-11-29 01:37:46,758 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5615 (Array Int Int)) (v_ArrVal_5614 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| |c_ULTIMATE.start_main_~s~0#1.offset|) (< (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_5614) (select v_ArrVal_5614 |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_5615) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_#StackHeapBarrier|) (not (= v_ArrVal_5614 (let ((.cse0 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| 8))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse0 (select v_ArrVal_5614 .cse0))))))) is different from false [2023-11-29 01:37:46,776 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5615 (Array Int Int)) (v_ArrVal_5614 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (< (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_5614) (select v_ArrVal_5614 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_5615) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_#StackHeapBarrier|) (not (= v_ArrVal_5614 (let ((.cse1 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| 8))) (store (let ((.cse0 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse0 (select v_ArrVal_5614 .cse0))) .cse1 (select v_ArrVal_5614 .cse1))))))) is different from false [2023-11-29 01:37:46,793 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5611 (Array Int Int)) (v_ArrVal_5615 (Array Int Int)) (v_ArrVal_5614 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| Int)) (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_5611))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (< (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_5614) (select v_ArrVal_5614 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_5615) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_#StackHeapBarrier|) (not (= (let ((.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| 8))) (store (let ((.cse1 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) .cse1 (select v_ArrVal_5614 .cse1))) .cse2 (select v_ArrVal_5614 .cse2))) v_ArrVal_5614))))) is different from false [2023-11-29 01:37:46,825 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5611 (Array Int Int)) (v_ArrVal_5615 (Array Int Int)) (v_ArrVal_5614 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| Int)) (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_5611))) (or (not (= (let ((.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| 8))) (store (let ((.cse1 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse1 (select v_ArrVal_5614 .cse1))) .cse2 (select v_ArrVal_5614 .cse2))) v_ArrVal_5614)) (< (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_5614) (select v_ArrVal_5614 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_5615) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_#StackHeapBarrier|) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) is different from false [2023-11-29 01:37:46,843 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5611 (Array Int Int)) (v_ArrVal_5610 (Array Int Int)) (v_ArrVal_5615 (Array Int Int)) (v_ArrVal_5614 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| Int)) (let ((.cse0 (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_5610) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_5611))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_5614) (select v_ArrVal_5614 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_5615) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_#StackHeapBarrier|) (not (= v_ArrVal_5614 (let ((.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| 8))) (store (let ((.cse1 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse1 (select v_ArrVal_5614 .cse1))) .cse2 (select v_ArrVal_5614 .cse2))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_65| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) is different from false [2023-11-29 01:37:46,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:46,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2023-11-29 01:37:46,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 253 [2023-11-29 01:37:46,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:46,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:46,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:46,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 135 [2023-11-29 01:37:46,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:46,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:46,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 107 [2023-11-29 01:37:46,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:46,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:46,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 71 [2023-11-29 01:37:46,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-29 01:37:46,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:46,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-29 01:37:47,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:47,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-29 01:37:47,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:47,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-29 01:37:47,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:47,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:47,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2023-11-29 01:37:47,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:47,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:47,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2023-11-29 01:37:47,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2023-11-29 01:37:47,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466204328] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:47,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:37:47,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22] total 35 [2023-11-29 01:37:47,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801659069] [2023-11-29 01:37:47,343 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:47,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-29 01:37:47,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:47,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-29 01:37:47,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1556, Unknown=37, NotChecked=602, Total=2352 [2023-11-29 01:37:47,344 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand has 36 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 32 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:48,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:37:48,575 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2023-11-29 01:37:48,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 01:37:48,576 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 32 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 53 [2023-11-29 01:37:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:37:48,577 INFO L225 Difference]: With dead ends: 67 [2023-11-29 01:37:48,577 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 01:37:48,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=213, Invalid=2033, Unknown=38, NotChecked=686, Total=2970 [2023-11-29 01:37:48,578 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 91 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:37:48,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 385 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 01:37:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 01:37:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2023-11-29 01:37:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 62 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2023-11-29 01:37:48,580 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 53 [2023-11-29 01:37:48,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:37:48,580 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2023-11-29 01:37:48,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 32 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:37:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2023-11-29 01:37:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 01:37:48,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:37:48,581 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:37:48,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 01:37:48,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-29 01:37:48,782 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:37:48,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:37:48,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1899449372, now seen corresponding path program 1 times [2023-11-29 01:37:48,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:37:48,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067852219] [2023-11-29 01:37:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:37:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:37:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:37:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:37:49,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:37:49,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067852219] [2023-11-29 01:37:49,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067852219] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:37:49,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208350529] [2023-11-29 01:37:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:37:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:37:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:37:49,785 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:37:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 01:37:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:37:50,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 86 conjunts are in the unsatisfiable core [2023-11-29 01:37:50,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:37:50,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:37:50,744 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:50,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 48 [2023-11-29 01:37:50,918 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-29 01:37:50,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2023-11-29 01:37:50,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2023-11-29 01:37:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:37:51,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:51,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 37 [2023-11-29 01:37:51,344 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:37:51,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 50 [2023-11-29 01:37:51,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:51,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 42 [2023-11-29 01:37:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 01:37:51,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:37:53,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:53,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 61 [2023-11-29 01:37:53,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 109 [2023-11-29 01:37:53,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:53,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:53,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 95 [2023-11-29 01:37:53,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:53,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:53,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 91 [2023-11-29 01:37:53,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:53,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:53,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 67 [2023-11-29 01:37:53,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2023-11-29 01:37:53,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:53,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:53,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:53,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 186 [2023-11-29 01:37:54,430 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:54,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:54,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:54,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 377 treesize of output 339 [2023-11-29 01:37:54,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:54,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:37:55,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:37:55,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 158 treesize of output 160 [2023-11-29 01:37:55,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 01:37:57,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 01:37:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 12 refuted. 