./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:18,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:18,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:06:18,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:18,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:18,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:18,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:18,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:18,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:18,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:18,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:18,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:18,795 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:18,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:18,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:18,797 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:18,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:18,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:18,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:18,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:18,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:18,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:18,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:18,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:18,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:18,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:18,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:18,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:18,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:18,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:18,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:18,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:18,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:18,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:18,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:18,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:18,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:18,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:18,809 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:18,810 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_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2023-11-06 22:06:19,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:19,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:19,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:19,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:19,084 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:19,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2023-11-06 22:06:22,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:22,764 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:22,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2023-11-06 22:06:22,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/data/2d25a107a/45b3cb5184f744a7b324d179cfa77789/FLAG8894c0a41 [2023-11-06 22:06:22,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/data/2d25a107a/45b3cb5184f744a7b324d179cfa77789 [2023-11-06 22:06:22,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:22,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:22,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:22,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:22,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:22,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cd2861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22, skipping insertion in model container [2023-11-06 22:06:22,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:23,622 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[44118,44131] [2023-11-06 22:06:23,647 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[44660,44673] [2023-11-06 22:06:23,767 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[56247,56260] [2023-11-06 22:06:23,769 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[56368,56381] [2023-11-06 22:06:23,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:23,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:23,857 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[44118,44131] [2023-11-06 22:06:23,864 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[44660,44673] [2023-11-06 22:06:23,967 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[56247,56260] [2023-11-06 22:06:23,968 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_676cbab2-e443-4bea-966d-8a8a323269bb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i[56368,56381] [2023-11-06 22:06:23,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:24,074 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:24,082 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:24,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24 WrapperNode [2023-11-06 22:06:24,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:24,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:24,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:24,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:24,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,230 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-06 22:06:24,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:24,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:24,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:24,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:24,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:24,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:24,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:24,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:24,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (1/1) ... [2023-11-06 22:06:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:24,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:24,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:06:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:06:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:06:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:06:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-06 22:06:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-06 22:06:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:06:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:06:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:06:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-06 22:06:24,508 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-06 22:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-06 22:06:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-06 22:06:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:24,794 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:24,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:26,542 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:26,558 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:26,559 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-06 22:06:26,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:26 BoogieIcfgContainer [2023-11-06 22:06:26,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:26,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:26,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:26,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:26,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:22" (1/3) ... [2023-11-06 22:06:26,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6c1d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:26, skipping insertion in model container [2023-11-06 22:06:26,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:24" (2/3) ... [2023-11-06 22:06:26,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6c1d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:26, skipping insertion in model container [2023-11-06 22:06:26,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:26" (3/3) ... [2023-11-06 22:06:26,573 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-1.i [2023-11-06 22:06:26,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:26,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 22:06:26,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:26,671 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=LoopsAndPotentialCycles, 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;@1e294f83, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:26,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 22:06:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 371 states have (on average 1.6657681940700808) internal successors, (618), 375 states have internal predecessors, (618), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:06:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:06:26,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:26,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:26,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:26,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:26,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1053908008, now seen corresponding path program 1 times [2023-11-06 22:06:26,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:26,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624154572] [2023-11-06 22:06:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:26,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:26,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624154572] [2023-11-06 22:06:26,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624154572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:26,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:26,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:26,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805947036] [2023-11-06 22:06:26,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:26,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:26,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:27,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:27,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:27,044 INFO L87 Difference]: Start difference. First operand has 393 states, 371 states have (on average 1.6657681940700808) internal successors, (618), 375 states have internal predecessors, (618), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:27,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:27,135 INFO L93 Difference]: Finished difference Result 781 states and 1296 transitions. [2023-11-06 22:06:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:06:27,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:06:27,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:27,155 INFO L225 Difference]: With dead ends: 781 [2023-11-06 22:06:27,156 INFO L226 Difference]: Without dead ends: 386 [2023-11-06 22:06:27,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:27,166 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:27,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:27,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-11-06 22:06:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2023-11-06 22:06:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 365 states have (on average 1.484931506849315) internal successors, (542), 370 states have internal predecessors, (542), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 567 transitions. [2023-11-06 22:06:27,247 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 567 transitions. Word has length 8 [2023-11-06 22:06:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:27,247 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 567 transitions. [2023-11-06 22:06:27,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 567 transitions. [2023-11-06 22:06:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:06:27,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:27,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:27,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:06:27,249 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:27,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:27,250 INFO L85 PathProgramCache]: Analyzing trace with hash -719765386, now seen corresponding path program 1 times [2023-11-06 22:06:27,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:27,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288454879] [2023-11-06 22:06:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:27,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:27,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288454879] [2023-11-06 22:06:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288454879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:27,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827546420] [2023-11-06 22:06:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:27,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:27,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:27,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:27,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:27,477 INFO L87 Difference]: Start difference. First operand 386 states and 567 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:28,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:28,047 INFO L93 Difference]: Finished difference Result 861 states and 1284 transitions. [2023-11-06 22:06:28,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:28,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-06 22:06:28,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:28,054 INFO L225 Difference]: With dead ends: 861 [2023-11-06 22:06:28,054 INFO L226 Difference]: Without dead ends: 669 [2023-11-06 22:06:28,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:28,056 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 420 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:28,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1566 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:06:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-11-06 22:06:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 388. [2023-11-06 22:06:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 367 states have (on average 1.4822888283378746) internal successors, (544), 372 states have internal predecessors, (544), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 569 transitions. [2023-11-06 22:06:28,123 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 569 transitions. Word has length 10 [2023-11-06 22:06:28,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:28,124 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 569 transitions. [2023-11-06 22:06:28,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 569 transitions. [2023-11-06 22:06:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:06:28,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:28,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:28,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:06:28,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:28,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 669380872, now seen corresponding path program 1 times [2023-11-06 22:06:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871087073] [2023-11-06 22:06:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:28,172 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765670777] [2023-11-06 22:06:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:28,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:28,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:28,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:06:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:28,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:28,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:28,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:28,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871087073] [2023-11-06 22:06:28,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:28,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765670777] [2023-11-06 22:06:28,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765670777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:28,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:28,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:28,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185566844] [2023-11-06 22:06:28,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:28,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:28,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:28,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:28,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:28,510 INFO L87 Difference]: Start difference. First operand 388 states and 569 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:28,604 INFO L93 Difference]: Finished difference Result 793 states and 1165 transitions. [2023-11-06 22:06:28,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:28,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 22:06:28,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:28,608 INFO L225 Difference]: With dead ends: 793 [2023-11-06 22:06:28,608 INFO L226 Difference]: Without dead ends: 409 [2023-11-06 22:06:28,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:28,611 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 9 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:28,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1079 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:28,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-11-06 22:06:28,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2023-11-06 22:06:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 387 states have (on average 1.4573643410852712) internal successors, (564), 392 states have internal predecessors, (564), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 589 transitions. [2023-11-06 22:06:28,630 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 589 transitions. Word has length 66 [2023-11-06 22:06:28,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:28,631 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 589 transitions. [2023-11-06 22:06:28,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 589 transitions. [2023-11-06 22:06:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:06:28,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:28,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:28,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:28,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:28,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:28,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash 421234378, now seen corresponding path program 1 times [2023-11-06 22:06:28,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:28,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836482903] [2023-11-06 22:06:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:28,886 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:28,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753161023] [2023-11-06 22:06:28,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:28,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:28,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:06:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:29,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:29,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:29,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:29,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:29,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836482903] [2023-11-06 22:06:29,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:29,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753161023] [2023-11-06 22:06:29,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753161023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:29,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:29,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:29,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034868510] [2023-11-06 22:06:29,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:29,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:29,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:29,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:29,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:29,202 INFO L87 Difference]: Start difference. First operand 408 states and 589 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:29,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:29,307 INFO L93 Difference]: Finished difference Result 799 states and 1161 transitions. [2023-11-06 22:06:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:29,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 22:06:29,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:29,311 INFO L225 Difference]: With dead ends: 799 [2023-11-06 22:06:29,311 INFO L226 Difference]: Without dead ends: 395 [2023-11-06 22:06:29,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:29,313 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 165 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:29,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1466 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:29,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-06 22:06:29,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2023-11-06 22:06:29,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 373 states have (on average 1.4557640750670242) internal successors, (543), 378 states have internal predecessors, (543), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 568 