./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ssina.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/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_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ssina.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c9ca6c94ff0fae82185b19014fc033eef7a37c04f3b092e10c4eebb38e41241 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:56:03,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:56:03,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:56:03,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:56:03,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:56:03,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:56:03,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:56:03,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:56:03,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:56:03,546 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:56:03,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:56:03,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:56:03,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:56:03,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:56:03,549 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:56:03,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:56:03,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:56:03,550 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:56:03,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:56:03,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:56:03,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:56:03,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:56:03,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:56:03,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:56:03,554 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:56:03,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:56:03,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:56:03,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:56:03,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:56:03,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:56:03,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:56:03,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:56:03,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:56:03,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:56:03,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:56:03,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:56:03,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:56:03,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:56:03,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:56:03,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:56:03,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:56:03,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:56:03,560 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_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9ca6c94ff0fae82185b19014fc033eef7a37c04f3b092e10c4eebb38e41241 [2023-11-29 01:56:03,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:56:03,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:56:03,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:56:03,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:56:03,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:56:03,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-fpi/ssina.c [2023-11-29 01:56:06,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:56:06,870 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:56:06,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/sv-benchmarks/c/array-fpi/ssina.c [2023-11-29 01:56:06,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/data/338e5c299/40835c73ea044f429fc097e54cd27365/FLAG30141a228 [2023-11-29 01:56:06,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/data/338e5c299/40835c73ea044f429fc097e54cd27365 [2023-11-29 01:56:06,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:56:06,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:56:06,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:56:06,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:56:06,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:56:06,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:56:06" (1/1) ... [2023-11-29 01:56:06,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bbb57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:06, skipping insertion in model container [2023-11-29 01:56:06,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:56:06" (1/1) ... [2023-11-29 01:56:06,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:56:07,082 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/sv-benchmarks/c/array-fpi/ssina.c[588,601] [2023-11-29 01:56:07,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:56:07,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:56:07,129 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/sv-benchmarks/c/array-fpi/ssina.c[588,601] [2023-11-29 01:56:07,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:56:07,154 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:56:07,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07 WrapperNode [2023-11-29 01:56:07,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:56:07,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:56:07,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:56:07,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:56:07,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,195 INFO L138 Inliner]: procedures = 17, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2023-11-29 01:56:07,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:56:07,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:56:07,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:56:07,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:56:07,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,225 INFO L175 MemorySlicer]: Split 26 memory accesses to 4 slices as follows [2, 8, 8, 8]. 31 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0, 0]. The 7 writes are split as follows [0, 0, 3, 4]. [2023-11-29 01:56:07,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:56:07,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:56:07,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:56:07,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:56:07,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (1/1) ... [2023-11-29 01:56:07,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:56:07,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:07,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:56:07,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:56:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:56:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:56:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:56:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:56:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:56:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:56:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:56:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:56:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:56:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:56:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:56:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:56:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:56:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:56:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:56:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:56:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:56:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:56:07,396 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:56:07,399 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:56:07,558 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:56:07,588 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:56:07,588 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 01:56:07,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:56:07 BoogieIcfgContainer [2023-11-29 01:56:07,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:56:07,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:56:07,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:56:07,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:56:07,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:56:06" (1/3) ... [2023-11-29 01:56:07,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d86cafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:56:07, skipping insertion in model container [2023-11-29 01:56:07,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:56:07" (2/3) ... [2023-11-29 01:56:07,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d86cafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:56:07, skipping insertion in model container [2023-11-29 01:56:07,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:56:07" (3/3) ... [2023-11-29 01:56:07,598 INFO L112 eAbstractionObserver]: Analyzing ICFG ssina.c [2023-11-29 01:56:07,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:56:07,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:56:07,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:56:07,672 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4ddca872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:56:07,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:56:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.8) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 01:56:07,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:07,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:56:07,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:07,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1129426038, now seen corresponding path program 1 times [2023-11-29 01:56:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:07,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140707941] [2023-11-29 01:56:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:07,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:07,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:07,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140707941] [2023-11-29 01:56:07,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:56:07,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35527133] [2023-11-29 01:56:07,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:07,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:07,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:07,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:07,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:56:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:07,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:56:07,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:07,951 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 01:56:07,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:56:07,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35527133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:56:07,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:56:07,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:56:07,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226551424] [2023-11-29 01:56:07,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:56:07,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:56:07,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:56:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:56:07,992 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.8) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:08,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:08,026 INFO L93 Difference]: Finished difference Result 41 states and 67 transitions. [2023-11-29 01:56:08,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:56:08,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-29 01:56:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:08,036 INFO L225 Difference]: With dead ends: 41 [2023-11-29 01:56:08,036 INFO L226 Difference]: Without dead ends: 19 [2023-11-29 01:56:08,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:56:08,043 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:08,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:56:08,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-29 01:56:08,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 01:56:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-29 01:56:08,075 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 17 [2023-11-29 01:56:08,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:08,075 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-29 01:56:08,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-29 01:56:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 