./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/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_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array7_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/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_2cb4c55d-8f4a-4839-a116-769522e0d97b/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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:20:41,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:20:41,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 20:20:41,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:20:41,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:20:41,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:20:41,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:20:41,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:20:41,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:20:41,246 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:20:41,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:20:41,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:20:41,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:20:41,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:20:41,249 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:20:41,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:20:41,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:20:41,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:20:41,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:20:41,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:20:41,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:20:41,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:20:41,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:20:41,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:20:41,255 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:20:41,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:20:41,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:20:41,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:20:41,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:20:41,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:20:41,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:20:41,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:20:41,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:20:41,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:20:41,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:20:41,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:20:41,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:20:41,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:20:41,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:20:41,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:20:41,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:20:41,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:20:41,261 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_2cb4c55d-8f4a-4839-a116-769522e0d97b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2023-11-28 20:20:41,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:20:41,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:20:41,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:20:41,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:20:41,538 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:20:41,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-patterns/array7_pattern.c [2023-11-28 20:20:44,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:20:44,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:20:44,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/sv-benchmarks/c/array-patterns/array7_pattern.c [2023-11-28 20:20:44,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/data/4f17d6089/0e06515d03a84ce59be96e96dcf6cfae/FLAG554e684bb [2023-11-28 20:20:44,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/data/4f17d6089/0e06515d03a84ce59be96e96dcf6cfae [2023-11-28 20:20:44,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:20:44,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:20:44,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:20:44,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:20:44,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:20:44,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143deadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44, skipping insertion in model container [2023-11-28 20:20:44,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:20:44,656 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_2cb4c55d-8f4a-4839-a116-769522e0d97b/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2023-11-28 20:20:44,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:20:44,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:20:44,700 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_2cb4c55d-8f4a-4839-a116-769522e0d97b/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2023-11-28 20:20:44,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:20:44,726 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:20:44,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44 WrapperNode [2023-11-28 20:20:44,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:20:44,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:20:44,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:20:44,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:20:44,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,761 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2023-11-28 20:20:44,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:20:44,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:20:44,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:20:44,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:20:44,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,790 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2023-11-28 20:20:44,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:20:44,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:20:44,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:20:44,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:20:44,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:20:44,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:20:44,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:20:44,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:20:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:20:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:20:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:20:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:20:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 20:20:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 20:20:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 20:20:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 20:20:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 20:20:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 20:20:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:20:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:20:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 20:20:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 20:20:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 20:20:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 20:20:44,951 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:20:44,953 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:20:45,115 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:20:45,145 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:20:45,145 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-28 