transitions. [2023-11-06 22:06:29,329 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 568 transitions. Word has length 66 [2023-11-06 22:06:29,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:29,329 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 568 transitions. [2023-11-06 22:06:29,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 568 transitions. [2023-11-06 22:06:29,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:06:29,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:29,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:29,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:29,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:29,566 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:29,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash 125739260, now seen corresponding path program 1 times [2023-11-06 22:06:29,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:29,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436969513] [2023-11-06 22:06:29,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:29,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:29,598 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:29,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549885391] [2023-11-06 22:06:29,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:29,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:29,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:29,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:29,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:06:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:29,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:06:29,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:29,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:29,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436969513] [2023-11-06 22:06:29,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549885391] [2023-11-06 22:06:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549885391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:29,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:29,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:06:29,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953208644] [2023-11-06 22:06:29,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:29,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:06:29,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:29,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:06:29,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:29,979 INFO L87 Difference]: Start difference. First operand 394 states and 568 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:30,610 INFO L93 Difference]: Finished difference Result 833 states and 1198 transitions. [2023-11-06 22:06:30,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:06:30,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 22:06:30,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:30,619 INFO L225 Difference]: With dead ends: 833 [2023-11-06 22:06:30,620 INFO L226 Difference]: Without dead ends: 443 [2023-11-06 22:06:30,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:30,622 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 23 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:30,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3264 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:06:30,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-11-06 22:06:30,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2023-11-06 22:06:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 413 states have (on average 1.430992736077482) internal successors, (591), 418 states have internal predecessors, (591), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 616 transitions. [2023-11-06 22:06:30,644 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 616 transitions. Word has length 66 [2023-11-06 22:06:30,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:30,646 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 616 transitions. [2023-11-06 22:06:30,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2023-11-06 22:06:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:06:30,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:30,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:30,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:30,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:30,859 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:30,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:30,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2132253304, now seen corresponding path program 1 times [2023-11-06 22:06:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:30,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695759056] [2023-11-06 22:06:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:30,906 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:30,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939707363] [2023-11-06 22:06:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:30,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:30,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:30,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:30,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:06:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:31,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:06:31,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:31,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:31,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:31,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695759056] [2023-11-06 22:06:31,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:31,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939707363] [2023-11-06 22:06:31,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939707363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:31,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:31,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:06:31,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800854915] [2023-11-06 22:06:31,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:31,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:06:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:31,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:06:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:06:31,587 INFO L87 Difference]: Start difference. First operand 434 states and 616 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:32,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:32,270 INFO L93 Difference]: Finished difference Result 882 states and 1256 transitions. [2023-11-06 22:06:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:06:32,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-06 22:06:32,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:32,274 INFO L225 Difference]: With dead ends: 882 [2023-11-06 22:06:32,274 INFO L226 Difference]: Without dead ends: 452 [2023-11-06 22:06:32,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:06:32,280 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 47 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:32,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 2788 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:06:32,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2023-11-06 22:06:32,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 444. [2023-11-06 22:06:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 423 states have (on average 1.4349881796690307) internal successors, (607), 428 states have internal predecessors, (607), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 632 transitions. [2023-11-06 22:06:32,302 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 632 transitions. Word has length 67 [2023-11-06 22:06:32,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:32,303 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 632 transitions. [2023-11-06 22:06:32,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 632 transitions. [2023-11-06 22:06:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:06:32,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:32,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:32,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:32,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:32,512 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:32,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:32,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1157269209, now seen corresponding path program 1 times [2023-11-06 22:06:32,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:32,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756906710] [2023-11-06 22:06:32,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:32,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:32,554 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:32,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2086010888] [2023-11-06 22:06:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:32,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:32,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:32,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:32,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:06:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:06:33,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:33,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:33,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:33,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756906710] [2023-11-06 22:06:33,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:33,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086010888] [2023-11-06 22:06:33,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086010888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:33,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:33,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:06:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868745047] [2023-11-06 22:06:33,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:33,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:06:33,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:06:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:33,610 INFO L87 Difference]: Start difference. First operand 444 states and 632 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:34,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:34,239 INFO L93 Difference]: Finished difference Result 457 states and 645 transitions. [2023-11-06 22:06:34,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:06:34,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-06 22:06:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:34,245 INFO L225 Difference]: With dead ends: 457 [2023-11-06 22:06:34,245 INFO L226 Difference]: Without dead ends: 455 [2023-11-06 22:06:34,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:06:34,247 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1027 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:34,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 2678 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:06:34,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-11-06 22:06:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 454. [2023-11-06 22:06:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 430 states have (on average 1.430232558139535) internal successors, (615), 436 states have internal predecessors, (615), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:06:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 642 transitions. [2023-11-06 22:06:34,269 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 642 transitions. Word has length 68 [2023-11-06 22:06:34,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:34,270 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 642 transitions. [2023-11-06 22:06:34,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 642 transitions. [2023-11-06 22:06:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:06:34,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:34,272 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:34,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:34,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:34,480 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:34,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1358139019, now seen corresponding path program 1 times [2023-11-06 22:06:34,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:34,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521248029] [2023-11-06 22:06:34,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:34,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:34,531 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:34,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717491252] [2023-11-06 22:06:34,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:34,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:34,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:34,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:34,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:06:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:06:34,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:35,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:35,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:35,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521248029] [2023-11-06 22:06:35,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:35,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717491252] [2023-11-06 22:06:35,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717491252] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:35,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:06:35,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-06 22:06:35,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659044060] [2023-11-06 22:06:35,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:35,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:06:35,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:35,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:06:35,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:06:35,278 INFO L87 Difference]: Start difference. First operand 454 states and 642 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:06:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:35,521 INFO L93 Difference]: Finished difference Result 1911 states and 2739 transitions. [2023-11-06 22:06:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:35,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2023-11-06 22:06:35,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:35,534 INFO L225 Difference]: With dead ends: 1911 [2023-11-06 22:06:35,534 INFO L226 Difference]: Without dead ends: 1461 [2023-11-06 22:06:35,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:06:35,537 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 2081 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:35,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 3263 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:35,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2023-11-06 22:06:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1244. [2023-11-06 22:06:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1203 states have (on average 1.4455527847049043) internal successors, (1739), 1211 states have internal predecessors, (1739), 25 states have call successors, (25), 12 states have call predecessors, (25), 12 states have return successors, (25), 20 states have call predecessors, (25), 23 states have call successors, (25) [2023-11-06 22:06:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1789 transitions. [2023-11-06 22:06:35,607 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1789 transitions. Word has length 83 [2023-11-06 22:06:35,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:35,608 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 1789 transitions. [2023-11-06 22:06:35,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:06:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1789 transitions. [2023-11-06 22:06:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:06:35,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:35,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:35,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:35,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:06:35,822 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:35,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:35,823 INFO L85 PathProgramCache]: Analyzing trace with hash -582271386, now seen corresponding path program 1 times [2023-11-06 22:06:35,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:35,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760190613] [2023-11-06 22:06:35,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:35,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:35,870 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:35,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142939121] [2023-11-06 22:06:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:35,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:35,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:35,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:06:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:36,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:06:36,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:36,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:36,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760190613] [2023-11-06 22:06:36,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:36,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142939121] [2023-11-06 22:06:36,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142939121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:36,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:36,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:36,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722997793] [2023-11-06 22:06:36,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:36,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:36,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:36,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:36,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:36,229 INFO L87 Difference]: Start difference. First operand 1244 states and 1789 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:36,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:36,292 INFO L93 Difference]: Finished difference Result 2487 states and 3580 transitions. [2023-11-06 22:06:36,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:36,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:06:36,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:36,301 INFO L225 Difference]: With dead ends: 2487 [2023-11-06 22:06:36,301 INFO L226 Difference]: Without dead ends: 1247 [2023-11-06 22:06:36,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:36,305 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:36,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1113 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:36,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2023-11-06 22:06:36,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1247. [2023-11-06 22:06:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1206 states have (on average 1.4444444444444444) internal successors, (1742), 1214 states have internal predecessors, (1742), 25 states have call successors, (25), 12 states have call predecessors, (25), 12 states have return successors, (25), 20 states have call predecessors, (25), 23 states have call successors, (25) [2023-11-06 22:06:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1792 transitions. [2023-11-06 22:06:36,362 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1792 transitions. Word has length 81 [2023-11-06 22:06:36,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:36,363 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1792 transitions. [2023-11-06 22:06:36,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1792 transitions. [2023-11-06 22:06:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:06:36,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:36,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:36,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:36,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:06:36,572 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:36,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:36,572 INFO L85 PathProgramCache]: Analyzing trace with hash -189244376, now seen corresponding path program 1 times [2023-11-06 22:06:36,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:36,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869213138] [2023-11-06 22:06:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:36,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:36,616 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:36,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123690950] [2023-11-06 22:06:36,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:36,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:36,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:36,618 