01:56:08,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:08,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:56:08,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:56:08,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:08,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:08,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:08,278 INFO L85 PathProgramCache]: Analyzing trace with hash 850081664, now seen corresponding path program 1 times [2023-11-29 01:56:08,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:08,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002458114] [2023-11-29 01:56:08,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:08,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:08,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002458114] [2023-11-29 01:56:08,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:56:08,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372859028] [2023-11-29 01:56:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:08,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:08,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:08,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:08,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:56:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:08,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:56:08,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:08,465 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 01:56:08,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:56:08,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372859028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:56:08,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:56:08,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:56:08,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865291119] [2023-11-29 01:56:08,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:56:08,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:56:08,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:08,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:56:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:56:08,470 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:08,528 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2023-11-29 01:56:08,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:56:08,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-29 01:56:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:08,530 INFO L225 Difference]: With dead ends: 43 [2023-11-29 01:56:08,530 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 01:56:08,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:56:08,532 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 34 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:08,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 14 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:56:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 01:56:08,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2023-11-29 01:56:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2023-11-29 01:56:08,539 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 17 [2023-11-29 01:56:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:08,540 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-29 01:56:08,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-29 01:56:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 01:56:08,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:08,541 INFO L195 NwaCegarLoop]: trace histogram [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 01:56:08,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:56:08,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 01:56:08,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:08,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:08,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1805999884, now seen corresponding path program 1 times [2023-11-29 01:56:08,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:08,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562194108] [2023-11-29 01:56:08,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:08,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:08,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:08,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091331846] [2023-11-29 01:56:08,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:08,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:08,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:08,789 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:08,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:56:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:08,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-29 01:56:08,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:09,007 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 01:56:09,052 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 01:56:09,182 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 19 treesize of output 11 [2023-11-29 01:56:09,293 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 19 treesize of output 11 [2023-11-29 01:56:09,353 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 19 treesize of output 11 [2023-11-29 01:56:09,403 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 19 treesize of output 11 [2023-11-29 01:56:09,503 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 19 treesize of output 11 [2023-11-29 01:56:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:56:09,591 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:10,093 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 31 treesize of output 29 [2023-11-29 01:56:10,098 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 49 treesize of output 47 [2023-11-29 01:56:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:56:10,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:10,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562194108] [2023-11-29 01:56:10,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:10,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091331846] [2023-11-29 01:56:10,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091331846] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:10,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:10,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2023-11-29 01:56:10,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385487306] [2023-11-29 01:56:10,440 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:10,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-29 01:56:10,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-29 01:56:10,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=851, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:56:10,444 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:12,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:12,214 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2023-11-29 01:56:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 01:56:12,214 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-29 01:56:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:12,216 INFO L225 Difference]: With dead ends: 72 [2023-11-29 01:56:12,216 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 01:56:12,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=356, Invalid=2194, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 01:56:12,219 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 83 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:12,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 150 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:56:12,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 01:56:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 41. [2023-11-29 01:56:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2023-11-29 01:56:12,234 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 22 [2023-11-29 01:56:12,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:12,234 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2023-11-29 01:56:12,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-29 01:56:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 01:56:12,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:12,236 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:56:12,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 01:56:12,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:12,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:12,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:12,440 INFO L85 PathProgramCache]: Analyzing trace with hash -971111751, now seen corresponding path program 2 times [2023-11-29 01:56:12,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:12,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661379547] [2023-11-29 01:56:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:12,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:12,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:12,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535788506] [2023-11-29 01:56:12,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:56:12,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:12,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:12,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:12,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:56:12,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:56:12,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:56:12,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:56:12,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:56:12,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:56:12,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:12,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661379547] [2023-11-29 01:56:12,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:12,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535788506] [2023-11-29 01:56:12,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535788506] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:12,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:12,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 01:56:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433793623] [2023-11-29 01:56:12,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:12,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:56:12,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:56:12,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:56:12,647 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:12,852 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2023-11-29 01:56:12,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:56:12,853 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-29 01:56:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:12,854 INFO L225 Difference]: With dead ends: 76 [2023-11-29 01:56:12,854 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 01:56:12,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:56:12,855 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 55 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:12,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 48 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:56:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 01:56:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2023-11-29 01:56:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2023-11-29 01:56:12,873 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 23 [2023-11-29 01:56:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:12,873 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-29 01:56:12,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:12,874 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-29 01:56:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 01:56:12,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:12,875 INFO L195 NwaCegarLoop]: trace histogram [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 01:56:12,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:56:13,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:13,081 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:13,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:13,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1011956034, now seen corresponding path program 3 times [2023-11-29 01:56:13,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:13,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350266737] [2023-11-29 01:56:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:13,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:13,107 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455569191] [2023-11-29 01:56:13,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:56:13,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:13,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:13,109 