20:20:45,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:45 BoogieIcfgContainer [2023-11-28 20:20:45,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:20:45,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:20:45,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:20:45,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:20:45,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:20:44" (1/3) ... [2023-11-28 20:20:45,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e895e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:45, skipping insertion in model container [2023-11-28 20:20:45,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44" (2/3) ... [2023-11-28 20:20:45,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e895e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:45, skipping insertion in model container [2023-11-28 20:20:45,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:45" (3/3) ... [2023-11-28 20:20:45,155 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2023-11-28 20:20:45,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:20:45,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:20:45,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:20:45,231 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;@1d51a532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:20:45,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:20:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:20:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-28 20:20:45,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:45,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:45,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:45,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash -7457711, now seen corresponding path program 1 times [2023-11-28 20:20:45,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:45,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938264485] [2023-11-28 20:20:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:45,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:45,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:20:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:20:45,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:45,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938264485] [2023-11-28 20:20:45,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938264485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:45,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:45,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:20:45,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497551004] [2023-11-28 20:20:45,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:45,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:20:45,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:45,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:20:45,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:20:45,480 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 20:20:45,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:45,510 INFO L93 Difference]: Finished difference Result 40 states and 62 transitions. [2023-11-28 20:20:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:20:45,512 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-28 20:20:45,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:45,525 INFO L225 Difference]: With dead ends: 40 [2023-11-28 20:20:45,525 INFO L226 Difference]: Without dead ends: 19 [2023-11-28 20:20:45,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:20:45,531 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:45,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:20:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-28 20:20:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-28 20:20:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:20:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2023-11-28 20:20:45,568 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 14 [2023-11-28 20:20:45,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:45,569 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-28 20:20:45,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 20:20:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-28 20:20:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-28 20:20:45,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:45,571 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:45,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:20:45,572 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:45,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:45,573 INFO L85 PathProgramCache]: Analyzing trace with hash -856934570, now seen corresponding path program 1 times [2023-11-28 20:20:45,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170440494] [2023-11-28 20:20:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:20:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-28 20:20:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-28 20:20:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:20:45,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:45,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170440494] [2023-11-28 20:20:45,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170440494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:45,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:45,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:20:45,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156772611] [2023-11-28 20:20:45,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:45,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:20:45,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:45,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:20:45,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:20:45,852 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-28 20:20:45,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:45,890 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2023-11-28 20:20:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:20:45,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2023-11-28 20:20:45,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:45,892 INFO L225 Difference]: With dead ends: 24 [2023-11-28 20:20:45,892 INFO L226 Difference]: Without dead ends: 20 [2023-11-28 20:20:45,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:20:45,895 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:45,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:20:45,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-11-28 20:20:45,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-28 20:20:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:20:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-11-28 20:20:45,902 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 26 [2023-11-28 20:20:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:45,904 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-28 20:20:45,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-28 20:20:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-28 20:20:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-28 20:20:45,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:45,905 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:45,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:20:45,906 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:45,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:45,907 INFO L85 PathProgramCache]: Analyzing trace with hash -765856431, now seen corresponding path program 1 times [2023-11-28 