1 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:37:57,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208350529] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:37:57,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:37:57,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 25] total 67 [2023-11-29 01:37:57,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105617271] [2023-11-29 01:37:57,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:37:57,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-11-29 01:37:57,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:37:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-11-29 01:37:57,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=4160, Unknown=33, NotChecked=0, Total=4422 [2023-11-29 01:37:57,599 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand has 67 states, 61 states have (on average 2.2459016393442623) internal successors, (137), 58 states have internal predecessors, (137), 5 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:38:00,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:38:00,235 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2023-11-29 01:38:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 01:38:00,235 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 61 states have (on average 2.2459016393442623) internal successors, (137), 58 states have internal predecessors, (137), 5 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 55 [2023-11-29 01:38:00,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:38:00,236 INFO L225 Difference]: With dead ends: 74 [2023-11-29 01:38:00,236 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 01:38:00,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=340, Invalid=5327, Unknown=33, NotChecked=0, Total=5700 [2023-11-29 01:38:00,237 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 181 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:38:00,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 537 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 01:38:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 01:38:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 63. [2023-11-29 01:38:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 59 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:38:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2023-11-29 01:38:00,240 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 55 [2023-11-29 01:38:00,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:38:00,240 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2023-11-29 01:38:00,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 61 states have (on average 2.2459016393442623) internal successors, (137), 58 states have internal predecessors, (137), 5 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:38:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2023-11-29 01:38:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-29 01:38:00,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:38:00,240 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:38:00,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 01:38:00,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-11-29 01:38:00,441 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:38:00,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:38:00,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1892095091, now seen corresponding path program 1 times [2023-11-29 01:38:00,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:38:00,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080905989] [2023-11-29 01:38:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:00,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:38:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:38:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:38:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:38:02,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:38:02,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080905989] [2023-11-29 01:38:02,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080905989] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:38:02,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993963663] [2023-11-29 01:38:02,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:02,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:38:02,428 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:38:02,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 01:38:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 101 conjunts are in the unsatisfiable core [2023-11-29 01:38:02,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:38:02,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:38:02,947 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 01:38:02,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 01:38:03,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:38:03,160 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:38:03,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2023-11-29 01:38:03,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:38:03,313 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-29 01:38:03,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2023-11-29 01:38:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:03,408 INFO L349 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2023-11-29 01:38:03,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 53 [2023-11-29 01:38:03,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2023-11-29 01:38:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:03,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2023-11-29 01:38:03,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2023-11-29 01:38:04,151 INFO L349 Elim1Store]: treesize reduction 122, result has 23.8 percent of original size [2023-11-29 01:38:04,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 94 treesize of output 84 [2023-11-29 01:38:04,175 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-29 01:38:04,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 43 [2023-11-29 01:38:04,860 INFO L349 Elim1Store]: treesize reduction 57, result has 12.3 percent of original size [2023-11-29 01:38:04,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 53 [2023-11-29 01:38:04,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:04,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 28 [2023-11-29 01:38:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:38:04,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:38:05,547 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (.cse0 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (.cse1 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (and (or (forall ((v_ArrVal_6030 Int)) (< (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store .cse0 .cse1 v_ArrVal_6030)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0)) (forall ((v_ArrVal_6029 (Array Int Int))) (or (not (= (store .cse2 .cse1 (select v_ArrVal_6029 .cse1)) v_ArrVal_6029)) (= (select (let ((.cse3 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_6029))) (select .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) 0) |c_ULTIMATE.start_main_~s~0#1.base|)))) (forall ((v_ArrVal_6030 Int)) (let ((.cse4 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store .cse0 .cse1 v_ArrVal_6030)))) (or (< (select (select .cse4 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0) (forall ((v_ArrVal_6029 (Array Int Int))) (or (not (= (store .cse2 .cse1 (select v_ArrVal_6029 .cse1)) v_ArrVal_6029)) (= |c_ULTIMATE.start_main_~s~0#1.offset| (select (select .cse4 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_6029) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) 0))))))))) is different from false [2023-11-29 01:38:06,504 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (.cse1 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (and (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_6027 .cse1)) v_ArrVal_6027)) (forall ((v_ArrVal_6026 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse2 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_6026))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (select (select .cse2 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (forall ((v_ArrVal_6030 Int)) (let ((.cse4 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_6027))) (let ((.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (.cse6 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (let ((.cse3 (store .cse2 .cse5 (store (select .cse2 .cse5) .cse6 v_ArrVal_6030)))) (or (< (select (select .cse3 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0) (forall ((v_ArrVal_6029 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~s~0#1.offset| (select (select .cse3 (select (select (store .cse4 .cse5 v_ArrVal_6029) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) 0)) (not (= v_ArrVal_6029 (store (select .cse4 .cse5) .cse6 (select v_ArrVal_6029 .cse6)))))))))))))))) (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_6027 .cse1)) v_ArrVal_6027)) (forall ((v_ArrVal_6026 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse11 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_6027))) (let ((.cse8 (select (select .cse11 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (.cse9 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8)) (.cse7 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_6026))) (or (forall ((v_ArrVal_6030 Int)) (< (select (select (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 v_ArrVal_6030)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0)) (forall ((v_ArrVal_6029 (Array Int Int))) (or (= (select (let ((.cse10 (store .cse11 .cse8 v_ArrVal_6029))) (select .cse10 (select (select .cse10 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) 0) |c_ULTIMATE.start_main_~s~0#1.base|) (not (= v_ArrVal_6029 (store (select .cse11 .cse8) .cse9 (select v_ArrVal_6029 .cse9)))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (select (select .cse7 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))))))))) is different from false [2023-11-29 01:38:06,652 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base|))) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= v_ArrVal_6027 (let ((.cse1 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse1 (select v_ArrVal_6027 .cse1))))) (forall ((v_ArrVal_6026 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (select v_ArrVal_6026 |c_ULTIMATE.start_main_~s~0#1.offset|)) (forall ((v_ArrVal_6030 Int)) (let ((.cse4 (select v_ArrVal_6027 |c_ULTIMATE.start_main_~s~0#1.offset|)) (.cse5 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (let ((.cse2 (let ((.cse6 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_6026))) (store .cse6 .cse4 (store (select .cse6 .cse4) .cse5 v_ArrVal_6030))))) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse3 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_6027))) (or (= |c_ULTIMATE.start_main_~s~0#1.offset| (select (select .cse2 (select (select (store .cse3 .cse4 v_ArrVal_6029) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) 0)) (not (= v_ArrVal_6029 (store (select .cse3 .cse4) .cse5 (select v_ArrVal_6029 .cse5))))))) (< (select (select .cse2 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0))))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_main_~s~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (or (forall ((v_ArrVal_6026 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse8 (select v_ArrVal_6027 |c_ULTIMATE.start_main_~s~0#1.offset|)) (.cse9 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (select v_ArrVal_6026 |c_ULTIMATE.start_main_~s~0#1.offset|)) (forall ((v_ArrVal_6030 Int)) (< (select (select (let ((.cse7 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_6026))) (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 v_ArrVal_6030))) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse11 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_6027))) (or (= (select (let ((.cse10 (store .cse11 .cse8 v_ArrVal_6029))) (select .cse10 (select (select .cse10 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) 0) |c_ULTIMATE.start_main_~s~0#1.base|) (not (= v_ArrVal_6029 (store (select .cse11 .cse8) .cse9 (select v_ArrVal_6029 .cse9)))))))))) (not (= v_ArrVal_6027 (let ((.cse12 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse12 (select v_ArrVal_6027 .cse12))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_main_~s~0#1.offset|))))) is different from false [2023-11-29 01:38:06,756 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (or (forall ((v_ArrVal_6026 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (select v_ArrVal_6026 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (forall ((v_ArrVal_6030 Int)) (let ((.cse1 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (let ((.cse3 (let ((.cse4 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6026))) (store .cse4 .cse1 (store (select .cse4 .cse1) .cse2 v_ArrVal_6030))))) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (or (not (= (store (select .cse0 .cse1) .cse2 (select v_ArrVal_6029 .cse2)) v_ArrVal_6029)) (= (select (select .cse3 (select (select (store .cse0 .cse1 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) 0) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) (< (select (select .cse3 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0))))))) (not (= (let ((.cse6 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse5 .cse6 (select v_ArrVal_6027 .cse6))) v_ArrVal_6027)))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (or (forall ((v_ArrVal_6026 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse8 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse9 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (or (not (= (store (select .cse7 .cse8) .cse9 (select v_ArrVal_6029 .cse9)) v_ArrVal_6029)) (= (select (let ((.cse10 (store .cse7 .cse8 v_ArrVal_6029))) (select .cse10 (select (select .cse10 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (forall ((v_ArrVal_6030 Int)) (< (select (select (let ((.cse11 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6026))) (store .cse11 .cse8 (store (select .cse11 .cse8) .cse9 v_ArrVal_6030))) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (select v_ArrVal_6026 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))))) (not (= (let ((.cse12 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse5 .cse12 (select v_ArrVal_6027 .cse12))) v_ArrVal_6027)))))))) is different from false [2023-11-29 01:38:06,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:06,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 36 [2023-11-29 01:38:06,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:06,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 88 [2023-11-29 01:38:06,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2023-11-29 01:38:06,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 01:38:07,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:07,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2023-11-29 01:38:07,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:07,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 525 treesize of output 535 [2023-11-29 01:38:07,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:07,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 465 treesize of output 459 [2023-11-29 01:38:07,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 01:38:07,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 01:38:07,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:07,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 389 treesize of output 387 [2023-11-29 01:38:09,387 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (let ((.cse18 (< |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) (.cse0 (store (select .