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:13,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:56:13,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 01:56:13,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:56:13,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:56:13,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 01:56:13,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 01:56:13,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:13,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350266737] [2023-11-29 01:56:13,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:13,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455569191] [2023-11-29 01:56:13,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455569191] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:13,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:13,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 01:56:13,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228199837] [2023-11-29 01:56:13,291 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:13,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:56:13,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:13,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:56:13,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:56:13,292 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:13,421 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2023-11-29 01:56:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:56:13,421 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-29 01:56:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:13,422 INFO L225 Difference]: With dead ends: 79 [2023-11-29 01:56:13,422 INFO L226 Difference]: Without dead ends: 39 [2023-11-29 01:56:13,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:56:13,424 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 40 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:13,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 36 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:56:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-29 01:56:13,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2023-11-29 01:56:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2023-11-29 01:56:13,435 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 24 [2023-11-29 01:56:13,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:13,435 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2023-11-29 01:56:13,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-29 01:56:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 01:56:13,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:13,436 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] [2023-11-29 01:56:13,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:56:13,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:13,637 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:13,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:13,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1228308800, now seen corresponding path program 4 times [2023-11-29 01:56:13,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:13,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631154871] [2023-11-29 01:56:13,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:13,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:13,661 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:13,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550777328] [2023-11-29 01:56:13,662 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 01:56:13,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:13,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:13,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:56:13,815 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 01:56:13,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:56:13,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-29 01:56:13,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:13,831 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 01:56:13,845 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 15 treesize of output 11 [2023-11-29 01:56:13,882 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 25 treesize of output 24 [2023-11-29 01:56:14,010 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 23 treesize of output 15 [2023-11-29 01:56:14,056 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 33 treesize of output 21 [2023-11-29 01:56:14,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:14,186 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 26 treesize of output 21 [2023-11-29 01:56:14,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:14,236 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 26 treesize of output 21 [2023-11-29 01:56:14,289 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 19 treesize of output 11 [2023-11-29 01:56:14,367 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 19 treesize of output 11 [2023-11-29 01:56:14,416 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 19 treesize of output 11 [2023-11-29 01:56:14,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:14,527 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 26 treesize of output 21 [2023-11-29 01:56:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:56:14,600 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2023-11-29 01:56:14,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 36 treesize of output 44 [2023-11-29 01:56:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:56:14,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:18,865 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 75 treesize of output 71 [2023-11-29 01:56:18,868 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 59 treesize of output 53 [2023-11-29 01:56:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:56:19,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631154871] [2023-11-29 01:56:19,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550777328] [2023-11-29 01:56:19,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550777328] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:19,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:19,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2023-11-29 01:56:19,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570184606] [2023-11-29 01:56:19,033 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:19,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-29 01:56:19,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:19,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-29 01:56:19,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1402, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 01:56:19,035 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:38,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:38,472 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2023-11-29 01:56:38,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-11-29 01:56:38,473 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-29 01:56:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:38,474 INFO L225 Difference]: With dead ends: 138 [2023-11-29 01:56:38,474 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 01:56:38,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2141 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=936, Invalid=7806, Unknown=0, NotChecked=0, Total=8742 [2023-11-29 01:56:38,479 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 347 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:38,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 351 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-29 01:56:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 01:56:38,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 48. [2023-11-29 01:56:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 47 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2023-11-29 01:56:38,513 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 27 [2023-11-29 01:56:38,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:38,514 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2023-11-29 01:56:38,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-29 01:56:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 01:56:38,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:38,515 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:56:38,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:56:38,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:38,716 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:38,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash -548165623, now seen corresponding path program 5 times [2023-11-29 01:56:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:38,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004340734] [2023-11-29 01:56:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:38,736 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:38,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401217162] [2023-11-29 01:56:38,736 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 01:56:38,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:38,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:38,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:38,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:56:38,892 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-11-29 01:56:38,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:56:38,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:56:38,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:56:38,950 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:56:38,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004340734] [2023-11-29 01:56:38,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401217162] [2023-11-29 01:56:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401217162] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:38,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:38,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-29 01:56:38,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591298143] [2023-11-29 01:56:38,997 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:38,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:56:38,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:56:38,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:56:38,998 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:39,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:39,224 INFO L93 Difference]: Finished difference Result 116 states and 137 transitions. [2023-11-29 01:56:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:56:39,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-11-29 01:56:39,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:39,226 INFO L225 Difference]: With dead ends: 116 [2023-11-29 01:56:39,226 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 01:56:39,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:56:39,227 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 87 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:39,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 52 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:56:39,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 01:56:39,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 67. [2023-11-29 01:56:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 66 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2023-11-29 01:56:39,272 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 28 [2023-11-29 01:56:39,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:39,273 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2023-11-29 01:56:39,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2023-11-29 01:56:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 01:56:39,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:39,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:56:39,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:56:39,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:39,474 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:39,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:39,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1317248173, now seen corresponding path program 6 times [2023-11-29 01:56:39,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:39,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430818078] [2023-11-29 01:56:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:39,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:39,493 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:39,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977966226] [2023-11-29 01:56:39,493 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 01:56:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:39,494 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:39,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:56:39,585 