20:20:45,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:45,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773363942] [2023-11-28 20:20:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:20:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-28 20:20:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-28 20:20:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:20:46,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773363942] [2023-11-28 20:20:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773363942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:46,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:20:46,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935686490] [2023-11-28 20:20:46,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:46,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:20:46,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:46,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:20:46,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:20:46,062 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-28 20:20:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:46,105 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2023-11-28 20:20:46,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:20:46,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2023-11-28 20:20:46,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:46,107 INFO L225 Difference]: With dead ends: 37 [2023-11-28 20:20:46,107 INFO L226 Difference]: Without dead ends: 21 [2023-11-28 20:20:46,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:20:46,109 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 13 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:46,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 53 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:20:46,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-28 20:20:46,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-28 20:20:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:20:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2023-11-28 20:20:46,117 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 27 [2023-11-28 20:20:46,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:46,117 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-11-28 20:20:46,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-28 20:20:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-28 20:20:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-28 20:20:46,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:46,119 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:46,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:20:46,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:46,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1693469014, now seen corresponding path program 1 times [2023-11-28 20:20:46,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:46,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426966552] [2023-11-28 20:20:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:46,140 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:20:46,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38763348] [2023-11-28 20:20:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:46,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:20:46,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:20:46,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:20:46,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:20:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:46,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:20:46,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:20:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-28 20:20:46,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:20:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-28 20:20:46,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:46,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426966552] [2023-11-28 20:20:46,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:20:46,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38763348] [2023-11-28 20:20:46,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38763348] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:20:46,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:20:46,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2023-11-28 20:20:46,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47221129] [2023-11-28 20:20:46,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:20:46,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-28 20:20:46,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:46,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-28 20:20:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-28 20:20:46,692 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 15 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-28 20:20:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:46,924 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-11-28 20:20:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-28 20:20:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 28 [2023-11-28 20:20:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:46,926 INFO L225 Difference]: With dead ends: 63 [2023-11-28 20:20:46,926 INFO L226 Difference]: Without dead ends: 33 [2023-11-28 20:20:46,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2023-11-28 20:20:46,928 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 23 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:46,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 116 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:20:46,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-28 20:20:46,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2023-11-28 20:20:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:20:46,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-11-28 20:20:46,935 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 28 [2023-11-28 20:20:46,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:46,935 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-11-28 20:20:46,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-28 20:20:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-28 20:20:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-28 20:20:46,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:46,937 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:46,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-28 20:20:47,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:20:47,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:47,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1532817290, now seen corresponding path program 2 times [2023-11-28 20:20:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:47,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990870211] [2023-11-28 20:20:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:47,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:20:47,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361516770] [2023-11-28 20:20:47,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 20:20:47,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:20:47,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:20:47,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:20:47,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 20:20:47,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-28 20:20:47,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 20:20:47,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:20:47,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:20:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-28 