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:36,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:06:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:36,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:06:36,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:37,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:37,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:37,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869213138] [2023-11-06 22:06:37,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:37,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123690950] [2023-11-06 22:06:37,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123690950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:37,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:37,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:37,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13755716] [2023-11-06 22:06:37,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:37,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:37,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:37,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:37,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:37,201 INFO L87 Difference]: Start difference. First operand 1247 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:37,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:37,406 INFO L93 Difference]: Finished difference Result 2876 states and 4189 transitions. [2023-11-06 22:06:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:37,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:06:37,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:37,419 INFO L225 Difference]: With dead ends: 2876 [2023-11-06 22:06:37,419 INFO L226 Difference]: Without dead ends: 1633 [2023-11-06 22:06:37,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:37,423 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 347 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:37,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1261 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:37,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2023-11-06 22:06:37,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1284. [2023-11-06 22:06:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 1255 states have (on average 1.4637450199203188) internal successors, (1837), 1261 states have internal predecessors, (1837), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:06:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1869 transitions. [2023-11-06 22:06:37,487 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1869 transitions. Word has length 81 [2023-11-06 22:06:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:37,487 INFO L495 AbstractCegarLoop]: Abstraction has 1284 states and 1869 transitions. [2023-11-06 22:06:37,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1869 transitions. [2023-11-06 22:06:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 22:06:37,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:37,490 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:37,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:37,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:06:37,699 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:37,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:37,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1992988458, now seen corresponding path program 1 times [2023-11-06 22:06:37,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:37,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995073262] [2023-11-06 22:06:37,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:37,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:37,751 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:37,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353248790] [2023-11-06 22:06:37,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:37,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:37,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:37,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:06:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:38,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:06:38,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:38,206 INFO L351 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 [2023-11-06 22:06:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:38,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:38,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:38,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995073262] [2023-11-06 22:06:38,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:38,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353248790] [2023-11-06 22:06:38,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353248790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:38,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:38,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:38,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112164412] [2023-11-06 22:06:38,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:38,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:38,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:38,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:38,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:38,224 INFO L87 Difference]: Start difference. First operand 1284 states and 1869 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:38,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:38,588 INFO L93 Difference]: Finished difference Result 1633 states and 2399 transitions. [2023-11-06 22:06:38,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:38,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 119 [2023-11-06 22:06:38,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:38,599 INFO L225 Difference]: With dead ends: 1633 [2023-11-06 22:06:38,599 INFO L226 Difference]: Without dead ends: 1620 [2023-11-06 22:06:38,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:38,601 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 408 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:38,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1559 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:06:38,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2023-11-06 22:06:38,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1288. [2023-11-06 22:06:38,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1259 states have (on average 1.4622716441620334) internal successors, (1841), 1265 states have internal predecessors, (1841), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:06:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1873 transitions. [2023-11-06 22:06:38,706 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1873 transitions. Word has length 119 [2023-11-06 22:06:38,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:38,707 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1873 transitions. [2023-11-06 22:06:38,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1873 transitions. [2023-11-06 22:06:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-06 22:06:38,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:38,709 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:38,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:38,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:06:38,917 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:38,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:38,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1547361620, now seen corresponding path program 1 times [2023-11-06 22:06:38,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:38,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083398600] [2023-11-06 22:06:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:38,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:38,981 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:38,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194963453] [2023-11-06 22:06:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:38,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:38,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:39,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:06:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:39,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:06:39,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:06:39,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:39,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:39,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083398600] [2023-11-06 22:06:39,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:39,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194963453] [2023-11-06 22:06:39,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194963453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:39,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:39,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:39,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884909927] [2023-11-06 22:06:39,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:39,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:06:39,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:39,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:06:39,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:39,616 INFO L87 Difference]: Start difference. First operand 1288 states and 1873 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:06:39,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:39,776 INFO L93 Difference]: Finished difference Result 2385 states and 3479 transitions. [2023-11-06 22:06:39,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:06:39,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2023-11-06 22:06:39,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:39,785 INFO L225 Difference]: With dead ends: 2385 [2023-11-06 22:06:39,785 INFO L226 Difference]: Without dead ends: 1288 [2023-11-06 22:06:39,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:06:39,789 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 128 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:39,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 2124 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2023-11-06 22:06:39,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2023-11-06 22:06:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1259 states have (on average 1.4622716441620334) internal successors, (1841), 1265 states have internal predecessors, (1841), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:06:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1872 transitions. [2023-11-06 22:06:39,855 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1872 transitions. Word has length 130 [2023-11-06 22:06:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:39,855 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1872 transitions. [2023-11-06 22:06:39,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:06:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1872 transitions. [2023-11-06 22:06:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:06:39,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:39,859 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:39,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:40,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:06:40,073 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:40,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:40,073 INFO L85 PathProgramCache]: Analyzing trace with hash -644976245, now seen corresponding path program 1 times [2023-11-06 22:06:40,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:40,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090607959] [2023-11-06 22:06:40,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:40,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:40,171 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:40,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328534421] [2023-11-06 22:06:40,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:40,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:40,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,173 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:40,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:06:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:40,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:06:40,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 22:06:40,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:40,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:40,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090607959] [2023-11-06 22:06:40,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:40,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328534421] [2023-11-06 22:06:40,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328534421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:40,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:40,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:06:40,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546491759] [2023-11-06 22:06:40,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:40,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:06:40,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:40,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:06:40,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:40,998 INFO L87 Difference]: Start difference. First operand 1288 states and 1872 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:06:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:41,202 INFO L93 Difference]: Finished difference Result 2393 states and 3490 transitions. [2023-11-06 22:06:41,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:06:41,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 135 [2023-11-06 22:06:41,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:41,214 INFO L225 Difference]: With dead ends: 2393 [2023-11-06 22:06:41,214 INFO L226 Difference]: Without dead ends: 1293 [2023-11-06 22:06:41,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:06:41,217 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 16 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:41,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3793 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:41,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2023-11-06 22:06:41,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1293. [2023-11-06 22:06:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1263 states have (on average 1.46159936658749) internal successors, (1846), 1270 states have internal predecessors, (1846), 16 states have call successors, (16), 9 states have call predecessors, (16), 10 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:06:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1878 transitions. [2023-11-06 22:06:41,297 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1878 transitions. Word has length 135 [2023-11-06 22:06:41,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:41,298 INFO L495 AbstractCegarLoop]: Abstraction has 1293 states and 1878 transitions. [2023-11-06 22:06:41,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:06:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1878 transitions. [2023-11-06 22:06:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:06:41,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:41,301 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:41,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:41,511 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:41,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:41,511 INFO L85 PathProgramCache]: Analyzing trace with hash -324838863, now seen corresponding path program 1 times [2023-11-06 22:06:41,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:41,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591875501] [2023-11-06 22:06:41,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:41,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:41,574 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:41,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890602603] [2023-11-06 22:06:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:41,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:41,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,576 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:06:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:42,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 193 conjunts are in the unsatisfiable core [2023-11-06 22:06:42,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:42,376 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:06:42,376 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 22:06:42,388 INFO L351 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 [2023-11-06 22:06:42,471 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:06:42,471 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 22:06:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:42,631 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 22:06:45,250 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:45,250 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 105 [2023-11-06 22:06:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 22:06:45,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:45,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:45,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591875501] [2023-11-06 22:06:45,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890602603] [2023-11-06 22:06:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890602603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:45,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:06:45,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557287723] [2023-11-06 22:06:45,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:45,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:06:45,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:45,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:06:45,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:06:45,742 INFO L87 Difference]: Start difference. First operand 1293 states and 1878 transitions. Second operand has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:06:51,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:51,928 INFO L93 Difference]: Finished difference Result 2925 states and 4241 transitions. [2023-11-06 22:06:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:06:51,929 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 137 [2023-11-06 22:06:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:51,939 INFO L225 Difference]: With dead ends: 2925 [2023-11-06 22:06:51,939 INFO L226 Difference]: Without dead ends: 1759 [2023-11-06 22:06:51,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:06:51,943 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 1538 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:51,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 4713 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-06 22:06:51,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-11-06 22:06:52,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1300. [2023-11-06 22:06:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1270 states have (on average 1.4590551181102362) internal successors, (1853), 1277 states have internal predecessors, (1853), 16 states have call successors, (16), 9 states have call predecessors, (16), 10 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:06:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1885 transitions. [2023-11-06 22:06:52,011 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1885 transitions. Word has length 137 [2023-11-06 22:06:52,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:52,011 INFO L495 AbstractCegarLoop]: Abstraction has 1300 states and 1885 transitions. [2023-11-06 22:06:52,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:06:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1885 transitions. [2023-11-06 22:06:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:06:52,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:52,014 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:52,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:52,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:06:52,225 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:06:52,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash 58565973, now seen corresponding path program 1 times [2023-11-06 22:06:52,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:52,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113058445] [2023-11-06 22:06:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:52,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:52,287 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:52,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376535354] [2023-11-06 22:06:52,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:52,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:52,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:52,289 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:52,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:06:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 162 conjunts are in the unsatisfiable core [2023-11-06 22:06:53,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:53,063 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:06:53,063 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 22:06:53,075 INFO L351 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 [2023-11-06 22:06:53,138 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:06:53,139 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 22:06:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:53,301 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 22:06:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:53,308 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:06:54,533 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 22:06:54,534 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 22:06:54,624 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:06:54,809 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 22:06:55,449 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:06:55,449 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2023-11-06 22:06:55,647 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:55,648 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1694 treesize of output 1434 [2023-11-06 22:06:55,679 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:55,680 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1641 treesize of output 1385 [2023-11-06 22:06:55,716 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 22:06:55,717 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1207 treesize of output 893 [2023-11-06 22:06:55,738 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2023-11-06 22:06:55,745 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-11-06 22:06:55,756 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-06 22:06:55,822 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:55,823 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 2913 treesize of output 2396 [2023-11-06 22:06:55,868 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:55,869 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3072 treesize of output 2527 [2023-11-06 22:06:55,903 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:55,904 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1512 treesize of output 1265 [2023-11-06 22:06:55,944 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:55,944 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1432 treesize of output 1224 [2023-11-06 22:06:55,977 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:55,978 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1485 treesize of output 1273 [2023-11-06 22:06:56,003 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,003 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1029 treesize of output 1 [2023-11-06 22:06:56,052 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,053 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1694 treesize of output 1434 [2023-11-06 22:06:56,085 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,086 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1641 treesize of output 1385 [2023-11-06 22:06:56,114 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,114 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1207 treesize of output 1 [2023-11-06 22:06:56,138 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,139 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1138 treesize of output 1 [2023-11-06 22:06:56,168 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,169 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1625 treesize of output 1375 [2023-11-06 22:06:56,198 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,199 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1572 treesize of output 1326 [2023-11-06 22:06:56,248 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:56,249 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3225 treesize of output 2630 [2023-11-06 22:06:56,295 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:56,296 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3384 treesize of output 2761 [2023-11-06 22:06:56,355 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:56,356 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1662 treesize of output 1390 [2023-11-06 22:06:56,396 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:56,397 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1787 treesize of output 1491 [2023-11-06 22:06:56,435 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:56,436 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3406 treesize of output 2771 [2023-11-06 22:06:56,478 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:56,479 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3552 treesize of output 2893 [2023-11-06 22:06:56,521 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:56,521 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1581 treesize of output 1323 [2023-11-06 22:06:56,570 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:56,571 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3303 treesize of output 2694 [2023-11-06 22:06:56,609 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:56,609 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3144 treesize of output 2563 [2023-11-06 22:06:56,637 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,638 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1134 treesize of output 1 [2023-11-06 22:06:56,670 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,671 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1621 treesize of output 1373 [2023-11-06 22:06:56,704 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,705 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1568 treesize of output 1324 [2023-11-06 22:06:56,741 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,742 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1499 treesize of output 1265 [2023-11-06 22:06:56,776 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,777 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1552 treesize of output 1314 [2023-11-06 22:06:56,800 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,801 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1065 treesize of output 1 [2023-11-06 22:06:56,836 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,836 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1412 treesize of output 1212 [2023-11-06 22:06:56,865 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,866 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1359 treesize of output 1163 [2023-11-06 22:06:56,890 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,891 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 956 treesize of output 1 [2023-11-06 22:06:56,915 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:56,916 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1134 treesize of output 1 [2023-11-06 22:06:56,945 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,946 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1621 treesize of output 1373 [2023-11-06 22:06:56,971 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:56,972 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1568 treesize of output 1324 [2023-11-06 22:06:57,004 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:57,005 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1431 treesize of output 1198 [2023-11-06 22:06:57,055 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,056 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 2991 treesize of output 2460 [2023-11-06 22:06:57,091 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,091 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 2832 treesize of output 2329 [2023-11-06 22:06:57,176 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,177 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3471 treesize of output 2826 [2023-11-06 22:06:57,211 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:57,212 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1706 treesize of output 1424 [2023-11-06 22:06:57,253 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,254 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3325 treesize of output 2704 [2023-11-06 22:06:57,289 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:57,289 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1138 treesize of output 1 [2023-11-06 22:06:57,319 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,320 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1572 treesize of output 1326 [2023-11-06 22:06:57,352 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,353 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1625 treesize of output 1375 [2023-11-06 22:06:57,380 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:57,380 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1316 treesize of output 1 [2023-11-06 22:06:57,413 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,414 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1834 treesize of output 1536 [2023-11-06 22:06:57,443 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1781 treesize of output 1487 [2023-11-06 22:06:57,496 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,496 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3384 treesize of output 2761 [2023-11-06 22:06:57,535 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,536 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3225 treesize of output 2630 [2023-11-06 22:06:57,570 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:57,571 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1660 treesize of output 1369 [2023-11-06 22:06:57,610 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:57,610 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 1483 [2023-11-06 22:06:57,658 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,659 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3696 treesize of output 2995 [2023-11-06 22:06:57,703 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,704 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3537 treesize of output 2864 [2023-11-06 22:06:57,731 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:57,732 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1316 treesize of output 1 [2023-11-06 22:06:57,762 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,763 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1834 treesize of output 1536 [2023-11-06 22:06:57,794 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,795 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1781 treesize of output 1487 [2023-11-06 22:06:57,827 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:57,828 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1247 treesize of output 1 [2023-11-06 22:06:57,859 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,859 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1712 treesize of output 1428 [2023-11-06 22:06:57,892 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:57,893 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1765 treesize of output 1477 [2023-11-06 22:06:57,984 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:57,985 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3864 treesize of output 3127 [2023-11-06 22:06:58,042 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,043 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3718 treesize of output 3005 [2023-11-06 22:06:58,088 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:58,089 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1922 treesize of output 1584 [2023-11-06 22:06:58,149 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:58,150 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1817 treesize of output 1501 [2023-11-06 22:06:58,209 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,210 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3442 treesize of output 2787 [2023-11-06 22:06:58,278 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,279 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3588 treesize of output 2909 [2023-11-06 22:06:58,332 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:58,333 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1897 treesize of output 1581 [2023-11-06 22:06:58,377 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:06:58,378 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2227 treesize of output 1893 [2023-11-06 22:06:58,406 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:58,407 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1378 treesize of output 1007 [2023-11-06 22:06:58,458 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,459 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3375 treesize of output 2818 [2023-11-06 22:06:58,520 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,521 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3732 treesize of output 3013 [2023-11-06 22:06:58,561 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:58,562 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1936 treesize of output 1592 [2023-11-06 22:06:58,606 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:58,606 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1966 treesize of output 1640 [2023-11-06 22:06:58,639 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:58,639 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1447 treesize of output 1066 [2023-11-06 22:06:58,672 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:06:58,673 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2296 treesize of output 1952 [2023-11-06 22:06:58,736 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,737 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3148 treesize of output 2653 [2023-11-06 22:06:58,795 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:06:58,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3420 treesize of output 2779 [2023-11-06 22:06:58,866 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:06:58,867 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1801 treesize of output 1499 [2023-11-06 22:06:58,909 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:58,909 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1757 treesize of output 1479 [2023-11-06 22:06:58,939 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:58,940 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1269 treesize of output 932 [2023-11-06 22:06:58,973 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:06:58,974 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2040 treesize of output 1756 [2023-11-06 22:06:59,019 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:06:59,020 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1966 treesize of output 1640 [2023-11-06 22:06:59,051 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:06:59,052 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1447 treesize of output 1066 [2023-11-06 22:06:59,086 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:06:59,087 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2296 treesize of output 1952 [2023-11-06 22:06:59,370 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2023-11-06 22:06:59,410 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 22:06:59,411 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 22:06:59,446 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:06:59,595 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:06:59,595 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 363 [2023-11-06 22:06:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:06:59,610 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 168 [2023-11-06 22:06:59,627 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 55 [2023-11-06 22:06:59,632 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 22:06:59,636 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 22:06:59,657 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:06:59,658 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 364 treesize of output 262 [2023-11-06 22:06:59,673 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 22:06:59,674 INFO L351 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 136 [2023-11-06 22:06:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:07:00,043 INFO L322 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2023-11-06 22:07:00,043 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 87 [2023-11-06 22:07:00,075 INFO L322 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2023-11-06 22:07:00,076 INFO L351 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 5 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 111 [2023-11-06 22:07:00,473 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 22:07:00,473 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 214 treesize of output 139 [2023-11-06 22:07:00,511 INFO L322 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2023-11-06 22:07:00,511 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 167 treesize of output 140 [2023-11-06 22:07:00,974 INFO L322 Elim1Store]: treesize reduction 94, result has 5.1 percent of original size [2023-11-06 22:07:00,975 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 367 treesize of output 241 [2023-11-06 22:07:00,989 INFO L322 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-06 22:07:00,989 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 186 [2023-11-06 22:07:01,030 INFO L322 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2023-11-06 22:07:01,031 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 192 treesize of output 120 [2023-11-06 22:07:01,064 INFO L322 Elim1Store]: treesize reduction 35, result has 12.5 percent of original size [2023-11-06 22:07:01,064 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 119 [2023-11-06 22:07:01,076 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 29 [2023-11-06 22:07:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:01,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:01,239 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse2 (select |c_#memory_$Pointer$.offset| .cse1)) (.cse5 (select |c_#memory_$Pointer$.base| .cse1)) (.cse6 (* .cse0 12)) (.cse7 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11))) (and (or (< 2147483647 .cse0) (let ((.cse3 (+ .cse6 .cse7 4)) (.cse4 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 (store .cse2 .cse3 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse1) .cse4) 0)) (forall ((v_ArrVal_2963 (Array Int Int))) (or (not (= (store .cse5 .cse3 (select v_ArrVal_2963 .cse3)) v_ArrVal_2963)) (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse1) .cse4) 0))))))) (or (let ((.cse9 (+ (- 51539607552) .cse6 .cse7)) (.cse8 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 (store .cse2 .cse8 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse1) .cse9) 0)) (forall ((v_ArrVal_2963 (Array Int Int))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse1) .cse9) 0)) (not (= v_ArrVal_2963 (store .cse5 .cse8 (select v_ArrVal_2963 .cse8)))))))) (< .cse0 2147483648))))))) is different from false [2023-11-06 22:07:01,340 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse5 (select |c_#memory_$Pointer$.offset| .cse3)) (.cse1 (select |c_#memory_$Pointer$.base| .cse3)) (.cse6 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< .cse0 2147483648) (let ((.cse2 (+ .cse6 (- 51539607548) .cse7)) (.cse4 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_2963 (Array Int Int))) (or (not (= v_ArrVal_2963 (store .cse1 .cse2 (select v_ArrVal_2963 .cse2)))) (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse3) .cse4) 0)))) (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 (store .cse5 .cse2 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse3) .cse4) 0))))) (or (let ((.cse9 (+ .cse6 .cse7)) (.cse8 (+ .cse6 4 .cse7))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= 0 (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 (store .cse5 .cse8 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse3) .cse9))) (forall ((v_ArrVal_2963 (Array Int Int))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse3) .cse9) 0)) (not (= v_ArrVal_2963 (store .cse1 .cse8 (select v_ArrVal_2963 .cse8)))))))) (< 2147483647 .cse0))))))) is different from false [2023-11-06 22:07:01,361 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse2 (select (select |c_#memory_$Pointer$.offset| .cse3) .cse4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| .cse3) .cse4)) (.cse1 (+ .cse2 4))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse0) .cse2) 0)) (forall ((v_ArrVal_2963 (Array Int Int))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse0) .cse2) 0)) (not (= v_ArrVal_2963 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 (select v_ArrVal_2963 .cse1))))))))))) is different from false [2023-11-06 22:07:01,637 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse10 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| .cse11)) (.cse2 (select |c_#memory_$Pointer$.base| .cse11)) (.cse1 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)))) (and (forall ((v_ArrVal_2958 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)) (forall ((v_ArrVal_2959 (Array Int Int))) (or (not (= (store .cse2 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)) (forall ((v_ArrVal_2963 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_2958)) (.cse3 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_2959))) (let ((.cse8 (select (select .cse3 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse9 (select (select .cse7 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse4 (select (select .cse3 .cse8) .cse9)) (.cse5 (select (select .cse7 .cse8) .cse9))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store .cse3 .cse4 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse4) .cse5) 0)) (not (= v_ArrVal_2963 (let ((.cse6 (+ .cse5 4))) (store (select .cse3 .cse4) .cse6 (select v_ArrVal_2963 .cse6)))))))))))))) (forall ((v_ArrVal_2958 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)) (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (let ((.cse12 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_2958)) (.cse15 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_2959))) (let ((.cse16 (select (select .cse15 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse14 (select (select .cse12 .cse16) .cse17))) (select (let ((.cse13 (select (select .cse15 .cse16) .cse17))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ .cse14 4) v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse13)) .cse14)))) 0)) (not (= (store .cse2 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)))))))))) is different from false [2023-11-06 22:07:01,711 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse8 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse9 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse10 (select |c_#memory_$Pointer$.base| .cse9)) (.cse0 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse1 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8) 12))) (and (forall ((v_ArrVal_2958 (Array Int Int))) (or (not (= v_ArrVal_2958 (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)))) (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_2958)) (.cse5 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_2959))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse4 (select (select .cse2 .cse6) .cse7))) (select (let ((.cse3 (select (select .cse5 .cse6) .cse7))) (select (store (store .cse2 .cse3 (store (select .cse2 .cse3) (+ .cse4 4) v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse3)) .cse4)))) 0)) (not (= v_ArrVal_2959 (store .cse10 .cse1 (select v_ArrVal_2959 .cse1)))))))) (forall ((v_ArrVal_2958 (Array Int Int))) (or (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2963 (Array Int Int))) (let ((.cse15 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_2958)) (.cse11 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_2959))) (let ((.