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse3 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse4 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse1 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse1 (select v_ArrVal_6027 .cse1))))) (= (select (let ((.cse2 (store .cse3 .cse4 v_ArrVal_6029))) (select .cse2 (select (select .cse2 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (not (= v_ArrVal_6029 (let ((.cse5 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse3 .cse4) .cse5 (select v_ArrVal_6029 .cse5))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0)))))) (or (< |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| 1) (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse8 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse9 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse7 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse7 (select v_ArrVal_6027 .cse7))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= (select (select (store .cse8 .cse9 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (= v_ArrVal_6029 (let ((.cse10 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse8 .cse9) .cse10 (select v_ArrVal_6029 .cse10))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse13 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse11 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse11 (select v_ArrVal_6027 .cse11))))) (forall ((v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse12 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (or (= (select (select (store .cse12 .cse13 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) (not (= v_ArrVal_6029 (let ((.cse14 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse12 .cse13) .cse14 (select v_ArrVal_6029 .cse14))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0)))) (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse13)))))) (or (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (let ((.cse16 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse17 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse15 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse15 (select v_ArrVal_6027 .cse15))))) (not (= (store (select .cse16 .cse17) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= (select (select (store .cse16 .cse17 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) .cse18) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse21 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse19 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse19 (select v_ArrVal_6027 .cse19))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse20 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (or (not (= (store (select .cse20 .cse21) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_6029)) (not (= (select (select (store .cse20 .cse21 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse21))))))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse24 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse22 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse22 (select v_ArrVal_6027 .cse22))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse23 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (let ((.cse25 (select (select (store .cse23 .cse24 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= (store (select .cse23 .cse24) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_6029)) (= .cse25 .cse24) (= .cse25 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))))) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse24))))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse28 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse26 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse26 (select v_ArrVal_6027 .cse26))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse27 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (or (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (not (= v_ArrVal_6029 (let ((.cse29 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse27 .cse28) .cse29 (select v_ArrVal_6029 .cse29))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0))) (= (select (let ((.cse30 (store .cse27 .cse28 v_ArrVal_6029))) (select .cse30 (select (select .cse30 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse28))))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse33 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse31 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse31 (select v_ArrVal_6027 .cse31))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse32 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027))) (or (not (= (store (select .cse32 .cse33) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_6029)) (= (select (let ((.cse34 (store .cse32 .cse33 v_ArrVal_6029))) (select .cse34 (select (select .cse34 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| .cse33))))))) (or (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= v_ArrVal_6027 (let ((.cse35 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse35 (select v_ArrVal_6027 .cse35))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse38 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse37 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (let ((.cse36 (select (select (store .cse38 .cse37 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (= .cse36 .cse37) (= .cse36 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) (not (= v_ArrVal_6029 (let ((.cse39 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse38 .cse37) .cse39 (select v_ArrVal_6029 .cse39))))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0))))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= v_ArrVal_6027 (let ((.cse40 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse40 (select v_ArrVal_6027 .cse40))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse41 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse42 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= (select (select (store .cse41 .cse42 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (= v_ArrVal_6029 (let ((.cse43 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse41 .cse42) .cse43 (select v_ArrVal_6029 .cse43)))))))))))))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= v_ArrVal_6027 (let ((.cse44 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse44 (select v_ArrVal_6027 .cse44))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse45 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse46 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= (select (select (store .cse45 .cse46 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (+ |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| 1)) (not (= v_ArrVal_6029 (let ((.cse47 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse45 .cse46) .cse47 (select v_ArrVal_6029 .cse47))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0)))))))))) (or .cse18 (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (let ((.cse49 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6027)) (.cse50 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (let ((.cse51 (select (select (store .cse49 .cse50 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse48 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse0 .cse48 (select v_ArrVal_6027 .cse48))))) (not (= (store (select .cse49 .cse50) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= .cse51 .cse50) (= .cse51 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))))))))) is different from false [2023-11-29 01:38:11,474 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (let ((.cse15 (< |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (.cse4 (store (select .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse1 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse2 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (= (select (let ((.cse0 (store .cse1 .cse2 v_ArrVal_6029))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (not (= v_ArrVal_6029 (let ((.cse3 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse1 .cse2) .cse3 (select v_ArrVal_6029 .cse3))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (not (= (let ((.cse5 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse5 (select v_ArrVal_6027 .cse5))) v_ArrVal_6027))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse7 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= .cse7 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= (let ((.cse8 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse8 (select v_ArrVal_6027 .cse8))) v_ArrVal_6027)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse9 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (not (= v_ArrVal_6029 (store (select .cse9 .cse7) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (not (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store .cse9 .cse7 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse12 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse11 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (= (select (let ((.cse10 (store .cse11 .cse12 v_ArrVal_6029))) (select .cse10 (select (select .cse10 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (not (= v_ArrVal_6029 (let ((.cse13 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse11 .cse12) .cse13 (select v_ArrVal_6029 .cse13))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0)))))) (not (= .cse12 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= (let ((.cse14 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse14 (select v_ArrVal_6027 .cse14))) v_ArrVal_6027))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or .cse15 (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (let ((.cse16 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse17 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6029 (store (select .cse16 .cse17) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (not (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store .cse16 .cse17 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= (let ((.cse18 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse18 (select v_ArrVal_6027 .cse18))) v_ArrVal_6027)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (or .cse15 (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (let ((.cse19 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse20 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (let ((.cse21 (select (select (store .cse19 .cse20 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6029 (store (select .cse19 .cse20) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| .cse21) (= .cse20 .cse21) (not (= (let ((.cse22 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse22 (select v_ArrVal_6027 .cse22))) v_ArrVal_6027)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))) (or (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse23 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse24 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6029 (let ((.cse25 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse23 .cse24) .cse25 (select v_ArrVal_6029 .cse25))))) (not (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store .cse23 .cse24 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))))) (not (= (let ((.cse26 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse26 (select v_ArrVal_6027 .cse26))) v_ArrVal_6027)))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse27 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse28 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (let ((.cse30 (select (select (store .cse27 .cse28 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6029 (let ((.cse29 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse27 .cse28) .cse29 (select v_ArrVal_6029 .cse29))))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| .cse30) (= .cse28 .cse30))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0))) (not (= (let ((.cse31 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse31 (select v_ArrVal_6027 .cse31))) v_ArrVal_6027)))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (or (< |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 1) (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse32 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse33 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6029 (let ((.cse34 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse32 .cse33) .cse34 (select v_ArrVal_6029 .cse34))))) (not (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store .cse32 .cse33 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (not (= (let ((.cse35 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse35 (select v_ArrVal_6027 .cse35))) v_ArrVal_6027)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse36 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= .cse36 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse38 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (= (select (let ((.cse37 (store .cse38 .cse36 v_ArrVal_6029))) (select .cse37 (select (select .cse37 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (not (= v_ArrVal_6029 (store (select .cse38 .cse36) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))))) (not (= (let ((.cse39 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse39 (select v_ArrVal_6027 .cse39))) v_ArrVal_6027))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (or (not (= (let ((.cse40 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse40 (select v_ArrVal_6027 .cse40))) v_ArrVal_6027)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse41 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse42 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store .cse41 .cse42 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (not (= v_ArrVal_6029 (let ((.cse43 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse41 .cse42) .cse43 (select v_ArrVal_6029 .cse43))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 1))))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse45 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= (let ((.cse44 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse44 (select v_ArrVal_6027 .cse44))) v_ArrVal_6027)) (= .cse45 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (forall ((v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse46 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (not (= v_ArrVal_6029 (let ((.cse47 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse46 .cse45) .cse47 (select v_ArrVal_6029 .cse47))))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select (store .cse46 .cse45 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int)) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse48 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= .cse48 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= (let ((.cse49 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store .cse4 .cse49 (select v_ArrVal_6027 .cse49))) v_ArrVal_6027)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse50 (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (let ((.cse51 (select (select (store .cse50 .cse48 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6029 (store (select .cse50 .cse48) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| .cse51) (= .cse48 .cse51)))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))) is different from false [2023-11-29 01:38:12,648 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse33 (< |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (.cse4 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (and (or (< |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 1) (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse3 (let ((.cse6 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse6 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse6 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (let ((.cse0 (store .cse3 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse1 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= (let ((.cse2 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse0 .cse1) .cse2 (select v_ArrVal_6029 .cse2))) v_ArrVal_6029)) (not (= (select (select (store .cse0 .cse1 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= v_ArrVal_6027 (let ((.cse5 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse3 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse5 (select v_ArrVal_6027 .cse5))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse10 (let ((.cse13 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse13 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse13 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (let ((.cse7 (store .cse10 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse8 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= (let ((.cse9 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse7 .cse8) .cse9 (select v_ArrVal_6029 .cse9))) v_ArrVal_6029)) (not (= v_ArrVal_6027 (let ((.cse11 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse10 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse11 (select v_ArrVal_6027 .cse11))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (= (select (let ((.cse12 (store .cse7 .cse8 v_ArrVal_6029))) (select .cse12 (select (select .cse12 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse14 (let ((.cse19 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse19 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse19 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (.cse17 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse15 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse14 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse15 (select v_ArrVal_6027 .cse15))))) (forall ((v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (let ((.cse16 (store .cse14 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (not (= (let ((.cse18 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse16 .cse17) .cse18 (select v_ArrVal_6029 .cse18))) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (= (select (select (store .cse16 .cse17 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= .cse17 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (or (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse20 (let ((.cse26 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse26 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse26 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (or (not (= v_ArrVal_6027 (let ((.cse21 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse20 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse21 (select v_ArrVal_6027 .cse21))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse22 (store .cse20 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse23 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (let ((.cse25 (select (select (store .cse22 .cse23 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= (let ((.cse24 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse22 .cse23) .cse24 (select v_ArrVal_6029 .cse24))) v_ArrVal_6029)) (= .cse25 .cse23) (= .cse25 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0)))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse30 (let ((.cse32 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse32 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse32 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (or (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse27 (store .cse30 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse28 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= (let ((.cse29 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse27 .cse28) .cse29 (select v_ArrVal_6029 .cse29))) v_ArrVal_6029)) (not (= (select (select (store .cse27 .cse28 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))))) (not (= v_ArrVal_6027 (let ((.cse31 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse30 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse31 (select v_ArrVal_6027 .cse31)))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (or .cse33 (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (let ((.cse36 (let ((.cse38 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse38 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse38 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (let ((.cse34 (store .cse36 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse35 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= (select (select (store .cse34 .cse35 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= v_ArrVal_6027 (let ((.cse37 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse36 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse37 (select v_ArrVal_6027 .cse37))))) (not (= (store (select .cse34 .cse35) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))) (or .cse33 (forall ((v_ArrVal_6027 (Array Int Int)) (v_ArrVal_6029 (Array Int Int)) (|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (let ((.cse39 (let ((.cse44 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse44 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse44 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (let ((.cse43 (store .cse39 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse42 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (let ((.cse41 (select (select (store .cse43 .cse42 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse40 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse39 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse40 (select v_ArrVal_6027 .cse40))))) (= .cse41 .cse42) (= .cse41 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) (not (= (store (select .cse43 .cse42) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse47 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (.cse45 (let ((.cse50 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse50 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse50 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (or (not (= v_ArrVal_6027 (let ((.cse46 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse45 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse46 (select v_ArrVal_6027 .cse46))))) (not (= .cse47 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse48 (store .cse45 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (not (= (store (select .cse48 .cse47) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) v_ArrVal_6029)) (= (select (let ((.cse49 (store .cse48 .cse47 v_ArrVal_6029))) (select .cse49 (select (select .cse49 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse53 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (.cse51 (let ((.cse55 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse55 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse55 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (or (not (= v_ArrVal_6027 (let ((.cse52 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse51 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse52 (select v_ArrVal_6027 .cse52))))) (not (= .cse53 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse54 (store .cse51 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (not (= (select (select (store .cse54 .cse53 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= (store (select .cse54 .cse53) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) v_ArrVal_6029)))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse56 (let ((.cse61 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse61 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse61 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (.cse59 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse57 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse56 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse57 (select v_ArrVal_6027 .cse57))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse60 (store .cse56 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (let ((.cse58 (select (select (store .cse60 .cse59 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (= .cse58 .cse59) (= .cse58 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) (not (= (store (select .cse60 .cse59) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_6029 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) v_ArrVal_6029)))))) (not (= .cse59 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse62 (let ((.cse67 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse67 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse67 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (or (not (= v_ArrVal_6027 (let ((.cse63 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse62 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse63 (select v_ArrVal_6027 .cse63))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse64 (store .cse62 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027)) (.cse65 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (not (= (let ((.cse66 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse64 .cse65) .cse66 (select v_ArrVal_6029 .cse66))) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 1)))) (not (= (select (select (store .cse64 .cse65 v_ArrVal_6029) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| Int) (v_ArrVal_6020 (Array Int Int))) (or (forall ((v_ArrVal_6027 (Array Int Int))) (let ((.cse68 (let ((.cse74 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_6020))) (store .cse74 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse74 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (.cse71 (select v_ArrVal_6027 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (not (= v_ArrVal_6027 (let ((.cse69 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| 8))) (store (store (select .cse68 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse69 (select v_ArrVal_6027 .cse69))))) (forall ((v_ArrVal_6029 (Array Int Int))) (let ((.cse70 (store .cse68 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_6027))) (or (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| Int)) (or (not (= (let ((.cse72 (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 8))) (store (select .cse70 .cse71) .cse72 (select v_ArrVal_6029 .cse72))) v_ArrVal_6029)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_73| 0))) (= (select (let ((.cse73 (store .cse70 .cse71 v_ArrVal_6029))) (select .cse73 (select (select .cse73 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) 0) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= .cse71 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_75| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) is different from false [2023-11-29 01:38:14,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:14,837 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:14,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 167 [2023-11-29 01:38:14,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:14,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 282 [2023-11-29 01:38:14,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:14,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:14,961 INFO L349 Elim1Store]: treesize reduction 34, result has 67.9 percent of original size [2023-11-29 01:38:14,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 273 treesize of output 367 [2023-11-29 01:38:14,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:14,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:15,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:15,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 182 treesize of output 204 [2023-11-29 01:38:15,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:15,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35 [2023-11-29 01:38:15,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:38:15,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:38:15,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:15,993 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:15,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2023-11-29 01:38:16,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2023-11-29 01:38:16,145 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,148 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,230 INFO L349 Elim1Store]: treesize reduction 48, result has 36.8 percent of original size [2023-11-29 01:38:16,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 44 [2023-11-29 01:38:16,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,406 INFO L349 Elim1Store]: treesize reduction 125, result has 22.8 percent of original size [2023-11-29 01:38:16,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 685 treesize of output 694 [2023-11-29 01:38:16,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,650 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,676 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-29 01:38:16,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 25 [2023-11-29 01:38:16,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,752 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-29 01:38:16,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 25 [2023-11-29 01:38:16,779 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,780 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,811 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-29 01:38:16,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 25 [2023-11-29 01:38:16,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:16,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2023-11-29 01:38:16,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:16,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2023-11-29 01:38:16,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:16,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,001 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:17,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 239 [2023-11-29 01:38:17,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,316 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-29 01:38:17,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 489 treesize of output 1 [2023-11-29 01:38:17,320 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,320 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:17,328 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:38:17,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 1 [2023-11-29 01:38:17,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:17,358 INFO L349 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2023-11-29 01:38:17,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 9473 treesize of output 1 [2023-11-29 01:38:17,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:17,372 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:38:17,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 1 [2023-11-29 01:38:17,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,399 INFO L349 Elim1Store]: treesize reduction 105, result has 0.9 percent of original size [2023-11-29 01:38:17,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 897 treesize of output 1 [2023-11-29 01:38:17,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,412 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-29 01:38:17,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 519 treesize of output 1 [2023-11-29 01:38:17,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,425 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-29 01:38:17,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 553 treesize of output 1 [2023-11-29 01:38:17,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,456 INFO L349 Elim1Store]: treesize reduction 105, result has 0.9 percent of original size [2023-11-29 01:38:17,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25441 treesize of output 1 [2023-11-29 01:38:17,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,468 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-29 01:38:17,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 553 treesize of output 1 [2023-11-29 01:38:17,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:17,498 INFO L349 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2023-11-29 01:38:17,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 9477 treesize of output 1 [2023-11-29 01:38:17,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993963663] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:38:17,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:38:17,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25] total 45 [2023-11-29 01:38:17,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325025682] [2023-11-29 01:38:17,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:38:17,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-29 01:38:17,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:38:17,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-29 01:38:17,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=2470, Unknown=29, NotChecked=742, Total=3422 [2023-11-29 01:38:17,660 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 45 states, 42 states have (on average 2.142857142857143) internal successors, (90), 40 states have internal predecessors, (90), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:38:19,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:38:19,980 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2023-11-29 01:38:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 01:38:19,981 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 42 states have (on average 2.142857142857143) internal successors, (90), 40 states have internal predecessors, (90), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 56 [2023-11-29 01:38:19,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:38:19,982 INFO L225 Difference]: With dead ends: 56 [2023-11-29 01:38:19,982 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 01:38:19,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=331, Invalid=3700, Unknown=29, NotChecked=910, Total=4970 [2023-11-29 01:38:19,983 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 125 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:38:19,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 422 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 01:38:19,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 01:38:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-29 01:38:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 52 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:38:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2023-11-29 01:38:19,985 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 56 [2023-11-29 01:38:19,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:38:19,986 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2023-11-29 01:38:19,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 42 states have (on average 2.142857142857143) internal successors, (90), 40 states have internal predecessors, (90), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:38:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2023-11-29 01:38:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-29 01:38:19,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:38:19,987 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:38:19,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 01:38:20,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:20,187 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:38:20,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:38:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1532173923, now seen corresponding path program 1 times [2023-11-29 01:38:20,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:38:20,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510318060] [2023-11-29 01:38:20,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:20,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:38:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:38:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:38:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:38:21,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:38:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510318060] [2023-11-29 01:38:21,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510318060] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:38:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885567661] [2023-11-29 01:38:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:21,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:38:21,409 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:38:21,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 01:38:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:21,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:38:21,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:38:22,013 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 01:38:22,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-29 01:38:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:38:22,071 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:38:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:38:22,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885567661] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:38:22,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:38:22,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 7, 7] total 33 [2023-11-29 01:38:22,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552399660] [2023-11-29 01:38:22,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:38:22,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-29 01:38:22,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:38:22,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-29 01:38:22,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 01:38:22,374 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand has 34 states, 31 states have (on average 3.129032258064516) internal successors, (97), 31 states have internal predecessors, (97), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:38:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:38:23,371 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2023-11-29 01:38:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 01:38:23,372 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 31 states have (on average 3.129032258064516) internal successors, (97), 31 states have internal predecessors, (97), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58 [2023-11-29 01:38:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:38:23,373 INFO L225 Difference]: With dead ends: 55 [2023-11-29 01:38:23,373 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 01:38:23,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=187, Invalid=1535, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 01:38:23,373 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 59 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:38:23,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 238 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:38:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 01:38:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 01:38:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.0) internal successors, (51), 51 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:38:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2023-11-29 01:38:23,375 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 58 [2023-11-29 01:38:23,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:38:23,376 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2023-11-29 01:38:23,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 31 states have (on average 