20:20:47,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:20:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:20:47,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:47,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990870211] [2023-11-28 20:20:47,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:20:47,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361516770] [2023-11-28 20:20:47,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361516770] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:20:47,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:20:47,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2023-11-28 20:20:47,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942710149] [2023-11-28 20:20:47,408 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:20:47,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 20:20:47,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 20:20:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:20:47,411 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-28 20:20:47,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:47,531 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2023-11-28 20:20:47,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 20:20:47,533 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 30 [2023-11-28 20:20:47,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:47,534 INFO L225 Difference]: With dead ends: 33 [2023-11-28 20:20:47,535 INFO L226 Difference]: Without dead ends: 29 [2023-11-28 20:20:47,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:20:47,536 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:47,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 87 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:20:47,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-28 20:20:47,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-28 20:20:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:20:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-11-28 20:20:47,545 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 30 [2023-11-28 20:20:47,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:47,545 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-11-28 20:20:47,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-28 20:20:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-28 20:20:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-28 20:20:47,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:47,547 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] [2023-11-28 20:20:47,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 20:20:47,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:20:47,753 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:47,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash 801599978, now seen corresponding path program 3 times [2023-11-28 20:20:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:47,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761466160] [2023-11-28 20:20:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:47,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:47,771 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:20:47,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609771219] [2023-11-28 20:20:47,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-28 20:20:47,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:20:47,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:20:47,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:20:47,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 20:20:47,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-28 20:20:47,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 20:20:47,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-28 20:20:48,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:20:48,081 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 [2023-11-28 20:20:48,095 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 [2023-11-28 20:20:48,145 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 [2023-11-28 20:20:48,155 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 20 [2023-11-28 20:20:48,245 INFO L349 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2023-11-28 20:20:48,245 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 3 case distinctions, treesize of input 36 treesize of output 36 [2023-11-28 20:20:48,281 INFO L349 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2023-11-28 20:20:48,282 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 3 case distinctions, treesize of input 32 treesize of output 34 [2023-11-28 20:20:51,389 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-28 20:20:51,390 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 2 case distinctions, treesize of input 526 treesize of output 475 [2023-11-28 20:20:52,152 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-28 20:20:52,152 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 2 case distinctions, treesize of input 522 treesize of output 471 [2023-11-28 20:20:52,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:53,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:53,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:53,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:53,197 INFO L224 Elim1Store]: Index analysis took 494 ms [2023-11-28 20:20:53,288 INFO L349 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2023-11-28 20:20:53,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 7 select indices, 7 select index equivalence classes, 32 disjoint index pairs (out of 21 index pairs), introduced 15 new quantified variables, introduced 7 case distinctions, treesize of input 435 treesize of output 1573 [2023-11-28 20:20:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:55,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:20:55,498 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:20:55,801 INFO L224 Elim1Store]: Index analysis took 876 ms [2023-11-28 20:20:57,900 INFO L349 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2023-11-28 20:20:57,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 8 select indices, 8 select index equivalence classes, 32 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 977 treesize of output 927 [2023-11-28 20:20:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:20:58,697 INFO L224 Elim1Store]: Index analysis took 482 ms [2023-11-28 20:20:59,641 INFO L349 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2023-11-28 20:20:59,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 8 select indices, 8 select index equivalence classes, 26 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 2 case distinctions, treesize of input 1204 treesize of output 1718 [2023-11-28 20:21:02,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:21:02,561 INFO L224 Elim1Store]: Index analysis took 276 ms [2023-11-28 20:21:02,754 INFO L349 Elim1Store]: treesize reduction 167, result has 0.6 percent of original size [2023-11-28 20:21:02,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 12 stores, 8 select indices, 8 select index equivalence classes, 41 disjoint index pairs (out of 28 index pairs), introduced 20 new quantified variables, introduced 9 case distinctions, treesize of input 905 treesize of output 2885 [2023-11-28 20:22:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:22:47,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:22:47,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:22:47,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:22:47,892 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:22:47,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:22:48,749 