./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:46,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:46,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:14:46,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:46,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:46,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:46,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:46,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:46,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:46,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:46,910 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:46,911 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:46,912 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:46,913 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:46,913 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:46,914 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:46,915 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:46,915 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:46,916 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:46,916 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:46,917 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:46,923 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:46,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:46,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:46,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:46,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:46,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:46,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:46,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:46,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:46,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:46,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:46,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:46,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:46,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:46,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:46,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:46,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:46,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:46,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:46,933 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:46,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:46,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:46,935 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:46,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:46,936 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 [2023-11-12 00:14:47,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:47,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:47,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:47,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:47,275 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:47,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/seq-pthread/cs_peterson.i [2023-11-12 00:14:50,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:50,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:50,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/sv-benchmarks/c/seq-pthread/cs_peterson.i [2023-11-12 00:14:50,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/data/451ce30cf/a7b73252246543e28512a31dfd22a826/FLAG53c202952 [2023-11-12 00:14:50,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/data/451ce30cf/a7b73252246543e28512a31dfd22a826 [2023-11-12 00:14:50,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:50,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:50,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:50,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:50,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:50,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:50" (1/1) ... [2023-11-12 00:14:50,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712f9242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:50, skipping insertion in model container [2023-11-12 00:14:50,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:50" (1/1) ... [2023-11-12 00:14:50,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:51,210 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_e249ad5f-5e1f-44db-9e48-8ffda768d875/sv-benchmarks/c/seq-pthread/cs_peterson.i[23605,23618] [2023-11-12 00:14:51,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:51,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:51,420 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_e249ad5f-5e1f-44db-9e48-8ffda768d875/sv-benchmarks/c/seq-pthread/cs_peterson.i[23605,23618] [2023-11-12 00:14:51,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:51,563 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:51,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51 WrapperNode [2023-11-12 00:14:51,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:51,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:51,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:51,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:51,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,658 INFO L138 Inliner]: procedures = 145, calls = 276, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 435 [2023-11-12 00:14:51,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:51,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:51,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:51,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:51,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:51,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:51,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:51,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:51,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:51,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:51,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:51,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:14:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:14:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:14:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:14:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:14:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:14:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-12 00:14:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-12 00:14:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:14:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-12 00:14:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-12 00:14:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:14:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:14:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:14:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:14:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-12 00:14:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-12 00:14:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:51,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:52,150 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:52,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:55,010 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:55,178 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:55,178 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:14:55,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:55 BoogieIcfgContainer [2023-11-12 00:14:55,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:55,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:55,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:55,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:55,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:50" (1/3) ... [2023-11-12 00:14:55,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5dd978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:55, skipping insertion in