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse17 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse12 (select (select .cse11 .cse16) .cse17)) (.cse13 (select (select .cse15 .cse16) .cse17))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store .cse11 .cse12 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse12) .cse13) 0)) (not (= v_ArrVal_2963 (let ((.cse14 (+ .cse13 4))) (store (select .cse11 .cse12) .cse14 (select v_ArrVal_2963 .cse14)))))))))) (not (= v_ArrVal_2959 (store .cse10 .cse1 (select v_ArrVal_2959 .cse1)))))) (not (= v_ArrVal_2958 (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)))))))))) is different from false [2023-11-06 22:07:02,029 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse9 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse11 (select (select .cse10 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse0 (select .cse10 .cse11)) (.cse13 (select .cse12 .cse11)) (.cse1 (+ (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9) 12))) (and (forall ((v_ArrVal_2958 (Array Int Int))) (or (forall ((v_ArrVal_2959 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)) (forall ((v_ArrVal_2963 (Array Int Int))) (let ((.cse6 (store .cse12 .cse11 v_ArrVal_2958)) (.cse2 (store .cse10 .cse11 v_ArrVal_2959))) (let ((.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse8 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse3 (select (select .cse2 .cse7) .cse8)) (.cse5 (select (select .cse6 .cse7) .cse8))) (or (not (= v_ArrVal_2963 (let ((.cse4 (+ .cse5 4))) (store (select .cse2 .cse3) .cse4 (select v_ArrVal_2963 .cse4))))) (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store .cse2 .cse3 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse3) .cse5) 0))))))))) (not (= (store .cse13 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)))) (forall ((v_ArrVal_2958 (Array Int Int))) (or (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (let ((.cse14 (store .cse12 .cse11 v_ArrVal_2958)) (.cse17 (store .cse10 .cse11 v_ArrVal_2959))) (let ((.cse18 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse19 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse16 (select (select .cse14 .cse18) .cse19))) (select (let ((.cse15 (select (select .cse17 .cse18) .cse19))) (select (store (store .cse14 .cse15 (store (select .cse14 .cse15) (+ .cse16 4) v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse15)) .cse16)))) 0)) (not (= (store .cse0 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)))) (not (= (store .cse13 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)))))))) is different from false [2023-11-06 22:07:02,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:02,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113058445] [2023-11-06 22:07:02,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:02,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376535354] [2023-11-06 22:07:02,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376535354] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:07:02,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:07:02,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2023-11-06 22:07:02,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446579649] [2023-11-06 22:07:02,038 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:07:02,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 22:07:02,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:02,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 22:07:02,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=841, Unknown=6, NotChecked=378, Total=1332 [2023-11-06 22:07:02,040 INFO L87 Difference]: Start difference. First operand 1300 states and 1885 transitions. Second operand has 31 states, 28 states have (on average 4.357142857142857) internal successors, (122), 25 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:07:09,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:09,427 INFO L93 Difference]: Finished difference Result 3152 states and 4575 transitions. [2023-11-06 22:07:09,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-06 22:07:09,428 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 4.357142857142857) internal successors, (122), 25 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 137 [2023-11-06 22:07:09,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:09,440 INFO L225 Difference]: With dead ends: 3152 [2023-11-06 22:07:09,440 INFO L226 Difference]: Without dead ends: 2048 [2023-11-06 22:07:09,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=402, Invalid=3276, Unknown=6, NotChecked=738, Total=4422 [2023-11-06 22:07:09,445 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 2490 mSDsluCounter, 10853 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 11354 SdHoareTripleChecker+Invalid, 3034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:09,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 11354 Invalid, 3034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [131 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-06 22:07:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2023-11-06 22:07:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1557. [2023-11-06 22:07:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1512 states have (on average 1.4424603174603174) internal successors, (2181), 1522 states have internal predecessors, (2181), 24 states have call successors, (24), 13 states have call predecessors, (24), 17 states have return successors, (30), 21 states have call predecessors, (30), 23 states have call successors, (30) [2023-11-06 22:07:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2235 transitions. [2023-11-06 22:07:09,538 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2235 transitions. Word has length 137 [2023-11-06 22:07:09,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:09,538 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2235 transitions. [2023-11-06 22:07:09,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 4.357142857142857) internal successors, (122), 25 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:07:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2235 transitions. [2023-11-06 22:07:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:07:09,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:09,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:09,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:09,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:07:09,752 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:09,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash 760165847, now seen corresponding path program 1 times [2023-11-06 22:07:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:09,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384752490] [2023-11-06 22:07:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:09,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:09,833 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:09,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145933028] [2023-11-06 22:07:09,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:09,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:09,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:09,851 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:09,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:07:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:07:10,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:07:10,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 22:07:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384752490] [2023-11-06 22:07:10,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:10,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145933028] [2023-11-06 22:07:10,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145933028] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:07:10,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:07:10,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-06 22:07:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129707818] [2023-11-06 22:07:10,764 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:07:10,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:07:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:10,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:07:10,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:07:10,766 INFO L87 Difference]: Start difference. First operand 1557 states and 2235 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:07:11,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:11,135 INFO L93 Difference]: Finished difference Result 2917 states and 4208 transitions. [2023-11-06 22:07:11,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:07:11,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-06 22:07:11,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:11,145 INFO L225 Difference]: With dead ends: 2917 [2023-11-06 22:07:11,146 INFO L226 Difference]: Without dead ends: 1557 [2023-11-06 22:07:11,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:07:11,149 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 23 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:11,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3794 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2023-11-06 22:07:11,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1313. [2023-11-06 22:07:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1282 states have (on average 1.4594383775351014) internal successors, (1871), 1289 states have internal predecessors, (1871), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:07:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1903 transitions. [2023-11-06 22:07:11,270 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1903 transitions. Word has length 137 [2023-11-06 22:07:11,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:11,271 INFO L495 AbstractCegarLoop]: Abstraction has 1313 states and 1903 transitions. [2023-11-06 22:07:11,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:07:11,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1903 transitions. [2023-11-06 22:07:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:07:11,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:11,273 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:11,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:11,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:07:11,483 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:11,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash 475105423, now seen corresponding path program 2 times [2023-11-06 22:07:11,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:11,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915733810] [2023-11-06 22:07:11,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:11,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:11,546 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:11,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138621649] [2023-11-06 22:07:11,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:07:11,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:11,548 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:11,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:07:15,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:07:15,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:07:15,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:07:15,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:31,619 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:07:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-06 22:07:31,655 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:31,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:31,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915733810] [2023-11-06 22:07:31,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:31,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138621649] [2023-11-06 22:07:31,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138621649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:31,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:31,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:07:31,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790840381] [2023-11-06 22:07:31,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:31,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:07:31,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:31,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:07:31,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2023-11-06 22:07:31,659 INFO L87 Difference]: Start difference. First operand 1313 states and 1903 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:07:34,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:07:37,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:07:39,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:07:41,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:07:43,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:07:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:44,283 INFO L93 Difference]: Finished difference Result 2496 states and 3630 transitions. [2023-11-06 22:07:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-06 22:07:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:44,292 INFO L225 Difference]: With dead ends: 2496 [2023-11-06 22:07:44,292 INFO L226 Difference]: Without dead ends: 1331 [2023-11-06 22:07:44,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2023-11-06 22:07:44,295 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 17 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:44,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2710 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 649 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2023-11-06 22:07:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2023-11-06 22:07:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1313. [2023-11-06 22:07:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1282 states have (on average 1.4594383775351014) internal successors, (1871), 1289 states have internal predecessors, (1871), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:07:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1903 transitions. [2023-11-06 22:07:44,368 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1903 transitions. Word has length 141 [2023-11-06 22:07:44,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:44,369 INFO L495 AbstractCegarLoop]: Abstraction has 1313 states and 1903 transitions. [2023-11-06 22:07:44,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:07:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1903 transitions. [2023-11-06 22:07:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:07:44,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:44,371 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:44,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:44,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:07:44,583 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:44,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:44,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1385339629, now seen corresponding path program 1 times [2023-11-06 22:07:44,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:44,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796184907] [2023-11-06 22:07:44,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:44,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:44,652 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:44,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623093757] [2023-11-06 22:07:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:44,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:44,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:44,654 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:44,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:07:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:45,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:07:45,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-06 22:07:45,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:45,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:45,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796184907] [2023-11-06 22:07:45,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:45,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623093757] [2023-11-06 22:07:45,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623093757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:45,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:45,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:45,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602224545] [2023-11-06 22:07:45,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:45,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:45,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:45,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:45,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:45,337 INFO L87 Difference]: Start difference. First operand 1313 states and 1903 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:07:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:45,490 INFO L93 Difference]: Finished difference Result 2704 states and 3975 transitions. [2023-11-06 22:07:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-06 22:07:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:45,499 INFO L225 Difference]: With dead ends: 2704 [2023-11-06 22:07:45,499 INFO L226 Difference]: Without dead ends: 1510 [2023-11-06 22:07:45,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:45,502 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 147 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:45,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1619 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2023-11-06 22:07:45,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1303. [2023-11-06 22:07:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1272 states have (on average 1.4544025157232705) internal successors, (1850), 1279 states have internal predecessors, (1850), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:07:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1882 transitions. [2023-11-06 22:07:45,599 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1882 transitions. Word has length 141 [2023-11-06 22:07:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:45,599 INFO L495 AbstractCegarLoop]: Abstraction has 1303 states and 1882 transitions. [2023-11-06 22:07:45,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:07:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1882 transitions. [2023-11-06 22:07:45,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:07:45,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:45,602 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:45,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:45,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:07:45,811 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:45,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:45,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2117227380, now seen corresponding path program 1 times [2023-11-06 22:07:45,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:45,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410232701] [2023-11-06 