INFO L224 Elim1Store]: Index analysis took 3744 ms [2023-11-28 20:22:56,107 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-28 20:22:56,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 11 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 831 treesize of output 2953 [2023-11-28 20:23:02,990 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-28 20:23:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:29,858 INFO L224 Elim1Store]: Index analysis took 253 ms [2023-11-28 20:23:29,992 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2023-11-28 20:23:29,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 187 [2023-11-28 20:23:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:30,723 INFO L224 Elim1Store]: Index analysis took 387 ms [2023-11-28 20:23:31,270 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-28 20:23:31,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 402 treesize of output 470 [2023-11-28 20:23:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:32,399 INFO L224 Elim1Store]: Index analysis took 724 ms [2023-11-28 20:23:36,470 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |#memory_int#1| |ULTIMATE.start_main_~#array1~0#1.base|)) (.cse1 (* v_z_256 4)) (.cse2 (* 17179869184 v_y_256))) (= (select .cse0 (+ .cse1 (* 17179869184 v_y_29) .cse2)) (select .cse0 (+ (* 17179869184 v_y_294) .cse1 (* 17179869180 v_z_294) (- 34359738368) .cse2)))) [2023-11-28 20:23:36,863 INFO L349 Elim1Store]: treesize reduction 163, result has 0.6 percent of original size [2023-11-28 20:23:36,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 653 treesize of output 981 [2023-11-28 20:23:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:37,737 INFO L224 Elim1Store]: Index analysis took 483 ms [2023-11-28 20:23:38,216 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2023-11-28 20:23:38,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 27 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 1131 treesize of output 1149 [2023-11-28 20:23:38,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:38,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 161 treesize of output 119 [2023-11-28 20:24:04,832 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 483 treesize of output 443 [2023-11-28 20:24:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:05,391 INFO L224 Elim1Store]: Index analysis took 405 ms [2023-11-28 20:24:06,406 INFO L349 Elim1Store]: treesize reduction 8, result has 92.5 percent of original size [2023-11-28 20:24:06,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 179 treesize of output 169 [2023-11-28 20:24:06,492 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 342 treesize of output 304 [2023-11-28 20:24:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:24:06,870 INFO L224 Elim1Store]: Index analysis took 268 ms [2023-11-28 20:24:07,932 INFO L349 Elim1Store]: treesize reduction 8, result has 92.5 percent of original size [2023-11-28 20:24:07,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 208 treesize of output 220 [2023-11-28 20:24:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-28 20:24:20,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:37,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:37,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761466160] [2023-11-28 20:24:37,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:24:37,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609771219] [2023-11-28 20:24:37,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609771219] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:24:37,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:24:37,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2023-11-28 20:24:37,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258557637] [2023-11-28 20:24:37,582 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:24:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-28 20:24:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-28 20:24:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=803, Unknown=3, NotChecked=0, Total=930 [2023-11-28 20:24:37,584 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:24:43,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:24:54,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:24:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:55,719 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2023-11-28 20:24:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-28 20:24:55,719 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2023-11-28 20:24:55,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:55,721 INFO L225 Difference]: With dead ends: 51 [2023-11-28 20:24:55,721 INFO L226 Difference]: Without dead ends: 47 [2023-11-28 20:24:55,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 40.5s TimeCoverageRelationStatistics Valid=205, Invalid=1273, Unknown=4, NotChecked=0, Total=1482 [2023-11-28 20:24:55,722 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 20 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:55,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 162 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 277 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2023-11-28 20:24:55,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-28 20:24:55,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2023-11-28 20:24:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-28 20:24:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-11-28 20:24:55,745 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 32 [2023-11-28 20:24:55,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:55,745 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-28 20:24:55,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 20:24:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-28 20:24:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-28 20:24:55,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:55,746 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] [2023-11-28 20:24:55,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 20:24:55,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-28 20:24:55,947 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:55,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:55,948 INFO L85 PathProgramCache]: Analyzing trace with hash -890892995, now seen corresponding path program 4 times [2023-11-28 20:24:55,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:55,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512754494] [2023-11-28 20:24:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:55,959 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:24:55,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951599580] [2023-11-28 20:24:55,960 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-28 20:24:55,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:24:55,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:24:55,961 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:24:55,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 20:24:56,059 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-28 20:24:56,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 20:24:56,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:24:56,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-28 20:24:56,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:24:56,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:56,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512754494] [2023-11-28 20:24:56,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:24:56,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951599580] [2023-11-28 