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-11-29 01:56:39,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:56:39,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:56:39,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 01:56:39,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 01:56:39,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:39,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430818078] [2023-11-29 01:56:39,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:39,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977966226] [2023-11-29 01:56:39,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977966226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:39,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:39,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-29 01:56:39,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467936953] [2023-11-29 01:56:39,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:39,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:56:39,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:56:39,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:56:39,690 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:39,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:39,924 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2023-11-29 01:56:39,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:56:39,925 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-11-29 01:56:39,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:39,925 INFO L225 Difference]: With dead ends: 104 [2023-11-29 01:56:39,925 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 01:56:39,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:56:39,926 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 62 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:39,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 79 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:56:39,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 01:56:39,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 56. [2023-11-29 01:56:39,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 55 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2023-11-29 01:56:39,958 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 29 [2023-11-29 01:56:39,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:39,958 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2023-11-29 01:56:39,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:39,958 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2023-11-29 01:56:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 01:56:39,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:39,959 INFO L195 NwaCegarLoop]: trace histogram [2, 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 01:56:39,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 01:56:40,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:40,160 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:40,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:40,160 INFO L85 PathProgramCache]: Analyzing trace with hash 579235790, now seen corresponding path program 1 times [2023-11-29 01:56:40,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:40,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039384777] [2023-11-29 01:56:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:40,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:40,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860243829] [2023-11-29 01:56:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:40,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:40,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:40,184 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:40,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:56:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:40,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-29 01:56:40,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:40,296 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 01:56:40,314 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 19 treesize of output 18 [2023-11-29 01:56:40,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:40,372 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 32 treesize of output 27 [2023-11-29 01:56:40,395 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 31 treesize of output 23 [2023-11-29 01:56:40,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:40,399 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 23 treesize of output 18 [2023-11-29 01:56:40,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:40,445 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 33 treesize of output 24 [2023-11-29 01:56:40,466 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 39 treesize of output 31 [2023-11-29 01:56:40,468 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 15 treesize of output 15 [2023-11-29 01:56:40,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:40,596 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 64 treesize of output 44 [2023-11-29 01:56:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:56:40,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:40,882 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 120 treesize of output 104 [2023-11-29 01:56:43,624 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 101 treesize of output 85 [2023-11-29 01:56:43,774 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 43 treesize of output 39 [2023-11-29 01:56:43,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:43,779 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 167 treesize of output 143 [2023-11-29 01:56:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:56:43,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:43,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039384777] [2023-11-29 01:56:43,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:43,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860243829] [2023-11-29 01:56:43,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860243829] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:43,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:43,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2023-11-29 01:56:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126607942] [2023-11-29 01:56:43,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:43,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 01:56:43,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:43,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 01:56:43,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2023-11-29 01:56:43,809 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 27 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 27 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:56:46,596 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2023-11-29 01:56:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 01:56:46,596 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 27 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-11-29 01:56:46,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:56:46,597 INFO L225 Difference]: With dead ends: 104 [2023-11-29 01:56:46,597 INFO L226 Difference]: Without dead ends: 80 [2023-11-29 01:56:46,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=289, Invalid=1517, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 01:56:46,599 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 85 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:56:46,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 124 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:56:46,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-29 01:56:46,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2023-11-29 01:56:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 52 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2023-11-29 01:56:46,638 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 30 [2023-11-29 01:56:46,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:56:46,638 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2023-11-29 01:56:46,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 27 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:56:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-29 01:56:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 01:56:46,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:56:46,639 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:56:46,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:56:46,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:46,840 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:56:46,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:56:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1122395828, now seen corresponding path program 7 times [2023-11-29 01:56:46,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:56:46,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020196730] [2023-11-29 01:56:46,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:56:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:56:46,864 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:56:46,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1421307872] [2023-11-29 01:56:46,865 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-29 01:56:46,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:56:46,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:56:46,866 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:56:46,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:56:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:56:46,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-29 01:56:46,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:56:47,016 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 01:56:47,039 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 01:56:47,077 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 19 treesize of output 18 [2023-11-29 01:56:47,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:47,111 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 26 treesize of output 28 [2023-11-29 01:56:47,249 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 19 treesize of output 11 [2023-11-29 01:56:47,304 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 19 treesize of output 11 [2023-11-29 01:56:47,348 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 19 treesize of output 11 [2023-11-29 01:56:47,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:47,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 31 [2023-11-29 01:56:47,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:47,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 31 [2023-11-29 01:56:47,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:47,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 31 [2023-11-29 01:56:47,626 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 19 treesize of output 11 [2023-11-29 01:56:47,683 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 19 treesize of output 11 [2023-11-29 01:56:47,732 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 19 treesize of output 11 [2023-11-29 01:56:47,777 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 19 treesize of output 11 [2023-11-29 01:56:47,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:47,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 31 [2023-11-29 01:56:47,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:56:47,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 31 [2023-11-29 01:56:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:56:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:56:48,039 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2023-11-29 01:56:48,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 54 [2023-11-29 01:56:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:56:48,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:56:56,129 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 797 treesize of output 751 [2023-11-29 01:56:56,336 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2023-11-29 01:56:56,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 25201058 treesize of output 23181330 [2023-11-29 01:56:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:56:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:56:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020196730] [2023-11-29 01:56:57,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:56:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421307872] [2023-11-29 01:56:57,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421307872] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:56:57,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:56:57,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25] total 50 [2023-11-29 01:56:57,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791849708] [2023-11-29 01:56:57,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:56:57,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-11-29 01:56:57,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:56:57,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-11-29 01:56:57,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2229, Unknown=0, NotChecked=0, Total=2450 [2023-11-29 01:56:57,712 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:43,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:57:43,976 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2023-11-29 01:57:43,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-29 01:57:43,977 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-29 01:57:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:57:43,978 INFO L225 Difference]: With dead ends: 150 [2023-11-29 01:57:43,978 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 01:57:43,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1687 ImplicationChecksByTransitivity, 31.5s TimeCoverageRelationStatistics Valid=835, Invalid=6821, Unknown=0, NotChecked=0, Total=7656 [2023-11-29 01:57:43,981 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 123 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:57:43,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 286 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 22.9s Time] [2023-11-29 01:57:43,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 01:57:44,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 83. [2023-11-29 01:57:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.2195121951219512) internal successors, (100), 82 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 100 transitions. [2023-11-29 01:57:44,060 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 100 transitions. Word has length 32 [2023-11-29 01:57:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:57:44,060 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 100 transitions. [2023-11-29 01:57:44,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-29 01:57:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:57:44,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:57:44,061 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:57:44,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:57:44,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:57:44,262 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:57:44,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:57:44,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1574688647, now seen corresponding path program 8 times [2023-11-29 01:57:44,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:57:44,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250906209] [2023-11-29 01:57:44,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:57:44,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:57:44,287 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:57:44,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010198921] [2023-11-29 01:57:44,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:57:44,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:57:44,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:57:44,289 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:57:44,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:57:44,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:57:44,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:57:44,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:57:44,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:57:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:57:44,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:57:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:57:44,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:57:44,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250906209] [2023-11-29 01:57:44,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:57:44,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010198921] [2023-11-29 01:57:44,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010198921] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:57:44,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:57:44,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-11-29 01:57:44,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395512152] [2023-11-29 01:57:44,543 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:57:44,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 01:57:44,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:57:44,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 01:57:44,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:57:44,544 INFO L87 Difference]: Start difference. First operand 83 states and 100 transitions. Second operand has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:44,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:57:44,964 INFO L93 Difference]: Finished difference Result 198 states and 234 transitions. [2023-11-29 01:57:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:57:44,965 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2023-11-29 01:57:44,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:57:44,966 INFO L225 Difference]: With dead ends: 198 [2023-11-29 01:57:44,966 INFO L226 Difference]: Without dead ends: 146 [2023-11-29 01:57:44,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:57:44,967 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 69 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:57:44,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 80 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:57:44,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-29 01:57:45,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 116. [2023-11-29 01:57:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.173913043478261) internal successors, (135), 115 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2023-11-29 01:57:45,078 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 33 [2023-11-29 01:57:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:57:45,078 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2023-11-29 01:57:45,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2023-11-29 01:57:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:57:45,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:57:45,079 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:57:45,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:57:45,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 01:57:45,279 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:57:45,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:57:45,280 INFO L85 PathProgramCache]: Analyzing trace with hash 342793661, now seen corresponding path program 9 times [2023-11-29 01:57:45,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:57:45,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831418272] [2023-11-29 01:57:45,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:57:45,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:57:45,301 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:57:45,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719513029] [2023-11-29 01:57:45,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:57:45,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:57:45,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:57:45,302 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:57:45,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:57:45,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 01:57:45,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:57:45,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:57:45,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:57:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:57:45,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:57:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:57:45,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:57:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831418272] [2023-11-29 01:57:45,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:57:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719513029] [2023-11-29 01:57:45,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719513029] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:57:45,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:57:45,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-11-29 01:57:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588367850] [2023-11-29 01:57:45,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:57:45,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 01:57:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:57:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 01:57:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:57:45,581 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:45,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:57:45,996 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2023-11-29 01:57:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:57:45,997 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2023-11-29 01:57:45,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:57:45,997 INFO L225 Difference]: With dead ends: 146 [2023-11-29 01:57:45,998 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 01:57:45,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2023-11-29 01:57:45,999 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 99 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:57:45,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 112 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:57:46,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 01:57:46,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 87. [2023-11-29 01:57:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.127906976744186) internal successors, (97), 86 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2023-11-29 01:57:46,077 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 33 [2023-11-29 01:57:46,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:57:46,077 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2023-11-29 01:57:46,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:57:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2023-11-29 01:57:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 01:57:46,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:57:46,078 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:57:46,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 01:57:46,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 01:57:46,279 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:57:46,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:57:46,279 INFO L85 PathProgramCache]: Analyzing trace with hash -629463552, now seen corresponding path program 10 times [2023-11-29 01:57:46,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:57:46,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745315582] [2023-11-29 01:57:46,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:57:46,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:57:46,306 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:57:46,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848779615] [2023-11-29 01:57:46,307 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 01:57:46,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:57:46,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:57:46,308 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:57:46,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d27e9b-4419-4e92-bfdd-299de1d1fbc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:57:46,544 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 01:57:46,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:57:46,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-29 01:57:46,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:57:46,585 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 01:57:46,609 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 15 treesize of output 11 [2023-11-29 01:57:46,636 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 27 treesize of output 26 [2023-11-29 01:57:46,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:46,677 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 1 case distinctions, treesize of input 38 treesize of output 40 [2023-11-29 01:57:46,738 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:46,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 47 treesize of output 52 [2023-11-29 01:57:46,965 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 23 treesize of output 15 [2023-11-29 01:57:47,032 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 33 treesize of output 21 [2023-11-29 01:57:47,125 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 39 treesize