22:07:45,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:45,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:45,873 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:45,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354416019] [2023-11-06 22:07:45,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:45,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:45,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:45,875 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:45,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:07:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 22:07:46,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:07:46,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-06 22:07:47,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410232701] [2023-11-06 22:07:47,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:47,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354416019] [2023-11-06 22:07:47,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354416019] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:07:47,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:07:47,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-06 22:07:47,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68183709] [2023-11-06 22:07:47,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:07:47,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 22:07:47,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:47,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 22:07:47,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:07:47,045 INFO L87 Difference]: Start difference. First operand 1303 states and 1882 transitions. Second operand has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:07:48,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:48,531 INFO L93 Difference]: Finished difference Result 2342 states and 3387 transitions. [2023-11-06 22:07:48,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:07:48,532 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 142 [2023-11-06 22:07:48,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:48,539 INFO L225 Difference]: With dead ends: 2342 [2023-11-06 22:07:48,539 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:07:48,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:07:48,542 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 124 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:48,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 5477 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:07:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:07:48,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1078. [2023-11-06 22:07:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1047 states have (on average 1.4374403056351481) internal successors, (1505), 1054 states have internal predecessors, (1505), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:07:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1537 transitions. [2023-11-06 22:07:48,608 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1537 transitions. Word has length 142 [2023-11-06 22:07:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:48,609 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1537 transitions. [2023-11-06 22:07:48,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:07:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1537 transitions. [2023-11-06 22:07:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:07:48,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:48,612 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:48,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:48,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:48,821 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:48,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash 879428179, now seen corresponding path program 2 times [2023-11-06 22:07:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:48,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900628414] [2023-11-06 22:07:48,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:48,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:48,901 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:48,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995283123] [2023-11-06 22:07:48,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:07:48,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:48,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:48,903 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:48,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:07:49,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:07:49,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:07:49,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:07:49,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:07:49,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:49,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:49,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900628414] [2023-11-06 22:07:49,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:49,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995283123] [2023-11-06 22:07:49,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995283123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:49,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:49,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:07:49,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958326605] [2023-11-06 22:07:49,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:49,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:07:49,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:49,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:07:49,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:07:49,677 INFO L87 Difference]: Start difference. First operand 1078 states and 1537 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:07:50,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:50,101 INFO L93 Difference]: Finished difference Result 2116 states and 3034 transitions. [2023-11-06 22:07:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:50,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 151 [2023-11-06 22:07:50,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:50,108 INFO L225 Difference]: With dead ends: 2116 [2023-11-06 22:07:50,108 INFO L226 Difference]: Without dead ends: 1096 [2023-11-06 22:07:50,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:07:50,111 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 15 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2569 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:50,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2569 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-06 22:07:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1078. [2023-11-06 22:07:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1047 states have (on average 1.4374403056351481) internal successors, (1505), 1054 states have internal predecessors, (1505), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:07:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1537 transitions. [2023-11-06 22:07:50,176 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1537 transitions. Word has length 151 [2023-11-06 22:07:50,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:50,176 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1537 transitions. [2023-11-06 22:07:50,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:07:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1537 transitions. [2023-11-06 22:07:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:07:50,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:50,179 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:50,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:50,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:50,387 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:50,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:50,388 INFO L85 PathProgramCache]: Analyzing trace with hash 314429275, now seen corresponding path program 1 times [2023-11-06 22:07:50,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:50,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619629692] [2023-11-06 22:07:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:50,457 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:50,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460995400] [2023-11-06 22:07:50,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:50,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:50,458 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:50,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:07:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 227 conjunts are in the unsatisfiable core [2023-11-06 22:07:51,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:51,735 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:07:51,735 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 22:07:51,742 INFO L351 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 [2023-11-06 22:07:51,805 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:07:51,805 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 22:07:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:07:51,941 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 22:07:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:07:51,948 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:07:53,100 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 22:07:53,100 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 22:07:53,190 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:07:53,342 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 22:07:55,135 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:07:55,135 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2023-11-06 22:07:55,314 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 22:07:55,315 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1941 treesize of output 1434 [2023-11-06 22:07:55,340 INFO L322 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2023-11-06 22:07:55,340 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 73 [2023-11-06 22:07:55,347 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:07:55,391 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:07:55,392 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2370 treesize of output 1946 [2023-11-06 22:07:55,423 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:07:55,424 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2009 treesize of output 1739 [2023-11-06 22:07:55,466 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:07:55,466 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2059 treesize of output 1701 [2023-11-06 22:07:55,492 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:07:55,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1753 treesize of output 1543 [2023-11-06 22:07:55,518 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:07:55,519 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1652 treesize of output 1 [2023-11-06 22:07:55,550 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:07:55,550 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2202 treesize of output 1765 [2023-11-06 22:07:55,588 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:07:55,589 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4138 treesize of output 3214 [2023-11-06 22:07:55,621 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:07:55,622 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3482 treesize of output 2849 [2023-11-06 22:07:55,666 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:07:55,667 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2501 treesize of output 1982 [2023-11-06 22:07:55,706 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:07:55,707 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4583 treesize of output 3537 [2023-11-06 22:07:55,750 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:07:55,751 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3830 treesize of output 3107 [2023-11-06 22:07:55,783 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:07:55,783 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1941 treesize of output 1 [2023-11-06 22:07:55,814 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:07:55,815 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2370 treesize of output 1946 [2023-11-06 22:07:55,843 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:07:55,844 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2009 treesize of output 1739 [2023-11-06 22:07:55,877 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:07:55,878 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2466 treesize of output 1959 [2023-11-06 22:07:55,919 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:07:55,919 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4580 treesize of output 3546 [2023-11-06 22:07:55,959 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:07:55,960 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4873 treesize of output 3775 [2023-11-06 22:07:55,988 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:07:55,988 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1872 treesize of output 1 [2023-11-06 22:07:56,017 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:07:56,018 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1940 treesize of output 1680 [2023-11-06 22:07:56,050 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 22:07:56,050 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2041 treesize of output 1765 [2023-11-06 22:07:56,481 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:07:56,503 INFO L351 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 51 treesize of output 40 [2023-11-06 22:07:56,546 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 22:07:56,546 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 22:07:56,685 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:07:56,686 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 364 treesize of output 262 [2023-11-06 22:07:56,699 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 22:07:56,700 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 136 [2023-11-06 22:07:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:07:56,765 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:07:56,765 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 363 [2023-11-06 22:07:56,800 INFO L322 Elim1Store]: treesize reduction 106, result has 4.5 percent of original size [2023-11-06 22:07:56,801 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 283 treesize of output 218 [2023-11-06 22:07:56,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:07:56,813 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 109 [2023-11-06 22:07:56,819 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 22:07:56,826 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 22:07:58,409 INFO L322 Elim1Store]: treesize reduction 987, result has 2.6 percent of original size [2023-11-06 22:07:58,409 INFO L351 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 9 new quantified variables, introduced 7 case distinctions, treesize of input 424 treesize of output 212 [2023-11-06 22:07:58,578 INFO L322 Elim1Store]: treesize reduction 656, result has 6.7 percent of original size [2023-11-06 22:07:58,578 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 212 treesize of output 159 [2023-11-06 22:07:59,194 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 22:07:59,195 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 346 treesize of output 207 [2023-11-06 22:07:59,334 INFO L322 Elim1Store]: treesize reduction 460, result has 9.3 percent of original size [2023-11-06 22:07:59,335 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 31 case distinctions, treesize of input 299 treesize of output 200 [2023-11-06 22:08:00,099 INFO L322 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2023-11-06 22:08:00,100 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 438 treesize of output 238 [2023-11-06 22:08:00,156 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 22:08:00,157 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 392 treesize of output 298 [2023-11-06 22:08:00,176 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 22:08:00,176 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 301 treesize of output 170 [2023-11-06 22:08:00,253 INFO L322 Elim1Store]: treesize reduction 144, result has 16.8 percent of original size [2023-11-06 22:08:00,254 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 139 treesize of output 108 [2023-11-06 22:08:00,273 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 66 [2023-11-06 22:08:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-06 22:08:00,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:01,645 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse10 (select |c_#memory_$Pointer$.offset| .cse7)) (.cse8 (select |c_#memory_$Pointer$.base| .cse7)) (.cse9 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)))) (and (forall ((v_ArrVal_5623 (Array Int Int))) (or (forall ((v_ArrVal_5624 (Array Int Int))) (or (forall ((v_ArrVal_5628 Int) (v_ArrVal_5627 (Array Int Int))) (= (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse7 v_ArrVal_5623)) (.cse0 (store |c_#memory_$Pointer$.base| .cse7 v_ArrVal_5624))) (let ((.cse3 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse5 .cse3) .cse4))) (select (let ((.cse1 (select (select .cse0 .cse3) .cse4))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ .cse2 4) v_ArrVal_5628)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5627) .cse1)) .cse2)))) 0)) (not (= (store .cse8 .cse9 (select v_ArrVal_5624 .cse9)) v_ArrVal_5624)))) (not (= v_ArrVal_5623 (store .cse10 .cse9 (select v_ArrVal_5623 .cse9)))))) (forall ((v_ArrVal_5623 (Array Int Int))) (or (not (= v_ArrVal_5623 (store .cse10 .cse9 (select v_ArrVal_5623 .cse9)))) (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= (store .cse8 .cse9 (select v_ArrVal_5624 .cse9)) v_ArrVal_5624)) (forall ((v_ArrVal_5626 Int) (v_ArrVal_5630 (Array Int Int))) (= (let ((.cse11 (store |c_#memory_$Pointer$.offset| .cse7 v_ArrVal_5623)) (.cse14 (store |c_#memory_$Pointer$.base| .cse7 v_ArrVal_5624))) (let ((.cse15 (select (select .cse14 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse13 (select (select .cse11 .cse15) .cse16))) (select (let ((.cse12 (select (select .cse14 .cse15) .cse16))) (select (store (store .cse11 .cse12 (store (select .cse11 .cse12) (+ .cse13 4) v_ArrVal_5626)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5630) .cse12)) .cse13)))) 0)))))))))) is different from false [2023-11-06 22:08:01,698 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse8 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse9 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse10 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse0 (select |c_#memory_$Pointer$.base| .cse9)) (.cse1 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8) 12))) (and (forall ((v_ArrVal_5623 (Array Int Int))) (or (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_5624 .cse1)) v_ArrVal_5624)) (forall ((v_ArrVal_5626 Int) (v_ArrVal_5630 (Array Int Int))) (= (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_5623)) (.cse5 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_5624))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse4 (select (select .cse2 .cse6) .cse7))) (select (let ((.cse3 (select (select .cse5 .cse6) .cse7))) (select (store (store .cse2 .cse3 (store (select .cse2 .cse3) (+ 4 .cse4) v_ArrVal_5626)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5630) .cse3)) .cse4)))) 0)))) (not (= v_ArrVal_5623 (store .cse10 .cse1 (select v_ArrVal_5623 .cse1)))))) (forall ((v_ArrVal_5623 (Array Int Int))) (or (not (= v_ArrVal_5623 (store .cse10 .cse1 (select v_ArrVal_5623 .cse1)))) (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_5624 .cse1)) v_ArrVal_5624)) (forall ((v_ArrVal_5628 Int) (v_ArrVal_5627 (Array Int Int))) (= (let ((.cse16 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_5623)) (.cse11 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_5624))) (let ((.cse14 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse15 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse13 (select (select .cse16 .cse14) .cse15))) (select (let ((.cse12 (select (select .cse11 .cse14) .cse15))) (select (store (store .cse11 .cse12 (store (select .cse11 .cse12) (+ 4 .cse13) v_ArrVal_5628)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5627) .cse12)) .cse13)))) 0)))))))))) is different from false [2023-11-06 22:08:05,489 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 1)) (.cse13 (+ 2 |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse14 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 3)) (.cse15 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 4))) (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0) .cse12 0) .cse13 0) .cse14 0) .cse15 0))) (.cse10 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (+ (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10) 12)) (.cse11 (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (and (forall ((v_ArrVal_5623 (Array Int Int)) (v_ArrVal_5653 Int) (v_ArrVal_5652 Int) (v_ArrVal_5651 Int) (v_ArrVal_5650 Int)) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store .cse11 .cse12 v_ArrVal_5650) .cse13 v_ArrVal_5653) .cse14 v_ArrVal_5652) .cse15 v_ArrVal_5651)))) (let ((.cse1 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (or (not (= (store (select .cse0 .cse1) .cse2 (select v_ArrVal_5623 .cse2)) v_ArrVal_5623)) (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= v_ArrVal_5624 (store (select .cse3 .cse1) .cse2 (select v_ArrVal_5624 .cse2)))) (forall ((v_ArrVal_5628 Int) (v_ArrVal_5627 (Array Int Int))) (= (let ((.cse9 (store .cse0 .cse1 v_ArrVal_5623)) (.cse4 (store .cse3 .cse1 v_ArrVal_5624))) (let ((.cse7 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10)) (.