20:24:56,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951599580] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:24:56,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:24:56,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-11-28 20:24:56,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971745560] [2023-11-28 20:24:56,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:24:56,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-28 20:24:56,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:56,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-28 20:24:56,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-28 20:24:56,285 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-28 20:24:56,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:56,493 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2023-11-28 20:24:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-28 20:24:56,494 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2023-11-28 20:24:56,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:56,495 INFO L225 Difference]: With dead ends: 86 [2023-11-28 20:24:56,495 INFO L226 Difference]: Without dead ends: 76 [2023-11-28 20:24:56,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:24:56,496 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 58 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:56,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 108 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:24:56,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-28 20:24:56,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 64. [2023-11-28 20:24:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-28 20:24:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2023-11-28 20:24:56,522 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 33 [2023-11-28 20:24:56,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:56,522 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2023-11-28 20:24:56,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-28 20:24:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2023-11-28 20:24:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-28 20:24:56,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:56,524 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:56,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 20:24:56,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:24:56,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:56,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:56,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1855039446, now seen corresponding path program 5 times [2023-11-28 20:24:56,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:56,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104799892] [2023-11-28 20:24:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:56,735 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:24:56,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041477716] [2023-11-28 20:24:56,736 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-28 20:24:56,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:24:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:24:56,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:24:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb4c55d-8f4a-4839-a116-769522e0d97b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 20:24:57,653 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-11-28 20:24:57,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 20:24:57,656 WARN L260 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 87 conjunts are in the unsatisfiable core [2023-11-28 20:24:57,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:57,712 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 [2023-11-28 20:24:57,722 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 [2023-11-28 20:24:57,764 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 [2023-11-28 20:24:57,773 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 20 [2023-11-28 20:24:57,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:57,839 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 28 treesize of output 32 [2023-11-28 20:24:57,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:57,860 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 [2023-11-28 20:24:57,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:57,931 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 33 treesize of output 38 [2023-11-28 20:24:57,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:57,952 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 37 treesize of output 44 [2023-11-28 20:25:00,418 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-28 20:25:00,418 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 2 case distinctions, treesize of input 516 treesize of output 461 [2023-11-28 20:25:01,357 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-28 20:25:01,357 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 2 case distinctions, treesize of input 536 treesize of output 481 [2023-11-28 20:25:02,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:02,714 INFO L224 Elim1Store]: Index analysis took 460 ms [2023-11-28 20:25:02,889 INFO L349 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2023-11-28 20:25:02,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 16 new quantified variables, introduced 12 case distinctions, treesize of input 438 treesize of output 1566 [2023-11-28 20:25:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:04,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:25:05,055 INFO L224 Elim1Store]: Index analysis took 553 ms [2023-11-28 20:25:05,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:06,449 INFO L349 Elim1Store]: treesize reduction 470, result has 0.2 percent of original size [2023-11-28 20:25:06,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 9 select indices, 9 select index equivalence classes, 47 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 728 treesize of output 1094 [2023-11-28 20:25:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:07,665 INFO L224 Elim1Store]: Index analysis took 203 ms [2023-11-28 20:25:07,756 INFO L349 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2023-11-28 20:25:07,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 16 new quantified variables, introduced 12 case distinctions, treesize of input 424 treesize of output 1552 [2023-11-28 20:25:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,601 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:25:58,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:25:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:58,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:25:58,971 INFO L224 Elim1Store]: Index analysis took 2131 ms [2023-11-28 20:25:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:25:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,151 INFO L349 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2023-11-28 20:26:02,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 8 select indices, 8 select index equivalence classes, 51 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 430 treesize of output 871 [2023-11-28 20:26:02,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:03,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:26:03,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:26:04,086 INFO L224 Elim1Store]: Index analysis took 1351 ms [2023-11-28 20:26:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:04,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:05,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:05,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:06,816 