of output 27 [2023-11-29 01:57:47,223 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 44 treesize of output 32 [2023-11-29 01:57:47,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:47,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 41 [2023-11-29 01:57:47,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:47,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 41 [2023-11-29 01:57:47,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:47,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 41 [2023-11-29 01:57:47,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:47,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 41 [2023-11-29 01:57:47,745 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 19 treesize of output 11 [2023-11-29 01:57:47,822 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 19 treesize of output 11 [2023-11-29 01:57:47,879 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 19 treesize of output 11 [2023-11-29 01:57:47,948 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 19 treesize of output 11 [2023-11-29 01:57:48,011 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 19 treesize of output 11 [2023-11-29 01:57:48,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:57:48,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 41 [2023-11-29 01:57:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:57:48,287 INFO L349 Elim1Store]: treesize reduction 42, result has 58.0 percent of original size [2023-11-29 01:57:48,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 50 treesize of output 88 [2023-11-29 01:57:48,536 INFO L349 Elim1Store]: treesize reduction 80, result has 39.8 percent of original size [2023-11-29 01:57:48,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 113 treesize of output 115 [2023-11-29 01:57:49,004 INFO L349 Elim1Store]: treesize reduction 92, result has 30.8 percent of original size [2023-11-29 01:57:49,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 164 treesize of output 134 [2023-11-29 01:57:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:57:49,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:58:35,548 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_295| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (= (select (let ((.cse2 (select (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse0 (let ((.cse3 (let ((.cse5 (let ((.cse7 (select |c_#memory_int#2| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (+ (* 8 |c_ULTIMATE.start_main_~i~0#1|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse7 .cse8 (+ .cse2 (select .cse7 .cse8))))) (.cse6 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse5 .cse6 (+ .cse2 (select .cse5 .cse6))))) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse3 .cse4 (+ .cse2 (select .cse3 .cse4))))) (.cse1 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse0 .cse1 (+ .cse2 (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ (* c_~N~0 2) (* c_~N~0 c_~N~0) 1)) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) is different from false [2023-11-29 02:01:12,480 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse10 (let ((.cse14 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse13 (select (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse11 (select |c_#memory_int#2| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse16 (+ .cse14 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse15 (+ .cse14 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse12 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse11 .cse12 (+ .cse13 (select .cse11 .cse12)))) .cse15 (+ .cse13 (select .cse11 .cse15)))) .cse16 (+ .cse13 (select .cse11 .cse16))))))) (let ((.cse2 (select .cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse3 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (select .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24))) (.cse5 (select .cse10 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse0 (let ((.cse6 (let ((.cse8 (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse2 (* 2 .cse3) .cse4 .cse5))) (.cse9 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse8 .cse9 (+ .cse2 (select .cse8 .cse9) .cse3 .cse4 .cse5)))) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse6 .cse7 (+ .cse2 (select .cse6 .cse7) .cse3 .cse4 .cse5)))) (.cse1 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse0 .cse1 (+ (select .cse0 .cse1) .cse2 .cse3 .cse4 .cse5))))) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ (* c_~N~0 2) (* c_~N~0 c_~N~0) 1)) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) is different from false [2023-11-29 02:04:10,957 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 527 treesize of output 511 [2023-11-29 02:04:11,023 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 02:04:11,025 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 276672120 treesize of output 264951264 [2023-11-29 02:04:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2023-11-29 02:04:11,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:04:11,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745315582] [2023-11-29 02:04:11,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:04:11,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848779615] [2023-11-29 02:04:11,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848779615] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:04:11,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:04:11,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31] total 62 [2023-11-29 02:04:11,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809802779] [2023-11-29 02:04:11,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:04:11,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-11-29 02:04:11,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:04:11,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-11-29 02:04:11,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=3134, Unknown=70, NotChecked=234, Total=3782 [2023-11-29 02:04:11,741 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 62 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:12,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:04:31,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:04:36,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:04:41,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:04:54,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:06,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:14,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:18,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:22,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:26,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:29,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:32,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:36,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:40,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:05:44,334 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse102 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse13 (select |c_#memory_int#2| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse127 (+ .cse102 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse126 (+ .cse102 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse17 (select .cse13 .cse127))) (let ((.cse14 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse38 (* c_~N~0 8)) (.cse59 (store .cse13 .cse127 (+ .cse15 .cse17))) (.cse16 (select .cse13 .cse126))) (let ((.cse87 (store .cse59 .cse126 (+ .cse15 .cse16))) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse18 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse13 (+ (- 16) .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse35 (select .cse13 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 8)))) (.cse88 (= c_~N~0 4)) (.cse3 (select .cse13 .cse14)) (.cse6 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse41 (* .cse6 5)) (.cse63 (* .cse3 5)) (.cse68 (* .cse3 2)) (.cse69 (* .cse3 6)) (.cse47 (* 7 .cse6)) (.cse48 (not .cse88)) (.cse5 (* .cse17 4)) (.cse27 (* 4 .cse35)) (.cse28 (* .cse33 4)) (.cse8 (* .cse15 4)) (.cse36 (* 5 .cse35)) (.cse4 (select .cse13 .cse18)) (.cse20 (* .cse6 2)) (.cse7 (select .cse13 .cse19)) (.cse21 (* 5 .cse17)) (.cse37 (* 5 .cse33)) (.cse22 (* .cse15 5)) (.cse100 (let ((.cse125 (+ .cse102 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse87 .cse125 (+ .cse15 (select .cse13 .cse125))))) (.cse23 (+ (* c_~N~0 2) (* c_~N~0 c_~N~0) 1))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (= (select (let ((.cse2 (* .cse16 4))) (let ((.cse0 (let ((.cse9 (let ((.cse11 (store (store (store (store .cse13 .cse14 (+ .cse15 .cse3 .cse16 .cse17)) .cse18 (+ .cse15 .cse16 .cse4 .cse17)) .cse19 (+ .cse15 .cse16 .cse7 .cse17)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse3 .cse4 .cse20 .cse7 .cse21 .cse22 (* .cse16 5)))) (.cse12 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse11 .cse12 (+ .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (select .cse11 .cse12) .cse8)))) (.cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse9 .cse10 (+ .cse2 (select .cse9 .cse10) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)))) (.cse1 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse0 .cse1 (+ .cse2 .cse3 .cse4 .cse5 .cse6 (select .cse0 .cse1) .cse7 .cse8)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (not (= c_~N~0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)))) (= 5 (select .cse13 24)) (= (select .cse13 8) 5) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse34 (select .cse13 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 24))))) (let ((.cse26 (* .cse34 4))) (let ((.cse24 (let ((.cse29 (let ((.cse31 (store (store (store (store .cse13 .cse14 (+ .cse15 .cse3 .cse33 .cse34 .cse17 .cse35)) .cse18 (+ .cse15 .cse4 .cse33 .cse34 .cse17 .cse35)) .cse19 (+ .cse15 .cse7 .cse33 .cse34 .cse17 .cse35)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse36 .cse3 .cse4 .cse20 (* 5 .cse34) .cse7 .cse21 .cse37 .cse22))) (.cse32 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse31 .cse32 (+ .cse3 .cse4 .cse5 .cse6 .cse26 .cse27 .cse7 .cse28 .cse8 (select .cse31 .cse32))))) (.cse30 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse29 .cse30 (+ (select .cse29 .cse30) .cse3 .cse4 .cse5 .cse6 .cse26 .cse27 .cse7 .cse28 .cse8)))) (.cse25 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse24 .cse25 (+ (select .cse24 .cse25) .cse3 .cse4 .cse5 .cse6 .cse26 .cse27 .cse7 .cse28 .cse8))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (not (= c_~N~0 (+ |c_ULTIMATE.start_main_~i~0#1| 4)))) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse39 (let ((.cse42 (let ((.cse44 (store (let ((.cse46 (+ .cse15 .cse6 4))) (store (store (store .cse13 .cse14 .cse46) .cse18 .cse46) .cse19 .cse46)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ 18 .cse22 .cse47))) (.cse45 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse44 .cse45 (+ .cse41 (select .cse44 .cse45) 15 .cse8)))) (.cse43 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse42 .cse43 (+ .cse41 (select .cse42 .cse43) 15 .cse8)))) (.cse40 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse39 .cse40 (+ (select .cse39 .cse40) .cse41 15 .cse8))) |c_ULTIMATE.start_main_~a~0#1.offset|) 25) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) .cse48 (not (= |c_ULTIMATE.start_main_~i~0#1| 1))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse52 (select .cse59 .cse18)) (.cse51 (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse53 (select .cse59 .cse14)) (.cse54 (select .cse59 .cse19))) (let ((.cse49 (let ((.cse55 (let ((.cse57 (store .cse59 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse52 (* .cse51 2) .cse53 .cse54))) (.cse58 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse57 .cse58 (+ .cse51 .cse52 (select .cse57 .cse58) .cse53 .cse54)))) (.cse56 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse55 .cse56 (+ .cse51 .cse52 .cse53 .cse54 (select .cse55 .cse56))))) (.cse50 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse49 .cse50 (+ (select .cse49 .cse50) .cse51 .cse52 .cse53 .cse54)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or (not (= 3 |c_ULTIMATE.start_main_~i~0#1|)) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= 25 (select (let ((.cse62 (* .cse4 5))) (let ((.cse60 (let ((.cse64 (let ((.cse66 (store (store (store (store .cse13 .cse14 (+ .cse15 .cse4 .cse6 .cse68 1)) .cse18 (+ .cse15 .cse3 .cse6 (* .cse4 2) 1)) .cse19 (+ .cse15 .cse3 .cse4 .cse6 2)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ (* .cse4 6) .cse69 6 .cse22 .cse47))) (.cse67 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse66 .cse67 (+ (select .cse66 .cse67) .cse41 5 .cse62 .cse8 .cse63)))) (.cse65 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse64 .cse65 (+ (select .cse64 .cse65) .cse41 5 .cse62 .cse8 .cse63)))) (.cse61 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse60 .cse61 (+ (select .cse60 .cse61) .cse41 5 .cse62 .cse8 .cse63)))) |c_ULTIMATE.start_main_~a~0#1.offset|)) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) .cse48) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)) (= 25 (select (let ((.cse70 (let ((.cse72 (let ((.cse74 (store (let ((.cse76 (+ .cse15 .cse3 .cse6 3))) (store (store (store .cse13 .cse14 (+ .cse15 .cse6 2 .cse68)) .cse18 .cse76) .cse19 .cse76)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse69 12 .cse22 .cse47))) (.cse75 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse74 .cse75 (+ .cse41 .cse8 10 .cse63 (select .cse74 .cse75))))) (.cse73 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse72 .cse73 (+ .cse41 .cse8 10 .cse63 (select .cse72 .cse73))))) (.cse71 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse70 .cse71 (+ (select .cse70 .cse71) .cse41 .cse8 10 .cse63))) |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse48 (not (= 2 |c_ULTIMATE.start_main_~i~0#1|))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)) (= (select (let ((.cse80 (select .cse87 .cse19)) (.cse79 (select .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse81 (select .cse87 .cse14)) (.cse82 (select .cse87 .cse18))) (let ((.cse77 (let ((.cse83 (let ((.cse85 (store .cse87 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse80 (* .cse79 2) .cse81 .cse82))) (.cse86 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse85 .cse86 (+ .cse79 .cse80 .cse81 (select .cse85 .cse86) .cse82)))) (.cse84 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse83 .cse84 (+ .cse79 (select .cse83 .cse84) .cse80 .cse81 .cse82)))) (.cse78 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse77 .cse78 (+ .cse79 .cse80 .cse81 .cse82 (select .cse77 .cse78))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23))) .cse88 (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (= (select (let ((.cse99 (let ((.cse101 (+ .cse102 |c_ULTIMATE.start_main_~a~0#1.offset| 24))) (store .cse100 .cse101 (+ .cse15 (select .cse13 .cse101)))))) (let ((.cse91 (select .cse99 .cse19)) (.cse94 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse92 (select .cse99 .cse14)) (.cse93 (select .cse99 .cse18))) (let ((.cse89 (let ((.cse95 (let ((.cse97 (store .cse99 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse91 (* 2 .cse94) .cse92 .cse93))) (.cse98 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse97 .cse98 (+ .cse91 .cse92 .cse93 (select .cse97 .cse98) .cse94)))) (.cse96 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse95 .cse96 (+ .cse91 .cse92 (select .cse95 .cse96) .cse93 .cse94)))) (.cse90 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse89 .cse90 (+ .cse91 (select .cse89 .cse90) .cse92 .cse93 .cse94))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (= (select .cse13 16) 5) (or (not (= (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0)) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (= (select (let ((.cse103 (let ((.cse105 (let ((.cse107 (store (store (store (store .cse13 .cse14 (+ .cse15 .cse3 .cse17)) .cse18 (+ .cse15 .cse4 .cse17)) .cse19 (+ .cse15 .cse7 .cse17)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse3 .cse4 .cse20 .cse7 .cse21 .cse22))) (.cse108 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse107 .cse108 (+ .cse3 (select .cse107 .cse108) .cse4 .cse5 .cse6 .cse7 .cse8)))) (.cse106 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse105 .cse106 (+ (select .cse105 .cse106) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)))) (.cse104 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse103 .cse104 (+ .cse3 .cse4 .cse5 .cse6 .cse7 (select .cse103 .cse104) .cse8))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1))))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= .cse15 4) (or (not (= (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse109 (let ((.cse111 (let ((.cse113 (store (store (store (store .cse13 .cse14 (+ .cse15 .cse3 .cse33 .cse17 .cse35)) .cse18 (+ .cse15 .cse4 .cse33 .cse17 .cse35)) .cse19 (+ .cse15 .cse7 .cse33 .cse17 .cse35)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse36 .cse3 .cse4 .cse20 .cse7 .cse21 .cse37 .cse22))) (.cse114 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse113 .cse114 (+ .cse3 (select .cse113 .cse114) .cse4 .cse5 .cse6 .cse27 .cse7 .cse28 .cse8)))) (.cse112 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse111 .cse112 (+ .cse3 .cse4 (select .cse111 .cse112) .cse5 .cse6 .cse27 .cse7 .cse28 .cse8)))) (.cse110 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse109 .cse110 (+ .cse3 .cse4 .cse5 .cse6 .cse27 (select .cse109 .cse110) .cse7 .cse28 .cse8))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1))))) (= 5 (select .cse13 0)) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse117 (select .cse100 .cse14)) (.cse118 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse119 (select .cse100 .cse19)) (.cse120 (select .cse100 .cse18))) (let ((.cse115 (let ((.cse121 (let ((.cse123 (store .cse100 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse117 (* 2 .cse118) .cse119 .cse120))) (.cse124 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse123 .cse124 (+ .cse117 (select .cse123 .cse124) .cse118 .cse119 .cse120)))) (.cse122 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse121 .cse122 (+ .cse117 (select .cse121 .cse122) .cse118 .cse119 .cse120)))) (.cse116 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse115 .cse116 (+ (select .cse115 .cse116) .cse117 .cse118 .cse119 .cse120)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse23) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1))))))))))) is different from true [2023-11-29 02:05:48,365 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse49 (select (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse36 (select |c_#memory_int#2| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse50 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse10 (let ((.cse52 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse36 .cse52 (+ .cse49 (select .cse36 .cse52)))))) (let ((.cse13 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse25 (let ((.cse51 (+ .cse50 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse10 .cse51 (+ .cse49 (select .cse36 .cse51))))) (.cse14 (+ (* c_~N~0 2) (* c_~N~0 c_~N~0) 1))) (and (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse3 (select .cse10 .cse13)) (.cse2 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (select .cse10 .cse12)) (.cse5 (select .cse10 .cse11))) (let ((.cse0 (let ((.cse6 (let ((.cse8 (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse3 (* .cse2 2) .cse4 .cse5))) (.cse9 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse8 .cse9 (+ .cse2 .cse3 (select .cse8 .cse9) .cse4 .cse5)))) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse6 .cse7 (+ .cse2 .cse3 .cse4 .cse5 (select .cse6 .cse7))))) (.cse1 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse0 .cse1 (+ (select .cse0 .cse1) .cse2 .cse3 .cse4 .cse5)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)) (= (select (let ((.cse18 (select .cse25 .cse11)) (.cse17 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (select .cse25 .cse12)) (.cse20 (select .cse25 .cse13))) (let ((.cse15 (let ((.cse21 (let ((.cse23 (store .cse25 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse18 (* .cse17 2) .cse19 .cse20))) (.cse24 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse23 .cse24 (+ .cse17 .cse18 .cse19 (select .cse23 .cse24) .cse20)))) (.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse21 .cse22 (+ .cse17 (select .cse21 .cse22) .cse18 .cse19 .cse20)))) (.cse16 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse15 .cse16 (+ .cse17 .cse18 .cse19 .cse20 (select .cse15 .cse16))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse28 (select .cse36 .cse12)) (.cse29 (select .cse36 .cse13)) (.cse30 (select .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (select .cse36 .cse11))) (let ((.cse26 (let ((.cse32 (let ((.cse34 (store .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse28 .cse29 (* .cse30 2) .cse31))) (.cse35 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse34 .cse35 (+ .cse28 .cse29 .cse30 .cse31 (select .cse34 .cse35))))) (.cse33 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse32 .cse33 (+ .cse28 .cse29 .cse30 .cse31 (select .cse32 .cse33))))) (.cse27 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse26 .cse27 (+ .cse28 .cse29 (select .cse26 .cse27) .cse30 .cse31)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse47 (let ((.cse48 (+ .cse50 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse25 .cse48 (+ .cse49 (select .cse36 .cse48)))))) (let ((.cse39 (select .cse47 .cse12)) (.cse40 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse41 (select .cse47 .cse11)) (.cse42 (select .cse47 .cse13))) (let ((.cse37 (let ((.cse43 (let ((.cse45 (store .cse47 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse39 (* 2 .cse40) .cse41 .cse42))) (.cse46 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse45 .cse46 (+ .cse39 (select .cse45 .cse46) .cse40 .cse41 .cse42)))) (.cse44 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse43 .cse44 (+ .cse39 (select .cse43 .cse44) .cse40 .cse41 .cse42)))) (.cse38 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse37 .cse38 (+ (select .cse37 .cse38) .cse39 .cse40 .cse41 .cse42))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))))))) is different from false [2023-11-29 02:08:37,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:08:41,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:08:44,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:08:48,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:08:52,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:08:56,235 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 (* 8 |c_ULTIMATE.start_main_~i~0#1|)) (.cse25 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (select |c_#memory_int#2| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse23 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse26 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse32 (select .cse11 .cse23)) (.cse2 (select (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse33 (select .cse11 .cse25)) (.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse51 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (select .cse11 .cse51)) (.cse17 (* .cse12 5)) (.cse54 (* .cse33 5)) (.cse18 (* .cse2 4)) (.cse55 (* .cse32 5)) (.cse60 (* .cse32 2)) (.cse61 (* .cse33 2)) (.cse62 (* .cse33 6)) (.cse63 (* .cse32 6)) (.cse27 (* .cse2 5)) (.cse28 (* 7 .cse12)) (.cse39 (* .cse12 2)) (.cse34 (select .cse11 .cse26)) (.cse14 (+ (* c_~N~0 2) (* c_~N~0 c_~N~0) 1)) (.cse29 (not (= c_~N~0 4)))) (and (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse3 (select .cse11 (+ .cse13 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse4 (select .cse11 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset| 24))) (.cse5 (select .cse11 (+ .cse13 16 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse0 (let ((.cse7 (let ((.cse9 (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse2 .cse3 .cse4 .cse12 .cse5 .cse6))) (.cse10 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse9 .cse10 (+ .cse2 .cse3 .cse4 (select .cse9 .cse10) .cse5 .cse6)))) (.cse8 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse7 .cse8 (+ .cse2 .cse3 .cse4 .cse5 .cse6 (select .cse7 .cse8))))) (.cse1 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse0 .cse1 (+ .cse2 .cse3 .cse4 .cse5 .cse6 (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse15 (let ((.cse19 (let ((.cse21 (store (let ((.cse24 (+ .cse2 .cse12 4))) (store (store (store .cse11 .cse23 .cse24) .cse25 .cse24) .cse26 .cse24)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ 18 .cse27 .cse28))) (.cse22 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse21 .cse22 (+ .cse17 (select .cse21 .cse22) 15 .cse18)))) (.cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse19 .cse20 (+ .cse17 (select .cse19 .cse20) 15 .cse18)))) (.cse16 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse15 .cse16 (+ (select .cse15 .cse16) .cse17 15 .cse18))) |c_ULTIMATE.start_main_~a~0#1.offset|) 25) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) .cse29 (not (= |c_ULTIMATE.start_main_~i~0#1| 1))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse30 (let ((.cse35 (let ((.cse37 (store (store (store (store .cse11 .cse23 (+ .cse2 .cse32)) .cse25 (+ .cse2 .cse33)) .cse26 (+ .cse2 .cse34)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse32 .cse33 .cse39 .cse34 .cse27))) (.cse38 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse37 .cse38 (+ .cse32 .cse33 .cse12 (select .cse37 .cse38) .cse34 .cse18)))) (.cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse35 .cse36 (+ .cse32 .cse33 .cse12 .cse34 .cse18 (select .cse35 .cse36))))) (.cse31 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse30 .cse31 (+ .cse32 .cse33 .cse12 .cse34 .cse18 (select .cse30 .cse31)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse50 (store .cse11 .cse51 (+ .cse2 .cse6)))) (let ((.cse43 (select .cse50 .cse25)) (.cse42 (select .