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (let ((.cse6 (select (select .cse9 .cse7) .cse8))) (select (let ((.cse5 (select (select .cse4 .cse7) .cse8))) (select (store (store .cse4 .cse5 (store (select .cse4 .cse5) (+ .cse6 4) v_ArrVal_5628)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5627) .cse5)) .cse6)))) 0)))))))) (forall ((v_ArrVal_5623 (Array Int Int)) (v_ArrVal_5653 Int) (v_ArrVal_5652 Int) (v_ArrVal_5651 Int) (v_ArrVal_5650 Int)) (let ((.cse23 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store .cse11 .cse12 v_ArrVal_5650) .cse13 v_ArrVal_5653) .cse14 v_ArrVal_5652) .cse15 v_ArrVal_5651)))) (let ((.cse16 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (or (not (= (store (select .cse0 .cse16) .cse2 (select v_ArrVal_5623 .cse2)) v_ArrVal_5623)) (forall ((v_ArrVal_5624 (Array Int Int))) (or (forall ((v_ArrVal_5626 Int) (v_ArrVal_5630 (Array Int Int))) (= (let ((.cse17 (store .cse0 .cse16 v_ArrVal_5623)) (.cse20 (store .cse23 .cse16 v_ArrVal_5624))) (let ((.cse21 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10)) (.cse22 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (let ((.cse19 (select (select .cse17 .cse21) .cse22))) (select (let ((.cse18 (select (select .cse20 .cse21) .cse22))) (select (store (store .cse17 .cse18 (store (select .cse17 .cse18) (+ .cse19 4) v_ArrVal_5626)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5630) .cse18)) .cse19)))) 0)) (not (= v_ArrVal_5624 (store (select .cse23 .cse16) .cse2 (select v_ArrVal_5624 .cse2)))))))))))))) is different from false [2023-11-06 22:08:05,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:05,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619629692] [2023-11-06 22:08:05,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:05,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460995400] [2023-11-06 22:08:05,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460995400] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:08:05,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:08:05,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2023-11-06 22:08:05,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046345741] [2023-11-06 22:08:05,510 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:05,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-06 22:08:05,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:05,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-06 22:08:05,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=2141, Unknown=69, NotChecked=288, Total=2652 [2023-11-06 22:08:05,513 INFO L87 Difference]: Start difference. First operand 1078 states and 1537 transitions. Second operand has 46 states, 43 states have (on average 3.13953488372093) internal successors, (135), 37 states have internal predecessors, (135), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:08:26,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:26,776 INFO L93 Difference]: Finished difference Result 2471 states and 3528 transitions. [2023-11-06 22:08:26,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-06 22:08:26,777 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 43 states have (on average 3.13953488372093) internal successors, (135), 37 states have internal predecessors, (135), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 152 [2023-11-06 22:08:26,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:26,785 INFO L225 Difference]: With dead ends: 2471 [2023-11-06 22:08:26,786 INFO L226 Difference]: Without dead ends: 1511 [2023-11-06 22:08:26,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2738 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=667, Invalid=10186, Unknown=79, NotChecked=624, Total=11556 [2023-11-06 22:08:26,796 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 2023 mSDsluCounter, 13847 mSDsCounter, 0 mSdLazyCounter, 4831 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 14286 SdHoareTripleChecker+Invalid, 4982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 4831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:26,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 14286 Invalid, 4982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [151 Valid, 4831 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2023-11-06 22:08:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-11-06 22:08:26,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1264. [2023-11-06 22:08:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1219 states have (on average 1.4159146841673502) internal successors, (1726), 1228 states have internal predecessors, (1726), 24 states have call successors, (24), 14 states have call predecessors, (24), 17 states have return successors, (28), 21 states have call predecessors, (28), 23 states have call successors, (28) [2023-11-06 22:08:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1778 transitions. [2023-11-06 22:08:26,906 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1778 transitions. Word has length 152 [2023-11-06 22:08:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:26,907 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1778 transitions. [2023-11-06 22:08:26,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 43 states have (on average 3.13953488372093) internal successors, (135), 37 states have internal predecessors, (135), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:08:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1778 transitions. [2023-11-06 22:08:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:08:26,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:26,910 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:26,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:27,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:27,121 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:27,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:27,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1016029149, now seen corresponding path program 1 times [2023-11-06 22:08:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:27,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780850797] [2023-11-06 22:08:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:27,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:27,186 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:27,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174800169] [2023-11-06 22:08:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:27,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:27,188 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:27,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:08:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:28,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-06 22:08:28,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 127 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-06 22:08:28,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 69 proven. 24 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-06 22:08:29,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:29,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780850797] [2023-11-06 22:08:29,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:29,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174800169] [2023-11-06 22:08:29,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174800169] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:08:29,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:29,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 22 [2023-11-06 22:08:29,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47574180] [2023-11-06 22:08:29,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:29,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 22:08:29,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:29,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 22:08:29,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:08:29,026 INFO L87 Difference]: Start difference. First operand 1264 states and 1778 transitions. Second operand has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 22:08:31,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:31,751 INFO L93 Difference]: Finished difference Result 2439 states and 3463 transitions. [2023-11-06 22:08:31,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-06 22:08:31,754 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 152 [2023-11-06 22:08:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:31,761 INFO L225 Difference]: With dead ends: 2439 [2023-11-06 22:08:31,762 INFO L226 Difference]: Without dead ends: 1292 [2023-11-06 22:08:31,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=476, Invalid=1974, Unknown=0, NotChecked=0, Total=2450 [2023-11-06 22:08:31,765 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 31 mSDsluCounter, 5707 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:31,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 6190 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:08:31,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2023-11-06 22:08:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1073. [2023-11-06 22:08:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 1044 states have (on average 1.4396551724137931) internal successors, (1503), 1050 states have internal predecessors, (1503), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2023-11-06 22:08:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1533 transitions. [2023-11-06 22:08:31,866 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1533 transitions. Word has length 152 [2023-11-06 22:08:31,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:31,866 INFO L495 AbstractCegarLoop]: Abstraction has 1073 states and 1533 transitions. [2023-11-06 22:08:31,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 22:08:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1533 transitions. [2023-11-06 22:08:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:08:31,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:31,869 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:31,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:32,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:32,083 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:32,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:32,083 INFO L85 PathProgramCache]: Analyzing trace with hash 2067129156, now seen corresponding path program 2 times [2023-11-06 22:08:32,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:32,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672397303] [2023-11-06 22:08:32,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:32,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:32,157 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:32,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [462470156] [2023-11-06 22:08:32,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:08:32,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:32,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:32,159 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:32,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:08:32,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:08:32,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:08:32,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:08:32,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-06 22:08:33,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:33,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:33,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672397303] [2023-11-06 22:08:33,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:33,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462470156] [2023-11-06 22:08:33,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462470156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:33,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:33,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:08:33,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52140857] [2023-11-06 22:08:33,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:33,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:08:33,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:33,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:08:33,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:33,352 INFO L87 Difference]: Start difference. First operand 1073 states and 1533 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:08:35,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:37,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:38,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:08:40,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:08:42,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:08:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:43,368 INFO L93 Difference]: Finished difference Result 2130 states and 3061 transitions. [2023-11-06 22:08:43,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:08:43,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 159 [2023-11-06 22:08:43,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:43,376 INFO L225 Difference]: With dead ends: 2130 [2023-11-06 22:08:43,376 INFO L226 Difference]: Without dead ends: 1115 [2023-11-06 22:08:43,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:08:43,379 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 23 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:43,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3821 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 611 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2023-11-06 22:08:43,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2023-11-06 22:08:43,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1106. [2023-11-06 22:08:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1077 states have (on average 1.434540389972145) internal successors, (1545), 1083 states have internal predecessors, (1545), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2023-11-06 22:08:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1575 transitions. [2023-11-06 22:08:43,457 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1575 transitions. Word has length 159 [2023-11-06 22:08:43,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:43,457 INFO L495 AbstractCegarLoop]: Abstraction has 1106 states and 1575 transitions. [2023-11-06 22:08:43,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:08:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1575 transitions. [2023-11-06 22:08:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:08:43,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:43,460 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:43,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:43,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:43,670 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:43,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:43,671 INFO L85 PathProgramCache]: Analyzing trace with hash -559342040, now seen corresponding path program 1 times [2023-11-06 22:08:43,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:43,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851232146] [2023-11-06 22:08:43,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:43,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:43,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:43,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657541498] [2023-11-06 22:08:43,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:43,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:43,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:43,746 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:43,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676cbab2-e443-4bea-966d-8a8a323269bb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:08:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:45,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 237 conjunts are in the unsatisfiable core [2023-11-06 22:08:45,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:45,055 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:08:45,055 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 22:08:45,064 INFO L351 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 [2023-11-06 22:08:45,177 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:08:45,178 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 22:08:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:45,324 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 22:08:45,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:45,330 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:08:46,283 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 22:08:46,284 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 22:08:46,376 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:08:46,520 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 22:08:47,524 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:08:47,524 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2023-11-06 22:08:48,629 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:48,632 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 147332 treesize of output 116610 [2023-11-06 22:08:48,727 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:48,729 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 85587 treesize of output 68274 [2023-11-06 22:08:48,991 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:08:48,994 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 456633 treesize of output 327288 [2023-11-06 22:08:49,237 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:49,240 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 133743 treesize of output 104453 [2023-11-06 22:08:49,408 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:49,411 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 126168 treesize of output 96974 [2023-11-06 22:08:49,493 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:49,494 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 72664 treesize of output 54895 [2023-11-06 22:08:49,582 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:49,583 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 44839 treesize of output 34863 [2023-11-06 22:08:49,659 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:08:49,660 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8432 treesize of output 7440 [2023-11-06 22:08:49,683 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2023-11-06 22:08:49,691 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2023-11-06 22:08:49,705 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2023-11-06 22:08:49,716 INFO L322 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-06 22:08:49,717 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 68 [2023-11-06 22:08:49,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:49,739 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:49,769 INFO L322 Elim1Store]: treesize reduction 128, result has 22.0 percent of original size [2023-11-06 22:08:49,770 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 305 [2023-11-06 22:08:49,780 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 241 [2023-11-06 22:08:49,818 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 163 [2023-11-06 22:08:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:49,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:49,851 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:08:49,851 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 134 treesize of output 313 [2023-11-06 22:08:49,901 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:08:50,008 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:50,010 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28959 treesize of output 24881 [2023-11-06 22:08:50,323 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:50,325 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35505 treesize of output 30399 [2023-11-06 22:08:50,403 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:08:50,404 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 10037 treesize of output 8875 [2023-11-06 22:08:50,420 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:08:50,447 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 238 [2023-11-06 22:08:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:50,637 INFO L322 Elim1Store]: treesize reduction 280, result has 11.4 percent of original size [2023-11-06 22:08:50,637 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 403 treesize of output 583 [2023-11-06 22:08:50,659 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 541 treesize of output 453 [2023-11-06 22:08:50,673 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 323 [2023-11-06 22:08:51,050 INFO L322 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2023-11-06 22:08:51,050 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 42 [2023-11-06 22:08:51,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:51,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:51,194 INFO L322 Elim1Store]: treesize reduction 215, result has 21.5 percent of original size [2023-11-06 22:08:51,194 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1014 treesize of output 1091 [2023-11-06 22:08:51,227 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 576 treesize of output 516 [2023-11-06 22:08:51,246 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 509 treesize of output 437 [2023-11-06 22:08:51,268 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 688 treesize of output 582 [2023-11-06 22:08:51,604 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:51,654 INFO L322 Elim1Store]: treesize reduction 147, result has 29.3 percent of original size [2023-11-06 22:08:51,655 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 365 treesize of output 527 [2023-11-06 22:08:53,555 INFO L322 Elim1Store]: treesize reduction 109, result has 14.2 percent of original size [2023-11-06 22:08:53,556 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 1209 treesize of output 1189 [2023-11-06 22:08:54,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,306 INFO L322 Elim1Store]: treesize reduction 362, result has 8.4 percent of original size [2023-11-06 22:08:54,307 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 4181 treesize of output 3170 [2023-11-06 22:08:54,345 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 614 treesize of output 566 [2023-11-06 22:08:54,365 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 408 treesize of output 338 [2023-11-06 22:08:54,375 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 308 [2023-11-06 22:08:54,508 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,511 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,521 INFO L322 Elim1Store]: treesize reduction 79, result has 1.3 percent of original size [2023-11-06 22:08:54,521 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 54 treesize of output 37 [2023-11-06 22:08:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:54,556 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,557 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:08:54,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:08:54,561 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 37 [2023-11-06 22:08:54,784 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:54,786 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51481 treesize of output 40629 [2023-11-06 22:08:54,898 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:54,900 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35307 treesize of output 30237 [2023-11-06 22:08:55,032 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:55,034 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51279 treesize of output 40457 [2023-11-06 22:08:55,088 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:55,088 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 14131 treesize of output 1 [2023-11-06 22:08:55,281 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:55,284 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 150031 treesize of output 119297 [2023-11-06 22:08:55,434 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:55,437 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 142456 treesize of output 111818 [2023-11-06 22:08:55,520 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:55,522 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 80646 treesize of output 63365 [2023-11-06 22:08:55,606 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:55,608 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35505 treesize of output 30399 [2023-11-06 22:08:55,676 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:55,677 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 10037 treesize of output 1 [2023-11-06 22:08:55,742 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:55,744 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51481 treesize of output 40629 [2023-11-06 22:08:55,822 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:55,824 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 31377 treesize of output 27446 [2023-11-06 22:08:55,989 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:55,992 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 146996 treesize of output 116340 [2023-11-06 22:08:56,245 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:08:56,249 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 456297 treesize of output 327018 [2023-11-06 22:08:56,399 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:56,400 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28882 treesize of output 24816 [2023-11-06 22:08:56,482 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:56,483 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8248 treesize of output 1 [2023-11-06 22:08:56,554 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:56,555 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 44655 treesize of output 34711 [2023-11-06 22:08:56,640 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:56,642 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35428 treesize of output 30334 [2023-11-06 22:08:56,731 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:56,733 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51297 treesize of output 40477 [2023-11-06 22:08:56,794 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:56,795 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 9853 treesize of output 1 [2023-11-06 22:08:56,980 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:56,983 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 125832 treesize of output 96704 [2023-11-06 22:08:57,117 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:57,118 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 72328 treesize of output 54625 [2023-11-06 22:08:57,290 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:57,293 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 133407 treesize of output 104183 [2023-11-06 22:08:57,351 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:57,351 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 14054 treesize of output 1 [2023-11-06 22:08:57,435 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:57,437 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51095 treesize of output 40305 [2023-11-06 22:08:57,527 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:57,528 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35230 treesize of output 30172 [2023-11-06 22:08:57,645 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:57,647 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 30636 treesize of output 26737 [2023-11-06 22:08:57,786 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:57,789 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 142120 treesize of output 111548 [2023-11-06 22:08:57,944 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:57,947 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 149695 treesize of output 119027 [2023-11-06 22:08:58,071 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:58,073 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35428 treesize of output 30334 [2023-11-06 22:08:58,162 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:58,164 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51297 treesize of output 40477 [2023-11-06 22:08:58,220 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:58,221 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 9853 treesize of output 1 [2023-11-06 22:08:58,387 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:58,390 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 164476 treesize of output 131506 [2023-11-06 22:08:58,466 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:58,468 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 35119 treesize of output 30726 [2023-11-06 22:08:58,652 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:08:58,656 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 501868 treesize of output 364591 [2023-11-06 22:08:58,956 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:58,960 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 150887 treesize of output 119349 [2023-11-06 22:08:59,062 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:59,064 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 88024 treesize of output 67991 [2023-11-06 22:08:59,223 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:59,226 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 143312 treesize of output 111870 [2023-11-06 22:08:59,317 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:59,319 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51147 treesize of output 40149 [2023-11-06 22:08:59,378 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:59,379 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 11301 treesize of output 1 [2023-11-06 22:08:59,441 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:59,442 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 33134 treesize of output 28406 [2023-11-06 22:08:59,540 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:59,542 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 39680 treesize of output 33924 [2023-11-06 22:08:59,600 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:08:59,600 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 13316 treesize of output 1 [2023-11-06 22:08:59,665 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:08:59,667 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 57789 treesize of output 45915 [2023-11-06 22:08:59,817 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:08:59,820 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 159600 treesize of output 126714 [2023-11-06 22:08:59,941 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:08:59,942 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 34378 treesize of output 30017 [2023-11-06 22:09:00,129 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 22:09:00,132 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 167175 treesize of output 134193 [2023-11-06 22:09:00,216 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:09:00,218 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 39482 treesize of output 33762 [2023-11-06 22:09:00,303 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:09:00,305 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 57587 treesize of output 45743 [2023-11-06 22:09:00,361 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:09:00,361 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 16338 treesize of output 1 [2023-11-06 22:09:00,438 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:09:00,439 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 39680 treesize of output 33924 [2023-11-06 22:09:00,494 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:09:00,495 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 13316 treesize of output 1 [2023-11-06 22:09:00,571 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:09:00,573 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 57789 treesize of output 45915 [2023-11-06 22:09:00,874 INFO L351 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 51 treesize of output 40 [2023-11-06 22:09:00,910 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 22:09:00,911 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 22:09:00,943 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:09:01,076 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:09:01,076 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 711 treesize of output 476 [2023-11-06 22:09:01,089 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 95 [2023-11-06 22:09:01,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:01,105 INFO L322 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2023-11-06 22:09:01,105 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 135 [2023-11-06 22:09:01,116 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 22:09:01,122 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 22:09:01,145 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:09:01,146 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 513 treesize of output 367 [2023-11-06 22:09:01,162 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 22:09:01,162 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 237 treesize of output 196 [2023-11-06 22:09:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,488 INFO L322 Elim1Store]: treesize reduction 1269, result has 1.5 percent of original size [2023-11-06 22:09:20,488 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 77 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 401 treesize of output 233 [2023-11-06 22:09:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:20,674 INFO L322 Elim1Store]: treesize reduction 1201, result has 1.6 percent of original size [2023-11-06 22:09:20,675 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 78 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 188 [2023-11-06 22:09:21,959 INFO L322 Elim1Store]: treesize reduction 182, result has 12.5 percent of original size [2023-11-06 22:09:21,960 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 414 treesize of output 208 [2023-11-06 22:09:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:22,281 INFO L322 Elim1Store]: treesize reduction 750, result has 11.3 percent of original size [2023-11-06 22:09:22,282 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 78 disjoint index pairs (out of 105 index pairs), introduced 17 new quantified variables, introduced 115 case distinctions, treesize of input 367 treesize of output 250 [2023-11-06 22:09:23,852 INFO L322 Elim1Store]: treesize reduction 94, result has 5.1 percent of original size [2023-11-06 22:09:23,852 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 548 treesize of output 350 [2023-11-06 22:09:23,873 INFO L322 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-06 22:09:23,873 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 403 treesize of output 292 [2023-11-06 22:09:23,904 INFO L322 Elim1Store]: treesize reduction 72, result has 8.9 percent of original size [2023-11-06 22:09:23,904 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 283 treesize of output 150 [2023-11-06 22:09:23,918 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2023-11-06 22:09:23,929 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2023-11-06 22:09:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:23,997 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 92 [2023-11-06 22:09:24,011 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-06 22:09:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 45 proven. 246 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-06 22:09:24,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:09:24,291 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$.offset| .cse3)) (.cse5 (select |c_#memory_$Pointer$.base| .cse3)) (.cse6 (* .cse0 12)) (.cse7 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11))) (and (or (< .cse0 2147483648) (let ((.cse4 (+ (- 51539607552) .cse6 .cse7)) (.cse2 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= (store .cse1 .cse2 (select v_ArrVal_7433 .cse2)) v_ArrVal_7433)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse3) .cse4) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse3) .cse4) 0)) (not (= (store .cse5 .cse2 (select v_ArrVal_7432 .cse2)) v_ArrVal_7432))))))) (or (let ((.cse8 (+ .cse6 .cse7 4)) (.cse9 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= v_ArrVal_7433 (store .cse1 .cse8 (select v_ArrVal_7433 .cse8)))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse3) .cse9) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (not (= v_ArrVal_7432 (store .cse5 .cse8 (select v_ArrVal_7432 .cse8)))) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse3) .cse9) 0)))))) (< 2147483647 .cse0))))))) is different from false [2023-11-06 22:09:24,393 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse3 (select |c_#memory_$Pointer$.offset| .cse1)) (.cse5 (select |c_#memory_$Pointer$.base| .cse1)) (.cse6 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< 2147483647 .cse0) (let ((.cse2 (+ .cse6 .cse7)) (.cse4 (+ .cse6 4 .cse7))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse1) .cse2) 0) (not (= (store .cse3 .cse4 (select v_ArrVal_7433 .cse4)) v_ArrVal_7433)))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse1) .cse2) 0)) (not (= (store .cse5 .cse4 (select v_ArrVal_7432 .cse4)) v_ArrVal_7432))))))) (or (< .cse0 2147483648) (let ((.cse8 (+ .cse6 (- 51539607548) .cse7)) (.cse9 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= (store .cse3 .cse8 (select v_ArrVal_7433 .cse8)) v_ArrVal_7433)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse1) .cse9) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (not (= (store .cse5 .cse8 (select v_ArrVal_7432 .cse8)) v_ArrVal_7432)) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse1) .cse9) 0)))))))))))) is different from false [2023-11-06 22:09:24,416 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse2 (select (select |c_#memory_$Pointer$.offset| .cse3) .cse4))) (let ((.cse1 (+ .cse2 4)) (.cse0 (select (select |c_#memory_$Pointer$.base| .cse3) .cse4))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 (select v_ArrVal_7433 .cse1)) v_ArrVal_7433)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse0) .cse2) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (not (= v_ArrVal_7432 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 (select v_ArrVal_7432 .cse1)))) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse0) .cse2) 0))))))))) is different from false [2023-11-06 22:09:24,519 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse10 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse0 (select |c_#memory_$Pointer$.base| .cse11)) (.cse2 (select |c_#memory_$Pointer$.offset| .cse11)) (.cse1 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)))) (and (forall ((v_ArrVal_7429 (Array Int Int))) (or (not (= v_ArrVal_7429 (store .cse0 .cse1 (select v_ArrVal_7429 .cse1)))) (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse2 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7432 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_7430)) (.cse3 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_7429))) (let ((.cse8 (select (select .cse3 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse9 (select (select .cse7 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse4 (select (select .cse3 .cse8) .cse9)) (.cse6 (select (select .cse7 .cse8) .cse9))) (or (not (= (let ((.cse5 (+ 4 .cse6))) (store (select .cse3 .cse4) .cse5 (select v_ArrVal_7432 .cse5))) v_ArrVal_7432)) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store .cse3 .cse4 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse4) .cse6) 0))))))))))) (forall ((v_ArrVal_7429 (Array Int Int))) (or (not (= v_ArrVal_7429 (store .cse0 .cse1 (select v_ArrVal_7429 .cse1)))) (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse2 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_7430)) (.cse18 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_7429))) (let ((.cse16 (select (select .cse18 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse13 (select (select .cse18 .cse16) .cse17)) (.cse15 (select (select .cse12 .cse16) .cse17))) (or (not (= (let ((.cse14 (+ 4 .cse15))) (store (select .cse12 .cse13) .cse14 (select v_ArrVal_7433 .cse14))) v_ArrVal_7433)) (= (select (select (store (store .cse12 .cse13 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse13) .cse15) 0)))))))))))))) is different from false [2023-11-06 22:09:24,586 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse9 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| .cse10)) (.cse11 (select |c_#memory_$Pointer$.base| .cse10)) (.cse1 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9) 12))) (and (forall ((v_ArrVal_7429 (Array Int Int))) (or (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse0 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse10 v_ArrVal_7430)) (.cse8 (store |c_#memory_$Pointer$.base| .cse10 v_ArrVal_7429))) (let ((.cse6 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse3 (select (select .cse8 .cse6) .cse7)) (.cse4 (select (select .cse2 .cse6) .cse7))) (or (= (select (select (store (store .cse2 .cse3 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse3) .cse4) 0) (not (= (let ((.cse5 (+ .cse4 4))) (store (select .cse2 .cse3) .cse5 (select v_ArrVal_7433 .cse5))) v_ArrVal_7433))))))))) (not (= v_ArrVal_7429 (store .cse11 .cse1 (select v_ArrVal_7429 .cse1)))))) (forall ((v_ArrVal_7429 (Array Int Int))) (or (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse0 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7432 (Array Int Int))) (let ((.cse16 (store |c_#memory_$Pointer$.offset| .cse10 v_ArrVal_7430)) (.cse12 (store |c_#memory_$Pointer$.base| .cse10 v_ArrVal_7429))) (let ((.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse18 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse13 (select (select .cse12 .cse17) .cse18)) (.cse14 (select (select .cse16 .cse17) .cse18))) (or (forall ((v_ArrVal_7434 (Array Int Int))) (= 0 (select (select (store (store .cse12 .cse13 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse13) .cse14))) (not (= (let ((.cse15 (+ .cse14 4))) (store (select .cse12 .cse13) .cse15 (select v_ArrVal_7432 .cse15))) v_ArrVal_7432))))))))) (not (= v_ArrVal_7429 (store .cse11 .cse1 (select v_ArrVal_7429 .cse1)))))))))) is different from false [2023-11-06 22:10:01,365 WARN L293 SmtUtils]: Spent 36.66s on a formula simplification. DAG size of input: 247 DAG size of output: 243 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)