INFO L349 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2023-11-28 20:26:06,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 8 select indices, 8 select index equivalence classes, 51 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 408 treesize of output 873 [2023-11-28 20:26:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:08,790 INFO L224 Elim1Store]: Index analysis took 1339 ms [2023-11-28 20:26:09,778 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2023-11-28 20:26:09,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 10 select indices, 10 select index equivalence classes, 49 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 534 treesize of output 670 [2023-11-28 20:26:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:10,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 20:26:10,861 INFO L224 Elim1Store]: Index analysis took 592 ms [2023-11-28 20:26:10,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:11,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:26:11,608 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-28 20:26:11,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 7 select indices, 7 select index equivalence classes, 33 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 497 treesize of output 614 [2023-11-28 20:26:21,407 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:26:49,297 WARN L293 SmtUtils]: Spent 9.64s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:27:00,917 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:27:13,151 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 433 treesize of output 403 [2023-11-28 20:27:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:14,368 INFO L224 Elim1Store]: Index analysis took 711 ms [2023-11-28 20:27:18,042 INFO L349 Elim1Store]: treesize reduction 22, result has 74.7 percent of original size [2023-11-28 20:27:18,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 167 [2023-11-28 20:27:18,089 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 627 treesize of output 571 [2023-11-28 20:27:18,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:27:18,405 INFO L224 Elim1Store]: Index analysis took 222 ms [2023-11-28 20:27:19,274 INFO L349 Elim1Store]: treesize reduction 30, result has 65.5 percent of original size [2023-11-28 20:27:19,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 240 treesize of output 238 [2023-11-28 20:27:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-28 20:27:21,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:28:35,121 WARN L876 $PredicateComparison]: unable to prove that (or (let ((.cse43 (* |c_ULTIMATE.start_main_~count~0#1| |c_ULTIMATE.start_main_~num~0#1|)) (.cse42 (* |c_ULTIMATE.start_main_~count~0#1| 4)) (.cse44 (* (+ |c_ULTIMATE.start_main_~count~0#1| 1) |c_ULTIMATE.start_main_~num~0#1|))) (let ((.cse5 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 12)) (.cse3 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 12)) (.cse6 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (.cse4 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse1 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (.cse13 (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse42) .cse43) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse42 4) .cse44)) (.cse8 (store (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#array1~0#1.base|) (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse42) (* |c_ULTIMATE.start_main_~num~0#1| .cse43)) (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse42 4) (* .cse44 |c_ULTIMATE.start_main_~num~0#1|)))) (and (forall ((v_z_680 Int) (v_y_680 Int) (v_z_683 Int) (v_y_674 Int) (v_y_683 Int)) (let ((.cse17 (* v_y_674 4294967296)) (.cse18 (* v_z_680 18446744065119617025)) (.cse19 (* 18446744069414584320 v_y_680)) (.cse20 (* v_y_683 4294967296))) (let ((.cse16 (+ v_z_683 .cse20)) (.cse21 (+ .cse17 .cse18 .cse19)) (.cse14 (* 4294967295 v_z_680)) (.cse15 (* v_y_680 4294967296))) (or (= (let ((.cse12 (* v_z_680 4)) (.cse9 (* v_z_683 4)) (.cse10 (* 17179869184 v_y_680)) (.cse11 (* 17179869180 v_z_680))) (let ((.cse2 (store .cse13 (+ .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse13 (+ .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse12)) (select .cse13 (+ .cse9 .cse10 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse11))))) (.cse0 (store .cse8 (+ .cse9 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse8 (+ .cse9 .cse10 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse11)) (select .cse8 (+ .cse9 |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse12)))))) (+ (select .cse0 .cse1) (select .cse2 .cse3) (select .cse0 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse2 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse2 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse0 .cse5) (select .cse2 .cse6) (select .cse0 .cse7)))) 0) (< (+ v_z_683 .cse14 .cse15) 4294967296) (< 32767 .cse16) (< c_~ARR_SIZE~0 (+ .cse17 .cse18 v_z_683 .cse19 .cse20 1)) (< v_z_680 0) (< .cse21 1) (< .cse16 .cse21) (< 4294967295 (+ .cse14 .cse15)) (< 2147483647 (+ v_z_683 v_z_680)))))) (forall ((v_z_680 Int) (v_y_680 Int) (v_z_686 Int) (v_y_674 Int) (v_y_686 Int)) (let ((.cse40 (* 17179869184 v_y_680)) (.cse41 (* 17179869180 v_z_680)) (.cse32 (* v_z_686 4)) (.cse25 (* v_y_674 4294967296)) (.cse26 (* v_z_680 18446744065119617025)) (.cse27 (* 18446744069414584320 v_y_680)) (.cse28 (* v_y_686 4294967296))) (let ((.cse24 (+ v_z_686 .cse28)) (.cse37 (+ .cse25 .cse26 .cse27)) (.cse22 (* 4294967295 v_z_680)) (.cse23 (* v_y_680 4294967296)) (.cse35 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse32)) (.cse36 (select .cse8 (+ .cse40 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse41 .cse32))) (.cse31 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse32)) (.cse33 (* v_z_680 4)) (.cse34 (select .cse13 (+ .cse40 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse41 .cse32)))) (or (< (+ v_z_686 .cse22 .cse23) 4294967296) (< 2147483647 (+ v_z_686 v_z_680)) (< 32767 .cse24) (< v_z_680 0) (< c_~ARR_SIZE~0 (+ .cse25 .cse26 v_z_686 .cse27 .cse28 1)) (= (let ((.cse29 (store .cse8 .cse35 (+ .cse36 (select .cse8 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse32 .cse33))))) (.cse30 (store .cse13 .cse31 (+ (select .cse13 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse32 .cse33)) .cse34)))) (+ (select .cse29 .cse7) (select .cse30 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse29 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse30 .cse3) (select .cse29 .cse1) (select .cse29 .cse5) (select .cse30 .cse4) (select .cse30 .cse6))) 0) (< .cse37 1) (< .cse24 .cse37) (< 4294967295 (+ .cse22 .cse23)) (= (let ((.cse39 (store .cse13 .cse31 (+ (select .cse13 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse32 .cse33)) .cse34))) (.cse38 (store .cse8 .cse35 (+ .cse36 (select .cse8 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse32 .cse33)))))) (+ (select .cse38 .cse5) (select .cse39 .cse3) (select .cse39 .cse6) |c_ULTIMATE.start_main_~sum~0#1| (select .cse39 .cse4) (select .cse39 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse38 .cse1) (select .cse38 .cse7) (select .cse38 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) 0)))))))) (not (= (+ |c_ULTIMATE.start_main_~count~0#1| 2) c_~ARR_SIZE~0))) is different from true [2023-11-28 20:29:02,955 WARN L293 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:29:03,053 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 3033 treesize of output 2985 [2023-11-28 20:29:03,070 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 2985 treesize of output 2937