model container [2023-11-12 00:14:55,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51" (2/3) ... [2023-11-12 00:14:55,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5dd978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:55, skipping insertion in model container [2023-11-12 00:14:55,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:55" (3/3) ... [2023-11-12 00:14:55,191 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_peterson.i [2023-11-12 00:14:55,211 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:55,211 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:55,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:55,287 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75b2b0fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:55,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 56 states have (on average 1.25) internal successors, (70), 57 states have internal predecessors, (70), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 00:14:55,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 00:14:55,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:55,314 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:55,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:55,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:55,322 INFO L85 PathProgramCache]: Analyzing trace with hash 727482517, now seen corresponding path program 1 times [2023-11-12 00:14:55,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:55,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416405007] [2023-11-12 00:14:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:14:56,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:56,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416405007] [2023-11-12 00:14:56,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416405007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:56,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:56,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:56,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441278901] [2023-11-12 00:14:56,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:56,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:56,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:56,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:56,510 INFO L87 Difference]: Start difference. First operand has 97 states, 56 states have (on average 1.25) internal successors, (70), 57 states have internal predecessors, (70), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:14:58,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:15:00,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:15:00,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:15:00,736 INFO L93 Difference]: Finished difference Result 193 states and 275 transitions. [2023-11-12 00:15:00,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:15:00,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 90 [2023-11-12 00:15:00,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:15:00,751 INFO L225 Difference]: With dead ends: 193 [2023-11-12 00:15:00,751 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 00:15:00,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:15:00,758 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 2 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:15:00,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 244 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-12 00:15:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 00:15:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2023-11-12 00:15:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 00:15:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2023-11-12 00:15:00,817 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 90 [2023-11-12 00:15:00,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:15:00,817 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2023-11-12 00:15:00,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:15:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2023-11-12 00:15:00,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 00:15:00,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:00,825 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:15:00,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:15:00,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:15:00,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:00,826 INFO L85 PathProgramCache]: Analyzing trace with hash 323260609, now seen corresponding path program 1 times [2023-11-12 00:15:00,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:00,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142728661] [2023-11-12 00:15:00,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:00,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:15:01,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:01,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142728661] [2023-11-12 00:15:01,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142728661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:01,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:15:01,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:15:01,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585474806] [2023-11-12 00:15:01,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:01,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:15:01,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:01,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:15:01,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:15:01,375 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:15:03,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:15:05,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:15:05,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:15:05,570 INFO L93 Difference]: Finished difference Result 191 states and 272 transitions. [2023-11-12 00:15:05,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:15:05,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 92 [2023-11-12 00:15:05,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:15:05,574 INFO L225 Difference]: With dead ends: 191 [2023-11-12 00:15:05,574 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 00:15:05,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:15:05,578 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:15:05,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-12 00:15:05,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 00:15:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-12 00:15:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 57 states have internal predecessors, (69), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 00:15:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2023-11-12 00:15:05,603 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 92 [2023-11-12 00:15:05,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:15:05,604 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2023-11-12 00:15:05,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:15:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2023-11-12 00:15:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 00:15:05,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:05,615 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:15:05,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:15:05,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:15:05,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1399282198, now seen corresponding path program 1 times [2023-11-12 00:15:05,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:05,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483060003] [2023-11-12 00:15:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:15:06,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:06,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483060003] [2023-11-12 