3.129032258064516) internal successors, (97), 31 states have internal predecessors, (97), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:38:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2023-11-29 01:38:23,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 01:38:23,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:38:23,376 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:38:23,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-29 01:38:23,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:23,577 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 31 more)] === [2023-11-29 01:38:23,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:38:23,577 INFO L85 PathProgramCache]: Analyzing trace with hash -754636591, now seen corresponding path program 1 times [2023-11-29 01:38:23,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:38:23,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768444399] [2023-11-29 01:38:23,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:38:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:38:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:38:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:38:25,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:38:25,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768444399] [2023-11-29 01:38:25,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768444399] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:38:25,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619998157] [2023-11-29 01:38:25,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:25,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:25,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:38:25,740 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:38:25,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18fbd09-a0d7-496a-a289-e606c29863b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-29 01:38:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-29 01:38:26,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:38:26,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:38:26,716 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:38:26,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 55 [2023-11-29 01:38:26,937 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:38:26,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 50 [2023-11-29 01:38:27,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2023-11-29 01:38:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:38:27,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 32 [2023-11-29 01:38:27,538 INFO L349 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2023-11-29 01:38:27,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 50 [2023-11-29 01:38:27,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:27,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2023-11-29 01:38:28,768 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_dll_circular_destroy_~head#1.base| Int) (|v_ULTIMATE.start_dll_circular_destroy_~p~0#1.base_34| Int)) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_dll_circular_destroy_~p~0#1.base_34| 0) |ULTIMATE.start_dll_circular_destroy_~head#1.base| 0)) (= (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_dll_circular_destroy_~p~0#1.base_34| 1) |ULTIMATE.start_dll_circular_destroy_~head#1.base|) 0) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_dll_circular_destroy_~p~0#1.base_34|) 0))) is different from true [2023-11-29 01:38:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 01:38:28,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:38:31,592 INFO L349 Elim1Store]: treesize reduction 17, result has 67.3 percent of original size [2023-11-29 01:38:31,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 508 treesize of output 526 [2023-11-29 01:38:31,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:38:31,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 2624 treesize of output 2652 [2023-11-29 01:38:31,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,754 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,755 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,765 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,768 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:31,962 INFO L349 Elim1Store]: treesize reduction 124, result has 41.2 percent of original size [2023-11-29 01:38:31,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 2223 treesize of output 2088 [2023-11-29 01:38:32,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:32,280 INFO L349 Elim1Store]: treesize reduction 124, result has 41.2 percent of original size [2023-11-29 01:38:32,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 1743 treesize of output 1731 [2023-11-29 01:38:34,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-29 01:38:34,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:34,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:34,934 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,009 INFO L349 Elim1Store]: treesize reduction 68, result has 8.1 percent of original size [2023-11-29 01:38:35,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 26 [2023-11-29 01:38:35,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,261 INFO L349 Elim1Store]: treesize reduction 68, result has 8.1 percent of original size [2023-11-29 01:38:35,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 26 [2023-11-29 01:38:35,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:38:35,471 INFO L349 Elim1Store]: treesize reduction 68, result has 8.1 percent of original size [2023-11-29 01:38:35,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 26 [2023-11-29 01:39:31,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:31,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 447 treesize of output 449 [2023-11-29 01:39:31,509 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,509 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,510 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,515 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:31,609 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,615 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:31,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:31,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,706 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:31,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 8 [2023-11-29 01:39:31,812 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,813 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,813 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:31,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,862 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,862 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:31,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,928 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:31,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:31,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:32,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:32,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 157 [2023-11-29 01:39:32,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 234 [2023-11-29 01:39:32,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,216 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,216 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,220 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 182 [2023-11-29 01:39:32,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 163 [2023-11-29 01:39:32,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,480 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,485 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 298 [2023-11-29 01:39:32,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,639 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,639 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:32,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 28 [2023-11-29 01:39:32,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,678 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:32,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:32,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:32,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 90 treesize of output 95 [2023-11-29 01:39:32,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,914 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2023-11-29 01:39:32,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:32,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:32,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 326 treesize of output 329 [2023-11-29 01:39:33,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:39:33,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,164 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,164 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 162 [2023-11-29 01:39:33,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:33,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:33,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,330 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:33,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:39:33,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:39:33,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,493 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,493 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,587 INFO L349 Elim1Store]: treesize reduction 100, result has 11.5 percent of original size [2023-11-29 01:39:33,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 511 treesize of output 466 [2023-11-29 01:39:33,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:33,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:33,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1004 treesize of output 1002 [2023-11-29 01:39:34,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:34,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:34,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 800 [2023-11-29 01:39:35,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:35,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:35,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1021 treesize of output 1013 [2023-11-29 01:39:37,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:37,841 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:37,842 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:37,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 780 treesize of output 754 [2023-11-29 01:39:39,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:39,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:39,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:39,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 675 treesize of output 657 [2023-11-29 01:39:39,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:39,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:39,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:39,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1026 treesize of output 1000 [2023-11-29 01:39:41,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:41,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:41,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:41,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:41,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 773 treesize of output 761 [2023-11-29 01:39:42,503 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:42,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:42,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:42,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:42,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 576 treesize of output 562 [2023-11-29 01:39:43,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:43,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:43,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:43,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:43,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 385 treesize of output 383 [2023-11-29 01:39:44,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:44,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:44,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:44,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:44,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 596 treesize of output 590 [2023-11-29 01:39:45,192 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:45,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,722 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:45,772 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:45,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:45,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:46,688 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:46,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:46,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 6 [2023-11-29 01:39:47,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:47,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:47,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 6 [2023-11-29 01:39:47,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:47,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:47,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:47,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:47,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:47,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:49,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:49,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:49,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:49,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:49,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:50,347 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,348 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:50,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:50,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:50,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:50,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:51,661 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:51,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:51,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:51,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:51,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,972 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:51,997 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:51,997 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,198 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,743 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,743 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:52,911 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,912 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:52,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:53,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:53,207 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:53,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:53,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:53,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:54,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:54,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:54,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:54,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:54,632 INFO L349 Elim1Store]: treesize reduction 26, result has 18.8 percent of original size [2023-11-29 01:39:54,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 859 treesize of output 790 [2023-11-29 01:39:55,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:55,199 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,200 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,200 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,201 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:55,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 554 treesize of output 523 [2023-11-29 01:39:55,854 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,854 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-11-29 01:39:55,892 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,892 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,893 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-29 01:39:55,924 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:55,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 01:39:57,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:57,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:57,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:57,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:57,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 320 treesize of output 322 [2023-11-29 01:39:57,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:57,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:57,507 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:57,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:39:57,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1448 treesize of output 1426 [2023-11-29 01:39:59,224 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 424 treesize of output 408 [2023-11-29 01:39:59,919 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:39:59,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 377 [2023-11-29 01:40:00,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:00,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:00,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:00,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:00,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 580 treesize of output 556 [2023-11-29 01:40:01,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:01,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:01,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:01,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 819 treesize of output 797 [2023-11-29 01:40:01,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:01,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:01,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:01,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 313 [2023-11-29 01:40:02,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:02,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:02,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:02,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:02,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 389 treesize of output 387 [2023-11-29 01:40:02,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:02,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:02,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:02,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:02,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 580 treesize of output 566 [2023-11-29 01:40:03,792 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:03,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:03,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:03,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:03,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:03,840 INFO L349 Elim1Store]: treesize reduction 34, result has 15.0 percent of original size [2023-11-29 01:40:03,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 511 treesize of output 460 [2023-11-29 01:40:04,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:40:04,145 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,150 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:04,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,196 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,196 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 8 [2023-11-29 01:40:04,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,233 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:04,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,277 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,278 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,364 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:04,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,398 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:04,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 424 treesize of output 408 [2023-11-29 01:40:04,714 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:04,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 377 [2023-11-29 01:40:05,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 580 treesize of output 556 [2023-11-29 01:40:05,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2023-11-29 01:40:05,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:05,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 311 treesize of output 314 [2023-11-29 01:40:05,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:05,499 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:05,518 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,521 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:05,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:05,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,604 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 133 [2023-11-29 01:40:05,654 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:05,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 157 [2023-11-29 01:40:05,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:05,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 28 [2023-11-29 01:40:05,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,780 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:05,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,801 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-29 01:40:05,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,950 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:05,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 167 [2023-11-29 01:40:06,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:40:06,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:40:06,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,190 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2023-11-29 01:40:06,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 182 [2023-11-29 01:40:06,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 234 [2023-11-29 01:40:06,518 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 163 [2023-11-29 01:40:06,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,593 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,593 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 298 [2023-11-29 01:40:06,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,722 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:40:06,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:06,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 224 [2023-11-29 01:40:06,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:06,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 82 treesize of output 87 [2023-11-29 01:40:06,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:06,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2023-11-29 01:40:07,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:07,312 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:07,312 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:07,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:07,428 INFO L349 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-11-29 01:40:07,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 777 treesize of output 718 [2023-11-29 01:40:07,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:07,902 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-11-29 01:40:07,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 582 treesize of output 586 [2023-11-29 01:40:08,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:08,368 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-11-29 01:40:08,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 773 treesize of output 765 [2023-11-29 01:40:09,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:09,871 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-11-29 01:40:09,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 970 treesize of output 964 [2023-11-29 01:40:11,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:11,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:11,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1036 treesize of output 1024 [2023-11-29 01:40:12,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:12,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:12,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 821 treesize of output 821 [2023-11-29 01:40:13,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:13,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:13,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1019 treesize of output 1013 [2023-11-29 01:40:15,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:15,372 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-11-29 01:40:15,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 557 treesize of output 565 [2023-11-29 01:40:17,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:17,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:17,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:17,641 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:17,732 INFO L349 Elim1Store]: treesize reduction 8, result has 83.0 percent of original size [2023-11-29 01:40:17,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 774 treesize of output 752 [2023-11-29 01:40:18,531 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:18,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:18,534 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:18,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:18,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:18,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 508 treesize of output 504 [2023-11-29 01:40:19,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:19,586 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:19,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:19,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:19,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:19,829 INFO L349 Elim1Store]: treesize reduction 112, result has 30.4 percent of original size [2023-11-29 01:40:19,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 3901 treesize of output 3750 [2023-11-29 01:40:21,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:21,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:21,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:21,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:22,033 INFO L349 Elim1Store]: treesize reduction 18, result has 53.8 percent of original size [2023-11-29 01:40:22,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2692 treesize of output 2614 [2023-11-29 01:40:28,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-29 01:40:28,668 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,668 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,676 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:28,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:28,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1361 treesize of output 1338 [2023-11-29 01:40:29,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 472 treesize of output 452 [2023-11-29 01:40:29,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2023-11-29 01:40:29,631 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,631 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 167 [2023-11-29 01:40:29,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2023-11-29 01:40:29,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:29,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 155 [2023-11-29 01:40:29,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,926 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,926 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,928 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:29,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:29,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,980 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,981 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,981 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,982 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:29,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 60 [2023-11-29 01:40:30,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2023-11-29 01:40:30,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:30,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 254 treesize of output 259 [2023-11-29 01:40:30,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,178 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,178 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 128 [2023-11-29 01:40:30,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2023-11-29 01:40:30,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,301 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:30,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 450 treesize of output 451 [2023-11-29 01:40:30,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,499 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:30,538 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,539 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,539 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:30,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,613 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 162 [2023-11-29 01:40:30,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,687 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-29 01:40:30,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:30,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 316 treesize of output 311 [2023-11-29 01:40:30,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,860 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,860 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:30,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:30,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,936 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,936 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:30,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:31,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:31,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:31,707 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:31,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:31,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:31,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:31,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4586 treesize of output 4436 [2023-11-29 01:40:37,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 01:40:37,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:40:37,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,910 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 159 [2023-11-29 01:40:37,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:37,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 222 [2023-11-29 01:40:38,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:38,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 439 treesize of output 392 [2023-11-29 01:40:38,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:38,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 316 treesize of output 311 [2023-11-29 01:40:38,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,364 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:38,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:38,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-29 01:40:38,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2023-11-29 01:40:38,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,507 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,521 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:38,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 28 [2023-11-29 01:40:38,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,538 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,539 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 117 [2023-11-29 01:40:38,588 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,588 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,589 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 126 [2023-11-29 01:40:38,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 01:40:38,693 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,694 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,695 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 453 treesize of output 441 [2023-11-29 01:40:38,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 01:40:38,903 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 01:40:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:38,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:38,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 325 treesize of output 286 [2023-11-29 01:40:39,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:40:39,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1313 treesize of output 1267 [2023-11-29 01:40:39,627 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,629 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,634 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,634 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:39,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 284 treesize of output 289 [2023-11-29 01:40:39,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,753 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,754 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,754 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 157 [2023-11-29 01:40:39,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 60 [2023-11-29 01:40:39,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,858 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:39,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 28 [2023-11-29 01:40:39,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 01:40:39,924 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 01:40:39,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,952 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:39,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2023-11-29 01:40:40,102 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:40,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 496 treesize of output 464 [2023-11-29 01:40:40,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:40,590 INFO L349 Elim1Store]: treesize reduction 34, result has 15.0 percent of original size [2023-11-29 01:40:40,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2237 treesize of output 2116 [2023-11-29 01:40:41,518 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:41,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:41,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 2939 treesize of output 2870 [2023-11-29 01:40:43,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:43,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:43,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:43,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:43,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:43,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:43,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2079 treesize of output 2017 [2023-11-29 01:40:46,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:46,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:46,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:46,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:46,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:40:46,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 3111 treesize of output 3052 [2023-11-29 01:40:48,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:48,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:48,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2023-11-29 01:40:49,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 285 treesize of output 271 [2023-11-29 01:40:49,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:49,806 INFO L349 Elim1Store]: treesize reduction 25, result has 60.9 percent of original size [2023-11-29 01:40:49,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 11454 treesize of output 11108 [2023-11-29 01:40:55,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:55,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:55,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:55,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:40:55,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3921 treesize of output 3883 [2023-11-29 01:41:00,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:00,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:00,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:00,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:00,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:41:00,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3174 treesize of output 3152 [2023-11-29 01:41:06,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:06,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:06,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 493 treesize of output 475 [2023-11-29 01:41:06,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:06,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:06,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2773 treesize of output 2674 [2023-11-29 01:41:07,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:07,798 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:07,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9404 treesize of output 9206 [2023-11-29 01:41:12,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,395 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,395 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 543 treesize of output 515 [2023-11-29 01:41:12,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,778 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,782 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:12,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:41:12,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 2194 treesize of output 2149 [2023-11-29 01:41:14,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2023-11-29 01:41:14,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:14,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:41:14,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 848 treesize of output 786 [2023-11-29 01:41:16,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:16,131 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:16,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:16,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:16,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:16,567 INFO L349 Elim1Store]: treesize reduction 120, result has 29.0 percent of original size [2023-11-29 01:41:16,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10558 treesize of output 10174 [2023-11-29 01:41:22,651 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:22,651 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:22,653 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:22,657 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:22,756 INFO L349 Elim1Store]: treesize reduction 18, result has 53.8 percent of original size [2023-11-29 01:41:22,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 3648 treesize of output 3542 [2023-11-29 01:41:32,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:32,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:32,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:32,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:32,572 INFO L349 Elim1Store]: treesize reduction 18, result has 61.7 percent of original size [2023-11-29 01:41:32,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 2801 treesize of output 2731 [2023-11-29 01:41:47,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:47,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:47,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:47,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:41:47,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111614 treesize of output 109306 [2023-11-29 01:42:55,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:43:46,126 WARN L293 SmtUtils]: Spent 50.57s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 01:43:46,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:43:46,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 108514 treesize of output 102770