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse44 (select .cse50 .cse23)) (.cse45 (select .cse50 .cse26))) (let ((.cse40 (let ((.cse46 (let ((.cse48 (store .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse43 (* .cse42 2) .cse44 .cse45))) (.cse49 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse48 .cse49 (+ .cse42 .cse43 (select .cse48 .cse49) .cse44 .cse45)))) (.cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse46 .cse47 (+ .cse42 .cse43 .cse44 .cse45 (select .cse46 .cse47))))) (.cse41 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse40 .cse41 (+ (select .cse40 .cse41) .cse42 .cse43 .cse44 .cse45))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or (not (= 3 |c_ULTIMATE.start_main_~i~0#1|)) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= 25 (select (let ((.cse52 (let ((.cse56 (let ((.cse58 (store (store (store (store .cse11 .cse23 (+ .cse2 .cse33 .cse12 .cse60 1)) .cse25 (+ .cse2 .cse32 .cse12 .cse61 1)) .cse26 (+ .cse2 .cse32 .cse33 .cse12 2)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse62 .cse63 6 .cse27 .cse28))) (.cse59 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse58 .cse59 (+ (select .cse58 .cse59) .cse17 5 .cse54 .cse18 .cse55)))) (.cse57 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse56 .cse57 (+ (select .cse56 .cse57) .cse17 5 .cse54 .cse18 .cse55)))) (.cse53 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse52 .cse53 (+ (select .cse52 .cse53) .cse17 5 .cse54 .cse18 .cse55))) |c_ULTIMATE.start_main_~a~0#1.offset|)) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) .cse29) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)) (= 25 (select (let ((.cse64 (let ((.cse66 (let ((.cse68 (store (let ((.cse70 (+ .cse2 .cse32 .cse12 3))) (store (store (store .cse11 .cse23 (+ .cse2 .cse12 2 .cse60)) .cse25 .cse70) .cse26 .cse70)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse63 12 .cse27 .cse28))) (.cse69 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse68 .cse69 (+ .cse17 .cse18 10 .cse55 (select .cse68 .cse69))))) (.cse67 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse66 .cse67 (+ .cse17 .cse18 10 .cse55 (select .cse66 .cse67))))) (.cse65 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse64 .cse65 (+ (select .cse64 .cse65) .cse17 .cse18 10 .cse55))) |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse29 (not (= 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (< |c_ULTIMATE.start_main_~i~0#1| 4) .cse29 (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (= (select (let ((.cse73 (* 5 .cse34))) (let ((.cse71 (let ((.cse74 (let ((.cse76 (store (store (store (store .cse11 .cse23 (+ .cse2 .cse33 .cse12 .cse60 .cse34)) .cse25 (+ .cse2 .cse32 .cse12 .cse34 .cse61)) .cse26 (+ .cse2 .cse32 (* 2 .cse34) .cse33 .cse12)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse62 (* 6 .cse34) .cse63 .cse27 .cse28))) (.cse77 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse76 .cse77 (+ (select .cse76 .cse77) .cse73 .cse17 .cse54 .cse18 .cse55)))) (.cse75 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse74 .cse75 (+ .cse73 .cse17 (select .cse74 .cse75) .cse54 .cse18 .cse55)))) (.cse72 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse71 .cse72 (+ (select .cse71 .cse72) .cse73 .cse17 .cse54 .cse18 .cse55)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 25) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1))))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse78 (let ((.cse80 (let ((.cse82 (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse32 .cse33 .cse39 .cse34))) (.cse83 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse82 .cse83 (+ .cse32 .cse33 .cse12 .cse34 (select .cse82 .cse83))))) (.cse81 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse80 .cse81 (+ .cse32 .cse33 .cse12 .cse34 (select .cse80 .cse81))))) (.cse79 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse78 .cse79 (+ .cse32 .cse33 (select .cse78 .cse79) .cse12 .cse34))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or .cse29 (= .cse2 0)))))) is different from false [2023-11-29 02:09:00,251 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse13 (* 8 |c_ULTIMATE.start_main_~i~0#1|)) (.cse25 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (select |c_#memory_int#2| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse23 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse26 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse32 (select .cse11 .cse23)) (.cse2 (select (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse33 (select .cse11 .cse25)) (.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse51 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (select .cse11 .cse51)) (.cse17 (* .cse12 5)) (.cse54 (* .cse33 5)) (.cse18 (* .cse2 4)) (.cse55 (* .cse32 5)) (.cse60 (* .cse32 2)) (.cse61 (* .cse33 2)) (.cse62 (* .cse33 6)) (.cse63 (* .cse32 6)) (.cse27 (* .cse2 5)) (.cse28 (* 7 .cse12)) (.cse39 (* .cse12 2)) (.cse34 (select .cse11 .cse26)) (.cse14 (+ (* c_~N~0 2) (* c_~N~0 c_~N~0) 1)) (.cse29 (not (= c_~N~0 4)))) (and (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse3 (select .cse11 (+ .cse13 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse4 (select .cse11 (+ .cse13 |c_ULTIMATE.start_main_~a~0#1.offset| 24))) (.cse5 (select .cse11 (+ .cse13 16 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse0 (let ((.cse7 (let ((.cse9 (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse2 .cse3 .cse4 .cse12 .cse5 .cse6))) (.cse10 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse9 .cse10 (+ .cse2 .cse3 .cse4 (select .cse9 .cse10) .cse5 .cse6)))) (.cse8 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse7 .cse8 (+ .cse2 .cse3 .cse4 .cse5 .cse6 (select .cse7 .cse8))))) (.cse1 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse0 .cse1 (+ .cse2 .cse3 .cse4 .cse5 .cse6 (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse15 (let ((.cse19 (let ((.cse21 (store (let ((.cse24 (+ .cse2 .cse12 4))) (store (store (store .cse11 .cse23 .cse24) .cse25 .cse24) .cse26 .cse24)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ 18 .cse27 .cse28))) (.cse22 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse21 .cse22 (+ .cse17 (select .cse21 .cse22) 15 .cse18)))) (.cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse19 .cse20 (+ .cse17 (select .cse19 .cse20) 15 .cse18)))) (.cse16 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse15 .cse16 (+ (select .cse15 .cse16) .cse17 15 .cse18))) |c_ULTIMATE.start_main_~a~0#1.offset|) 25) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) .cse29 (not (= |c_ULTIMATE.start_main_~i~0#1| 1))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse30 (let ((.cse35 (let ((.cse37 (store (store (store (store .cse11 .cse23 (+ .cse2 .cse32)) .cse25 (+ .cse2 .cse33)) .cse26 (+ .cse2 .cse34)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse32 .cse33 .cse39 .cse34 .cse27))) (.cse38 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse37 .cse38 (+ .cse32 .cse33 .cse12 (select .cse37 .cse38) .cse34 .cse18)))) (.cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse35 .cse36 (+ .cse32 .cse33 .cse12 .cse34 .cse18 (select .cse35 .cse36))))) (.cse31 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse30 .cse31 (+ .cse32 .cse33 .cse12 .cse34 .cse18 (select .cse30 .cse31)))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse50 (store .cse11 .cse51 (+ .cse2 .cse6)))) (let ((.cse43 (select .cse50 .cse25)) (.cse42 (select .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse44 (select .cse50 .cse23)) (.cse45 (select .cse50 .cse26))) (let ((.cse40 (let ((.cse46 (let ((.cse48 (store .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse43 (* .cse42 2) .cse44 .cse45))) (.cse49 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse48 .cse49 (+ .cse42 .cse43 (select .cse48 .cse49) .cse44 .cse45)))) (.cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse46 .cse47 (+ .cse42 .cse43 .cse44 .cse45 (select .cse46 .cse47))))) (.cse41 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse40 .cse41 (+ (select .cse40 .cse41) .cse42 .cse43 .cse44 .cse45))))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or (not (= 3 |c_ULTIMATE.start_main_~i~0#1|)) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= 25 (select (let ((.cse52 (let ((.cse56 (let ((.cse58 (store (store (store (store .cse11 .cse23 (+ .cse2 .cse33 .cse12 .cse60 1)) .cse25 (+ .cse2 .cse32 .cse12 .cse61 1)) .cse26 (+ .cse2 .cse32 .cse33 .cse12 2)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse62 .cse63 6 .cse27 .cse28))) (.cse59 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse58 .cse59 (+ (select .cse58 .cse59) .cse17 5 .cse54 .cse18 .cse55)))) (.cse57 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse56 .cse57 (+ (select .cse56 .cse57) .cse17 5 .cse54 .cse18 .cse55)))) (.cse53 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse52 .cse53 (+ (select .cse52 .cse53) .cse17 5 .cse54 .cse18 .cse55))) |c_ULTIMATE.start_main_~a~0#1.offset|)) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) .cse29) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)) (= 25 (select (let ((.cse64 (let ((.cse66 (let ((.cse68 (store (let ((.cse70 (+ .cse2 .cse32 .cse12 3))) (store (store (store .cse11 .cse23 (+ .cse2 .cse12 2 .cse60)) .cse25 .cse70) .cse26 .cse70)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse63 12 .cse27 .cse28))) (.cse69 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse68 .cse69 (+ .cse17 .cse18 10 .cse55 (select .cse68 .cse69))))) (.cse67 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse66 .cse67 (+ .cse17 .cse18 10 .cse55 (select .cse66 .cse67))))) (.cse65 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse64 .cse65 (+ (select .cse64 .cse65) .cse17 .cse18 10 .cse55))) |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse29 (not (= 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (< |c_ULTIMATE.start_main_~i~0#1| 4) .cse29 (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (= (select (let ((.cse73 (* 5 .cse34))) (let ((.cse71 (let ((.cse74 (let ((.cse76 (store (store (store (store .cse11 .cse23 (+ .cse2 .cse33 .cse12 .cse60 .cse34)) .cse25 (+ .cse2 .cse32 .cse12 .cse34 .cse61)) .cse26 (+ .cse2 .cse32 (* 2 .cse34) .cse33 .cse12)) |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse62 (* 6 .cse34) .cse63 .cse27 .cse28))) (.cse77 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse76 .cse77 (+ (select .cse76 .cse77) .cse73 .cse17 .cse54 .cse18 .cse55)))) (.cse75 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse74 .cse75 (+ .cse73 .cse17 (select .cse74 .cse75) .cse54 .cse18 .cse55)))) (.cse72 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse71 .cse72 (+ (select .cse71 .cse72) .cse73 .cse17 .cse54 .cse18 .cse55)))) |c_ULTIMATE.start_main_~a~0#1.offset|) 25) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1))))) (forall ((|v_ULTIMATE.start_main_~i~0#1_293| Int) (|v_ULTIMATE.start_main_~i~0#1_295| Int) (|v_ULTIMATE.start_main_~i~0#1_294| Int)) (or (= (select (let ((.cse78 (let ((.cse80 (let ((.cse82 (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse32 .cse33 .cse39 .cse34))) (.cse83 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_295|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse82 .cse83 (+ .cse32 .cse33 .cse12 .cse34 (select .cse82 .cse83))))) (.cse81 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 |v_ULTIMATE.start_main_~i~0#1_294|)))) (store .cse80 .cse81 (+ .cse32 .cse33 .cse12 .cse34 (select .cse80 .cse81))))) (.cse79 (+ (* 8 |v_ULTIMATE.start_main_~i~0#1_293|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store .cse78 .cse79 (+ .cse32 .cse33 (select .cse78 .cse79) .cse12 .cse34))) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse14) (< |v_ULTIMATE.start_main_~i~0#1_294| (+ |v_ULTIMATE.start_main_~i~0#1_295| 1)) (< |v_ULTIMATE.start_main_~i~0#1_295| 1) (< |v_ULTIMATE.start_main_~i~0#1_293| (+ |v_ULTIMATE.start_main_~i~0#1_294| 1)))) (or .cse29 (= .cse2 0)))))) is different from true [2023-11-29 02:09:02,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:06,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:11,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:15,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:19,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:23,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:27,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:31,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:35,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:39,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:41,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:45,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:49,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:53,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:09:57,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-29 02:10:01,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1]