00:15:06,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483060003] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:15:06,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415439182] [2023-11-12 00:15:06,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:06,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:15:06,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:15:06,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:15:06,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:15:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:06,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:15:06,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:15:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:15:06,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:15:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:15:06,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415439182] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:15:06,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1790834913] [2023-11-12 00:15:06,979 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2023-11-12 00:15:06,980 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:15:06,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:15:06,990 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:15:06,990 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:15:34,906 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:15:38,571 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse24 (+ 32 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse27 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 20)) (.cse30 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 28)) (.cse33 (+ 16 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse36 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 24)) (.cse38 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 12)) (.cse23 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse37 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse4 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse11 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse13 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse39 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse1 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse5 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse29 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse9 (+ 8 |c_~#x~0.offset|)) (.cse16 (+ 4 |c_~#x~0.offset|)) (.cse40 (+ 8 |c_~#turn~0.offset|)) (.cse17 (+ 4 |c_~#turn~0.offset|)) (.cse15 (+ |c_~#flag2~0.offset| 8)) (.cse19 (+ |c_~#flag2~0.offset| 4)) (.cse7 (+ |c_~#flag1~0.offset| 8)) (.cse21 (+ |c_~#flag1~0.offset| 4)) (.cse26 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse32 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse35 (+ |c_~#__CS_thread_lockedon~0.offset| 24))) (and (exists ((|v_#memory_$Pointer$.offset_137| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_138| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_139| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_140| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_130| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_141| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_142| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_131| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_252| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_132| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_143| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_133| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int)))) (let ((.cse0 (select |v_#memory_$Pointer$.offset_132| |c_~#__CS_thread_status~0.base|)) (.cse3 (select |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_status~0.base|)) (.cse10 (select |v_#memory_$Pointer$.offset_145| |c_~#__CS_thread_status~0.base|)) (.cse8 (select |v_#memory_$Pointer$.offset_135| |c_~#x~0.base|)) (.cse14 (select |v_#memory_$Pointer$.offset_139| |c_~#flag2~0.base|)) (.cse6 (select |v_#memory_$Pointer$.offset_143| |c_~#flag1~0.base|)) (.cse2 (select |v_#memory_$Pointer$.offset_134| |c_~#__CS_thread_status~0.base|)) (.cse12 (select |v_#memory_$Pointer$.offset_140| |c_~#__CS_thread_status~0.base|)) (.cse18 (select |v_#memory_$Pointer$.offset_131| |c_~#turn~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_132| |c_~#__CS_thread_status~0.base| (store .cse0 .cse1 (select .cse2 .cse1))) |v_#memory_$Pointer$.offset_134|) (= |v_#memory_$Pointer$.offset_142| (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_status~0.base| (store .cse3 .cse4 (select (select |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_status~0.base|) .cse4)))) (= (store |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base|) .cse5 (select .cse0 .cse5))) |v_#memory_$Pointer$.offset_132|) (= (store |v_#memory_$Pointer$.offset_143| |c_~#flag1~0.base| (store .cse6 .cse7 (select (select |v_#memory_$Pointer$.offset_141| |c_~#flag1~0.base|) .cse7))) |v_#memory_$Pointer$.offset_141|) (= (store |v_#memory_$Pointer$.offset_135| |c_~#x~0.base| (store .cse8 .cse9 (select (select |v_#memory_$Pointer$.offset_137| |c_~#x~0.base|) .cse9))) |v_#memory_$Pointer$.offset_137|) (= |v_#memory_$Pointer$.offset_144| (store |v_#memory_$Pointer$.offset_145| |c_~#__CS_thread_status~0.base| (store .cse10 .cse11 (select .cse3 .cse11)))) (= |v_#memory_$Pointer$.offset_145| (store |v_#memory_$Pointer$.offset_140| |c_~#__CS_thread_status~0.base| (store .cse12 .cse13 (select .cse10 .cse13)))) (= (store |v_#memory_$Pointer$.offset_139| |c_~#flag2~0.base| (store .cse14 .cse15 (select (select |v_#memory_$Pointer$.offset_138| |c_~#flag2~0.base|) .cse15))) |v_#memory_$Pointer$.offset_138|) (= |v_#memory_$Pointer$.offset_136| (store |v_#memory_$Pointer$.offset_133| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_133| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_136| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|)))) (= (store |v_#memory_$Pointer$.offset_136| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_136| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.offset_137| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_137| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_133| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_133|) (= (store |v_#memory_$Pointer$.offset_130| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.offset_130| |c_~#x~0.base|) .cse16 (select .cse8 .cse16))) |v_#memory_$Pointer$.offset_135|) (= (store |v_#memory_$Pointer$.offset_138| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.offset_138| |c_~#turn~0.base|) .cse17 (select .cse18 .cse17))) |v_#memory_$Pointer$.offset_131|) (= |v_#memory_$Pointer$.offset_139| (store |v_#memory_$Pointer$.offset_141| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.offset_141| |c_~#flag2~0.base|) .cse19 (select .cse14 .cse19)))) (= |v_#memory_$Pointer$.offset_143| (let ((.cse20 (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| (let ((.cse22 (let ((.cse25 (let ((.cse28 (let ((.cse31 (let ((.cse34 (store (select |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base|) .cse37 (select (select |v_#memory_$Pointer$.offset_142| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse38)))) (store .cse34 .cse35 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse34) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse36))))) (store .cse31 .cse32 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse31) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse33))))) (store .cse28 .cse29 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse28) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse30))))) (store .cse25 .cse26 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse25) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse27))))) (store .cse22 .cse23 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse22) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse24)))))) (store .cse20 |c_~#flag1~0.base| (store (select .cse20 |c_~#flag1~0.base|) .cse21 (select .cse6 .cse21))))) (= (store |v_#memory_$Pointer$.offset_134| |c_~#__CS_thread_status~0.base| (store .cse2 .cse39 (select .cse12 .cse39))) |v_#memory_$Pointer$.offset_140|) (= |v_#memory_$Pointer$.offset_130| (store |v_#memory_$Pointer$.offset_131| |c_~#turn~0.base| (store .cse18 .cse40 (select (select |v_#memory_$Pointer$.offset_130| |c_~#turn~0.base|) .cse40))))))) (exists ((v_~__CS_thread~0.base_40 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_40 0 |#funAddr~main_thread.base|))) (<= 3 |c_ULTIMATE.start_main_~i~0#1|) (<= 3 |c_ULTIMATE.start_main_~j~2#1|) (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_ULTIMATE.start_main_#t~mem65#1|) (exists ((|v_#memory_$Pointer$.base_139| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_130| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_141| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_140| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_138| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_137| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_136| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_133| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_132| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_143| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_131| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_142| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_252| (Array Int (Array Int Int)))) (let ((.cse44 (select |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base|)) (.cse42 (select |v_#memory_$Pointer$.base_143| |c_~#turn~0.base|)) (.cse45 (select |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_status~0.base|)) (.cse43 (select |v_#memory_$Pointer$.base_137| |c_~#flag2~0.base|)) (.cse41 (select |v_#memory_$Pointer$.base_139| |c_~#flag1~0.base|)) (.cse49 (select |v_#memory_$Pointer$.base_131| |c_~#x~0.base|)) (.cse47 (select |v_#memory_$Pointer$.base_135| |c_~#__CS_thread_status~0.base|)) (.cse48 (select |v_#memory_$Pointer$.base_141| |c_~#__CS_thread_status~0.base|)) (.cse46 (select |v_#memory_$Pointer$.base_133| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.base_139| |c_~#flag1~0.base| (store .cse41 .cse7 (select (select |v_#memory_$Pointer$.base_140| |c_~#flag1~0.base|) .cse7))) |v_#memory_$Pointer$.base_140|) (= (store |v_#memory_$Pointer$.base_136| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.base_136| |c_~#turn~0.base|) .cse17 (select .cse42 .cse17))) |v_#memory_$Pointer$.base_143|) (= (store |v_#memory_$Pointer$.base_137| |c_~#flag2~0.base| (store .cse43 .cse15 (select (select |v_#memory_$Pointer$.base_136| |c_~#flag2~0.base|) .cse15))) |v_#memory_$Pointer$.base_136|) (= (store |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base| (store .cse44 .cse11 (select .cse45 .cse11))) |v_#memory_$Pointer$.base_144|) (= |v_#memory_$Pointer$.base_145| (store |v_#memory_$Pointer$.base_133| |c_~#__CS_thread_status~0.base| (store .cse46 .cse13 (select .cse44 .cse13)))) (= (store |v_#memory_$Pointer$.base_143| |c_~#turn~0.base| (store .cse42 .cse40 (select (select |v_#memory_$Pointer$.base_142| |c_~#turn~0.base|) .cse40))) |v_#memory_$Pointer$.base_142|) (= (store |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_status~0.base| (store .cse45 .cse4 (select (select |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_status~0.base|) .cse4))) |v_#memory_$Pointer$.base_138|) (= (store |v_#memory_$Pointer$.base_140| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.base_140| |c_~#flag2~0.base|) .cse19 (select .cse43 .cse19))) |v_#memory_$Pointer$.base_137|) (= (store |v_#memory_$Pointer$.base_135| |c_~#__CS_thread_status~0.base| (store .cse47 .cse1 (select .cse48 .cse1))) |v_#memory_$Pointer$.base_141|) (= |v_#memory_$Pointer$.base_134| (store |v_#memory_$Pointer$.base_131| |c_~#x~0.base| (store .cse49 .cse9 (select (select |v_#memory_$Pointer$.base_134| |c_~#x~0.base|) .cse9)))) (= (let ((.cse50 (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| (let ((.cse51 (let ((.cse52 (let ((.cse53 (let ((.cse54 (let ((.cse55 (store (select |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base|) .cse37 (select (select |v_#memory_$Pointer$.base_138| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse38)))) (store .cse55 .cse35 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse55) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse36))))) (store .cse54 .cse32 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse54) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse33))))) (store .cse53 .cse29 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse53) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse30))))) (store .cse52 .cse26 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse52) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse27))))) (store .cse51 .cse23 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse51) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse24)))))) (store .cse50 |c_~#flag1~0.base| (store (select .cse50 |c_~#flag1~0.base|) .cse21 (select .cse41 .cse21)))) |v_#memory_$Pointer$.base_139|) (= (store |v_#memory_$Pointer$.base_130| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_130| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_132| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.base_132|) (= (store |v_#memory_$Pointer$.base_142| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.base_142| |c_~#x~0.base|) .cse16 (select .cse49 .cse16))) |v_#memory_$Pointer$.base_131|) (= (store |v_#memory_$Pointer$.base_134| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_134| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_130| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_130|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_132| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_132| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base|) .cse5 (select .cse47 .cse5))) |v_#memory_$Pointer$.base_135|) (= (store |v_#memory_$Pointer$.base_141| |c_~#__CS_thread_status~0.base| (store .cse48 .cse39 (select .cse46 .cse39))) |v_#memory_$Pointer$.base_133|)))) (exists ((|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_int_115| (Array Int (Array Int Int))) (|v_#memory_int_116| (Array Int (Array Int Int))) (|v_#memory_int_117| (Array Int (Array Int Int))) (|v_#memory_int_165| (Array Int (Array Int Int))) (|v_#memory_int_112| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int)))) (let ((.cse65 (select |v_#memory_int_112| |c_~#__CS_thread_lockedon~0.base|)) (.cse56 (select |v_#memory_int_117| |c_~#__CS_thread_lockedon~0.base|)) (.cse64 (select |v_#memory_int_113| |c_~#__CS_thread_lockedon~0.base|)) (.cse58 (select |v_#memory_int_115| |c_~#__CS_thread_lockedon~0.base|)) (.cse76 (select |v_#memory_int_114| |c_~#__CS_thread_lockedon~0.base|))) (and (= (store |v_#memory_int_117| |c_~#__CS_thread_lockedon~0.base| (store .cse56 .cse23 (select (select |v_#memory_int_116| |c_~#__CS_thread_lockedon~0.base|) .cse23))) |v_#memory_int_116|) (= (let ((.cse57 (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| (let ((.cse59 (let ((.cse60 (let ((.cse61 (let ((.cse62 (let ((.cse63 (store (select |v_#memory_int_165| |c_~#__CS_thread_status~0.base|) .cse5 (select (select |v_#memory_int_165| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 3))))) (store .cse63 .cse1 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse63) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 6)))))) (store .cse62 .cse39 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse62) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 4)))))) (store .cse61 .cse13 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse61) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ 7 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|)))))) (store .cse60 .cse11 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse60) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 5)))))) (store .cse59 .cse4 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse59) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 8))))))) (store .cse57 |c_~#__CS_thread_lockedon~0.base| (store (select .cse57 |c_~#__CS_thread_lockedon~0.base|) .cse37 (select .cse58 .cse37)))) |v_#memory_int_115|) (= |v_#memory_int_112| (store |v_#memory_int_113| |c_~#__CS_thread_lockedon~0.base| (store .cse64 .cse29 (select .cse65 .cse29)))) (= |c_#memory_int| (let ((.cse66 (let ((.cse67 (let ((.cse68 (let ((.cse69 (let ((.cse71 (let ((.cse73 (store |v_#memory_int_116| |c_~#flag1~0.base| (let ((.cse75 (store (select |v_#memory_int_116| |c_~#flag1~0.base|) .cse21 (select (select |v_#memory_int_116| |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))) (store .cse75 .cse7 (select (select (store |v_#memory_int_116| |c_~#flag1~0.base| .cse75) |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))))) (store .cse73 |c_~#flag2~0.base| (let ((.cse74 (store (select .cse73 |c_~#flag2~0.base|) .cse19 (select (select .cse73 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 4))))) (store .cse74 .cse15 (select (select (store .cse73 |c_~#flag2~0.base| .cse74) |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 8)))))))) (store .cse71 |c_~#turn~0.base| (let ((.cse72 (store (select .cse71 |c_~#turn~0.base|) .cse17 (select (select .cse71 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 4))))) (store .cse72 .cse40 (select (select (store .cse71 |c_~#turn~0.base| .cse72) |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 8)))))))) (store .cse69 |c_~#x~0.base| (let ((.cse70 (store (select .cse69 |c_~#x~0.base|) .cse16 (select (select .cse69 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|))))) (store .cse70 .cse9 (select (select (store .cse69 |c_~#x~0.base| .cse70) |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|)))))))) (store .cse68 |c_~#__CS_thread_born_round~0.base| (store (select .cse68 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse67 |c_~#__CS_thread_status~0.base| (store (select .cse67 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse66 |c_~#__CS_thread_allocated~0.base| (store (select .cse66 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1)))) (= (store |v_#memory_int_112| |c_~#__CS_thread_lockedon~0.base| (store .cse65 .cse26 (select .cse56 .cse26))) |v_#memory_int_117|) (= (store |v_#memory_int_114| |c_~#__CS_thread_lockedon~0.base| (store .cse76 .cse32 (select .cse64 .cse32))) |v_#memory_int_113|) (= (store |v_#memory_int_115| |c_~#__CS_thread_lockedon~0.base| (store .cse58 .cse35 (select .cse76 .cse35))) |v_#memory_int_114|)))) (exists ((v_~__CS_thread~0.offset_40 (Array Int Int))) (= (store v_~__CS_thread~0.offset_40 0 |#funAddr~main_thread.offset|) c_~__CS_thread~0.offset)) (= c_~__CS_round~0 0) (= c_~__CS_thread_index~0 0))) is different from false [2023-11-12 00:15:38,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1790834913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:38,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:15:38,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4, 4] total 8 [2023-11-12 00:15:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382533598] [2023-11-12 00:15:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:15:38,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:38,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:15:38,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2023-11-12 00:15:38,589 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:15:40,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:15:42,767 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse24 (+ 32 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse27 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 20)) (.cse30 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 28)) (.cse33 (+ 16 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse36 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 24)) (.cse38 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 12)) (.cse23 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse37 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse4 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse11 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse13 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse39 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse1 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse5 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse29 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse9 (+ 8 |c_~#x~0.offset|)) (.cse16 (+ 4 |c_~#x~0.offset|)) (.cse40 (+ 8 |c_~#turn~0.offset|)) (.cse17 (+ 4 |c_~#turn~0.offset|)) (.cse15 (+ |c_~#flag2~0.offset| 8)) (.cse19 (+ |c_~#flag2~0.offset| 4)) (.cse7 (+ |c_~#flag1~0.offset| 8)) (.cse21 (+ |c_~#flag1~0.offset| 4)) (.cse26 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse32 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse35 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse57 (= c_~__CS_round~0 0)) (.cse58 (= c_~__CS_thread_index~0 0))) (and (exists ((|v_#memory_$Pointer$.offset_137| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_138| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_139| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_140| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_130| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_141| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_142| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_131| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_252| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_132| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_143| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_133| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int)))) (let ((.cse0 (select |v_#memory_$Pointer$.offset_132| |c_~#__CS_thread_status~0.base|)) (.cse3 (select |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_status~0.base|)) (.cse10 (select |v_#memory_$Pointer$.offset_145| |c_~#__CS_thread_status~0.base|)) (.cse8 (select |v_#memory_$Pointer$.offset_135| |c_~#x~0.base|)) (.cse14 (select |v_#memory_$Pointer$.offset_139| |c_~#flag2~0.base|)) (.cse6 (select |v_#memory_$Pointer$.offset_143| |c_~#flag1~0.base|)) (.cse2 (select |v_#memory_$Pointer$.offset_134| |c_~#__CS_thread_status~0.base|)) (.cse12 (select |v_#memory_$Pointer$.offset_140| |c_~#__CS_thread_status~0.base|)) (.cse18 (select |v_#memory_$Pointer$.offset_131| |c_~#turn~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_132| |c_~#__CS_thread_status~0.base| (store .cse0 .cse1 (select .cse2 .cse1))) |v_#memory_$Pointer$.offset_134|) (= |v_#memory_$Pointer$.offset_142| (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_status~0.base| (store .cse3 .cse4 (select (select |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_status~0.base|) .cse4)))) (= (store |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base|) .cse5 (select .cse0 .cse5))) |v_#memory_$Pointer$.offset_132|) (= (store |v_#memory_$Pointer$.offset_143| |c_~#flag1~0.base| (store .cse6 .cse7 (select (select |v_#memory_$Pointer$.offset_141| |c_~#flag1~0.base|) .cse7))) |v_#memory_$Pointer$.offset_141|) (= (store |v_#memory_$Pointer$.offset_135| |c_~#x~0.base| (store .cse8 .cse9 (select (select |v_#memory_$Pointer$.offset_137| |c_~#x~0.base|) .cse9))) |v_#memory_$Pointer$.offset_137|) (= |v_#memory_$Pointer$.offset_144| (store |v_#memory_$Pointer$.offset_145| |c_~#__CS_thread_status~0.base| (store .cse10 .cse11 (select .cse3 .cse11)))) (= |v_#memory_$Pointer$.offset_145| (store |v_#memory_$Pointer$.offset_140| |c_~#__CS_thread_status~0.base| (store .cse12 .cse13 (select .cse10 .cse13)))) (= (store |v_#memory_$Pointer$.offset_139| |c_~#flag2~0.base| (store .cse14 .cse15 (select (select |v_#memory_$Pointer$.offset_138| |c_~#flag2~0.base|) .cse15))) |v_#memory_$Pointer$.offset_138|) (= |v_#memory_$Pointer$.offset_136| (store |v_#memory_$Pointer$.offset_133| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_133| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_136| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|)))) (= (store |v_#memory_$Pointer$.offset_136| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_136| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.offset_137| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_137| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_133| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_133|) (= (store |v_#memory_$Pointer$.offset_130| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.offset_130| |c_~#x~0.base|) .cse16 (select .cse8 .cse16))) |v_#memory_$Pointer$.offset_135|) (= (store |v_#memory_$Pointer$.offset_138| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.offset_138| |c_~#turn~0.base|) .cse17 (select .cse18 .cse17))) |v_#memory_$Pointer$.offset_131|) (= |v_#memory_$Pointer$.offset_139| (store |v_#memory_$Pointer$.offset_141| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.offset_141| |c_~#flag2~0.base|) .cse19 (select .cse14 .cse19)))) (= |v_#memory_$Pointer$.offset_143| (let ((.cse20 (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| (let ((.cse22 (let ((.cse25 (let ((.cse28 (let ((.cse31 (let ((.cse34 (store (select |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base|) .cse37 (select (select |v_#memory_$Pointer$.offset_142| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse38)))) (store .cse34 .cse35 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse34) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse36))))) (store .cse31 .cse32 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse31) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse33))))) (store .cse28 .cse29 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse28) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse30))))) (store .cse25 .cse26 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse25) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse27))))) (store .cse22 .cse23 (select (select (store |v_#memory_$Pointer$.offset_142| |c_~#__CS_thread_lockedon~0.base| .cse22) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse24)))))) (store .cse20 |c_~#flag1~0.base| (store (select .cse20 |c_~#flag1~0.base|) .cse21 (select .cse6 .cse21))))) (= (store |v_#memory_$Pointer$.offset_134| |c_~#__CS_thread_status~0.base| (store .cse2 .cse39 (select .cse12 .cse39))) |v_#memory_$Pointer$.offset_140|) (= |v_#memory_$Pointer$.offset_130| (store |v_#memory_$Pointer$.offset_131| |c_~#turn~0.base| (store .cse18 .cse40 (select (select |v_#memory_$Pointer$.offset_130| |c_~#turn~0.base|) .cse40))))))) (exists ((v_~__CS_thread~0.base_40 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_40 0 |#funAddr~main_thread.base|))) (<= 3 |c_ULTIMATE.start_main_~i~0#1|) (<= 3 |c_ULTIMATE.start_main_~j~2#1|) (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_ULTIMATE.start_main_#t~mem65#1|) (or (< 2 |c_ULTIMATE.start_main_~j~2#1|) (let ((.cse47 (select |c_#memory_int| 4)) (.cse50 (select |c_#memory_int| 1)) (.cse46 (select |c_#memory_int| 3)) (.cse42 (select |c_#memory_int| 5)) (.cse49 (select |c_#memory_int| 7)) (.cse45 (select |c_#memory_$Pointer$.offset| 6)) (.cse44 (select |c_#memory_int| 9)) (.cse43 (+ |c_#StackHeapBarrier| 1)) (.cse56 (select |c_#memory_int| 10)) (.cse41 (select |c_#memory_$Pointer$.base| 6)) (.cse48 (select |c_#memory_int| 8))) (and (exists ((v_~__CS_u~0.x_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet123#1_7| Int) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet124#1_7| Int)) (= (store (store (store v_~__CS_u~0.x_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet123#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet124#1_7|) 2 (select c_~__CS_u~0.x 2)) c_~__CS_u~0.x)) (= (select .cse41 28) 0) (= |c_~#flag2~0.offset| 0) (exists ((v_~__CS_thread~0.base_39 (Array Int Int))) (= (store (store (store v_~__CS_thread~0.base_39 0 0) 1 0) 2 0) c_~__CS_thread~0.base)) (= 9 |c_~#turn~0.base|) (= (select .cse42 2) 0) (= (select .cse42 5) 0) (= 2 c_~__THREAD_FINISHED~0) (= |c_~#__CS_thread_born_round~0.offset| 0) (= (select .cse42 8) 0) (= c_~__CS_ret_FINISHED~0 4) (= 5 |c_~#__CS_thread_status~0.base|) (= 6 |c_~#__CS_thread_lockedon~0.base|) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet117#1_7| Int) (v_~__CS_u~0.flag2_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet118#1_7| Int)) (= c_~__CS_u~0.flag2 (store (store (store v_~__CS_u~0.flag2_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet117#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet118#1_7|) 2 (select c_~__CS_u~0.flag2 2)))) (<= .cse43 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (= 2 c_~__CS_ret_ERROR~0) (= (select .cse44 0) 0) (= 0 (select .cse45 16)) (= (select .cse46 0) 0) (= (select .cse47 0) 0) (= c_~__CS_ret~0 0) (<= 1 |c_#StackHeapBarrier|) (= (select .cse48 4) 0) (= (select .cse49 0) 0) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= (select .cse41 12) 0) (= |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 0) (= (select .cse45 32) 0) (= |c_~#__CS_thread_born_round~0.base| 4) (= 0 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (= (select .cse46 1) 0) (exists ((v_~__CS_u~0.flag1_9 (Array Int Int))) (= (store (store (store v_~__CS_u~0.flag1_9 0 0) 1 0) 2 0) c_~__CS_u~0.flag1)) (<= .cse43 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= .cse43 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (= |c_~#x~0.base| 10) (<= .cse43 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (= |c_~#flag1~0.offset| 0) (= 7 |c_~#flag1~0.base|) (= |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (= (select .cse42 4) 0) (= (select .cse42 7) 0) (= 3 |c_~#__CS_thread_allocated~0.base|) (= (select .cse50 1) 0) (<= .cse43 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (exists ((|v_#valid_55| (Array Int Int))) (let ((.cse55 (store |v_#valid_55| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base| 1))) (let ((.cse52 (store .cse55 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base| 1))) (let ((.cse53 (store .cse52 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base| 1))) (let ((.cse51 (store .cse53 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base| 1))) (let ((.cse54 (store .cse51 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base| 1))) (and (= (select .cse51 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) 0) (= (select .cse52 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) 0) (= (select |v_#valid_55| 8) 1) (= (select .cse53 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) 0) (= (select |v_#valid_55| 7) 1) (= (select |v_#valid_55| 0) 0) (= (select .cse54 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) 0) (= (select |v_#valid_55| 5) 1) (= |c_#valid| (store .cse54 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base| 1)) (= (select |v_#valid_55| 9) 1) (= (select |v_#valid_55| 10) 1) (= (select |v_#valid_55| 2) 1) (= (select |v_#valid_55| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 0) (= (select |v_#valid_55| 1) 1) (= (select |v_#valid_55| 3) 1) (= (select |v_#valid_55| 4) 1) (= (select |v_#valid_55| 6) 1) (= (select .cse55 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 0)))))))) (= (select .cse41 0) 0) (= (select .cse44 4) 0) (= (select .cse45 28) 0) (= (select .cse42 3) 0) (= (select .cse41 4) 0) (= (select .cse47 1) 0) (= c_~__CS_error~0 0) (= (select .cse42 6) 0) (= c_~__THREAD_UNUSED~0 0) (= (select .cse45 12) 0) (= (select .cse47 2) 0) (= (select .cse49 4) 0) (= (select .cse45 4) 0) (= 0 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (= (select .cse42 0) 0) (= (select .cse45 24) 0) (= 0 |c_~#x~0.offset|) (= (select .cse45 20) 0) (= (select .cse41 16) 0) (= 1 c_~__THREAD_RUNNING~0) (= |c_~#__CS_thread_status~0.offset| 0) (= 48 (select .cse50 0)) (= 0 (select .cse41 20)) (= (select .cse41 32) 0) (= (select .cse56 8) 0) (= (select .cse46 2) 0) (= (select .cse56 0) 0) (= (select .cse41 8) 0) (= 8 |c_~#flag2~0.base|) (exists ((v_~__CS_u~0.turn_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet120#1_7| Int) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet121#1_7| Int)) (= c_~__CS_u~0.turn (store (store (store v_~__CS_u~0.turn_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet120#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet121#1_7|) 2 (select c_~__CS_u~0.turn 2)))) (= (select .cse45 0) 0) (= (select .cse42 1) 0) (= 0 (select .cse49 8)) (= (select .cse45 8) 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (= (select .cse44 8) 0) .cse57 .cse58 (= |c_~#__CS_thread_allocated~0.offset| 0) (<= .cse43 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (= (select .cse56 4) 0) (exists ((|v_#length_22| (Array Int Int))) (and (= 9 (select |v_#length_22| 5)) (= (select |v_#length_22| 9) 12) (= (select |v_#length_22| 10) 12) (= (select |v_#length_22| 3) 3) (= (select |v_#length_22| 8) 12) (= (select |v_#length_22| 1) 2) (= 12 (select |v_#length_22| 7)) (= 3 (select |v_#length_22| 4)) (= |c_#length| (store (store (store (store (store (store |v_#length_22| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base| 9) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base| 36) |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base| 12) |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base| 12) |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base| 12) |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base| 12)) (= (select |v_#length_22| 6) 36) (= 14 (select |v_#length_22| 2)))) (= c_~__CS_ret_PREEMPTED~0 1) (exists ((v_~__CS_thread~0.offset_39 (Array Int Int))) (= (store (store (store v_~__CS_thread~0.offset_39 0 0) 1 0) 2 0) c_~__CS_thread~0.offset)) (= |c_~#__CS_thread_lockedon~0.offset| 0) (= (select .cse41 24) 0) (= (select .cse48 0) 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (= (select .cse48 8) 0) (= |c_~#turn~0.offset| 0)))) (exists ((|v_#memory_$Pointer$.base_139| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_130| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_141| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_140| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_138| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_137| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_136| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_133| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_132| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_143| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_131| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_142| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_252| (Array Int (Array Int Int)))) (let ((.cse62 (select |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base|)) (.cse60 (select |v_#memory_$Pointer$.base_143| |c_~#turn~0.base|)) (.cse63 (select |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_status~0.base|)) (.cse61 (select |v_#memory_$Pointer$.base_137| |c_~#flag2~0.base|)) (.cse59 (select |v_#memory_$Pointer$.base_139| |c_~#flag1~0.base|)) (.cse67 (select |v_#memory_$Pointer$.base_131| |c_~#x~0.base|)) (.cse65 (select |v_#memory_$Pointer$.base_135| |c_~#__CS_thread_status~0.base|)) (.cse66 (select |v_#memory_$Pointer$.base_141| |c_~#__CS_thread_status~0.base|)) (.cse64 (select |v_#memory_$Pointer$.base_133| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.base_139| |c_~#flag1~0.base| (store .cse59 .cse7 (select (select |v_#memory_$Pointer$.base_140| |c_~#flag1~0.base|) .cse7))) |v_#memory_$Pointer$.base_140|) (= (store |v_#memory_$Pointer$.base_136| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.base_136| |c_~#turn~0.base|) .cse17 (select .cse60 .cse17))) |v_#memory_$Pointer$.base_143|) (= (store |v_#memory_$Pointer$.base_137| |c_~#flag2~0.base| (store .cse61 .cse15 (select (select |v_#memory_$Pointer$.base_136| |c_~#flag2~0.base|) .cse15))) |v_#memory_$Pointer$.base_136|) (= (store |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base| (store .cse62 .cse11 (select .cse63 .cse11))) |v_#memory_$Pointer$.base_144|) (= |v_#memory_$Pointer$.base_145| (store |v_#memory_$Pointer$.base_133| |c_~#__CS_thread_status~0.base| (store .cse64 .cse13 (select .cse62 .cse13)))) (= (store |v_#memory_$Pointer$.base_143| |c_~#turn~0.base| (store .cse60 .cse40 (select (select |v_#memory_$Pointer$.base_142| |c_~#turn~0.base|) .cse40))) |v_#memory_$Pointer$.base_142|) (= (store |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_status~0.base| (store .cse63 .cse4 (select (select |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_status~0.base|) .cse4))) |v_#memory_$Pointer$.base_138|) (= (store |v_#memory_$Pointer$.base_140| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.base_140| |c_~#flag2~0.base|) .cse19 (select .cse61 .cse19))) |v_#memory_$Pointer$.base_137|) (= (store |v_#memory_$Pointer$.base_135| |c_~#__CS_thread_status~0.base| (store .cse65 .cse1 (select .cse66 .cse1))) |v_#memory_$Pointer$.base_141|) (= |v_#memory_$Pointer$.base_134| (store |v_#memory_$Pointer$.base_131| |c_~#x~0.base| (store .cse67 .cse9 (select (select |v_#memory_$Pointer$.base_134| |c_~#x~0.base|) .cse9)))) (= (let ((.cse68 (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| (let ((.cse69 (let ((.cse70 (let ((.cse71 (let ((.cse72 (let ((.cse73 (store (select |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base|) .cse37 (select (select |v_#memory_$Pointer$.base_138| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse38)))) (store .cse73 .cse35 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse73) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse36))))) (store .cse72 .cse32 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse72) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse33))))) (store .cse71 .cse29 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse71) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse30))))) (store .cse70 .cse26 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse70) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse27))))) (store .cse69 .cse23 (select (select (store |v_#memory_$Pointer$.base_138| |c_~#__CS_thread_lockedon~0.base| .cse69) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse24)))))) (store .cse68 |c_~#flag1~0.base| (store (select .cse68 |c_~#flag1~0.base|) .cse21 (select .cse59 .cse21)))) |v_#memory_$Pointer$.base_139|) (= (store |v_#memory_$Pointer$.base_130| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_130| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_132| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.base_132|) (= (store |v_#memory_$Pointer$.base_142| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.base_142| |c_~#x~0.base|) .cse16 (select .cse67 .cse16))) |v_#memory_$Pointer$.base_131|) (= (store |v_#memory_$Pointer$.base_134| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_134| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_130| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_130|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_132| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_132| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base|) .cse5 (select .cse65 .cse5))) |v_#memory_$Pointer$.base_135|) (= (store |v_#memory_$Pointer$.base_141| |c_~#__CS_thread_status~0.base| (store .cse66 .cse39 (select .cse64 .cse39))) |v_#memory_$Pointer$.base_133|)))) (exists ((|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_int_115| (Array Int (Array Int Int))) (|v_#memory_int_116| (Array Int (Array Int Int))) (|v_#memory_int_117| (Array Int (Array Int Int))) (|v_#memory_int_165| (Array Int (Array Int Int))) (|v_#memory_int_112| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int)))) (let ((.cse83 (select |v_#memory_int_112| |c_~#__CS_thread_lockedon~0.base|)) (.cse74 (select |v_#memory_int_117| |c_~#__CS_thread_lockedon~0.base|)) (.cse82 (select |v_#memory_int_113| |c_~#__CS_thread_lockedon~0.base|)) (.cse76 (select |v_#memory_int_115| |c_~#__CS_thread_lockedon~0.base|)) (.cse94 (select |v_#memory_int_114| |c_~#__CS_thread_lockedon~0.base|))) (and (= (store |v_#memory_int_117| |c_~#__CS_thread_lockedon~0.base| (store .cse74 .cse23 (select (select |v_#memory_int_116| |c_~#__CS_thread_lockedon~0.base|) .cse23))) |v_#memory_int_116|) (= (let ((.cse75 (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| (let ((.cse77 (let ((.cse78 (let ((.cse79 (let ((.cse80 (let ((.cse81 (store (select |v_#memory_int_165| |c_~#__CS_thread_status~0.base|) .cse5 (select (select |v_#memory_int_165| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 3))))) (store .cse81 .cse1 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse81) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 6)))))) (store .cse80 .cse39 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse80) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 4)))))) (store .cse79 .cse13 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse79) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ 7 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|)))))) (store .cse78 .cse11 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse78) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 5)))))) (store .cse77 .cse4 (select (select (store |v_#memory_int_165| |c_~#__CS_thread_status~0.base| .cse77) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 8))))))) (store .cse75 |c_~#__CS_thread_lockedon~0.base| (store (select .cse75 |c_~#__CS_thread_lockedon~0.base|) .cse37 (select .cse76 .cse37)))) |v_#memory_int_115|) (= |v_#memory_int_112| (store |v_#memory_int_113| |c_~#__CS_thread_lockedon~0.base| (store .cse82 .cse29 (select .cse83 .cse29)))) (= |c_#memory_int| (let ((.cse84 (let ((.cse85 (let ((.cse86 (let ((.cse87 (let ((.cse89 (let ((.cse91 (store |v_#memory_int_116| |c_~#flag1~0.base| (let ((.cse93 (store (select |v_#memory_int_116| |c_~#flag1~0.base|) .cse21 (select (select |v_#memory_int_116| |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))) (store .cse93 .cse7 (select (select (store |v_#memory_int_116| |c_~#flag1~0.base| .cse93) |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))))) (store .cse91 |c_~#flag2~0.base| (let ((.cse92 (store (select .cse91 |c_~#flag2~0.base|) .cse19 (select (select .cse91 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 4))))) (store .cse92 .cse15 (select (select (store .cse91 |c_~#flag2~0.base| .cse92) |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 8)))))))) (store .cse89 |c_~#turn~0.base| (let ((.cse90 (store (select .cse89 |c_~#turn~0.base|) .cse17 (select (select .cse89 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 4))))) (store .cse90 .cse40 (select (select (store .cse89 |c_~#turn~0.base| .cse90) |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 8)))))))) (store .cse87 |c_~#x~0.base| (let ((.cse88 (store (select .cse87 |c_~#x~0.base|) .cse16 (select (select .cse87 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|))))) (store .cse88 .cse9 (select (select (store .cse87 |c_~#x~0.base| .cse88) |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|)))))))) (store .cse86 |c_~#__CS_thread_born_round~0.base| (store (select .cse86 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse85 |c_~#__CS_thread_status~0.base| (store (select .cse85 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse84 |c_~#__CS_thread_allocated~0.base| (store (select .cse84 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1)))) (= (store |v_#memory_int_112| |c_~#__CS_thread_lockedon~0.base| (store .cse83 .cse26 (select .cse74 .cse26))) |v_#memory_int_117|) (= (store |v_#memory_int_114| |c_~#__CS_thread_lockedon~0.base| (store .cse94 .cse32 (select .cse82 .cse32))) |v_#memory_int_113|) (= (store |v_#memory_int_115| |c_~#__CS_thread_lockedon~0.base| (store .cse76 .cse35 (select .cse94 .cse35))) |v_#memory_int_114|)))) (exists ((v_~__CS_thread~0.offset_40 (Array Int Int))) (= (store v_~__CS_thread~0.offset_40 0 |#funAddr~main_thread.offset|) c_~__CS_thread~0.offset)) .cse57 .cse58)) is different from false [2023-11-12 00:15:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:15:43,388 INFO L93 Difference]: Finished difference Result 186 states and 262 transitions. [2023-11-12 00:15:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:15:43,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 93 [2023-11-12 00:15:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:15:43,391 INFO L225 Difference]: With dead ends: 186 [2023-11-12 00:15:43,391 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 00:15:43,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=21, Invalid=27, Unknown=2, NotChecked=22, Total=72 [2023-11-12 00:15:43,394 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:15:43,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 1 Unknown, 48 Unchecked, 2.7s Time] [2023-11-12 00:15:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 00:15:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-12 00:15:43,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 57 states have internal predecessors, (68), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 00:15:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2023-11-12 00:15:43,416 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 93 [2023-11-12 00:15:43,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:15:43,417 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2023-11-12 00:15:43,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:15:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2023-11-12 00:15:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-12 00:15:43,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:43,420 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:15:43,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:15:43,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:15:43,630 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:15:43,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:43,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1883691059, now seen corresponding path program 1 times [2023-11-12 00:15:43,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066185562] [2023-11-12 00:15:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:43,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:15:44,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:44,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066185562] [2023-11-12 00:15:44,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066185562] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:15:44,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127722495] [2023-11-12 00:15:44,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:44,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:15:44,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:15:44,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:15:44,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e249ad5f-5e1f-44db-9e48-8ffda768d875/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:15:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:44,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:15:44,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:15:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:15:44,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:15:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:15:44,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127722495] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:15:44,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [948353256] [2023-11-12 00:15:44,758 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2023-11-12 00:15:44,758 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:15:44,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:15:44,760 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:15:44,760 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs