./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_dekker.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_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/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_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/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_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/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 ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:47,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:48,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:09:48,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:48,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:48,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:48,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:48,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:48,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:48,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:48,144 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:48,145 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:48,146 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:48,148 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:48,149 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:48,149 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:48,150 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:48,150 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:48,151 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:48,151 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:48,152 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:48,152 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:48,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:48,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:48,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:48,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:48,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:48,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:48,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:48,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:48,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:48,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:48,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:48,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:48,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:48,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:48,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:48,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:48,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:48,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:48,162 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:48,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:48,162 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:48,163 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:48,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:48,164 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_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2023-11-12 00:09:48,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:48,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:48,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:48,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:48,470 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:48,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-11-12 00:09:51,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:52,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:52,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-11-12 00:09:52,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/data/6bacf0403/765b221cd4f64b569102529a08f5a23a/FLAG6c91aa096 [2023-11-12 00:09:52,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/data/6bacf0403/765b221cd4f64b569102529a08f5a23a [2023-11-12 00:09:52,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:52,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:52,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:52,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:52,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:52,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad7eed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52, skipping insertion in model container [2023-11-12 00:09:52,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:52,688 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_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2023-11-12 00:09:52,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:52,864 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:52,928 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_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2023-11-12 00:09:53,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:53,082 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:53,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53 WrapperNode [2023-11-12 00:09:53,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:53,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:53,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:53,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:53,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,227 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 455 [2023-11-12 00:09:53,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:53,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:53,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:53,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:53,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:53,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:53,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:53,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:53,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (1/1) ... [2023-11-12 00:09:53,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:53,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:53,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:53,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-12 00:09:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-12 00:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-12 00:09:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-12 00:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:09:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:09:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:09:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:09:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-12 00:09:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-12 00:09:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:09:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:53,671 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:53,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:56,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:56,887 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:56,888 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:09:56,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:56 BoogieIcfgContainer [2023-11-12 00:09:56,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:56,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:56,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:56,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:56,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:52" (1/3) ... [2023-11-12 00:09:56,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a955c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:56, skipping insertion in model container [2023-11-12 00:09:56,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:53" (2/3) ... [2023-11-12 00:09:56,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a955c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:56, skipping insertion in model container [2023-11-12 00:09:56,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:56" (3/3) ... [2023-11-12 00:09:56,902 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_dekker.i [2023-11-12 00:09:56,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:56,924 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:56,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:57,006 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;@707ce48d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:57,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 57 states have (on average 1.263157894736842) internal successors, (72), 58 states have internal predecessors, (72), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:09:57,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 00:09:57,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:57,032 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 00:09:57,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:57,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash 211155562, now seen corresponding path program 1 times [2023-11-12 00:09:57,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:57,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828545424] [2023-11-12 00:09:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:57,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:58,134 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 00:09:58,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:58,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828545424] [2023-11-12 00:09:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828545424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:58,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:58,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:58,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872229370] [2023-11-12 00:09:58,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:58,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:58,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:58,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:58,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:58,206 INFO L87 Difference]: Start difference. First operand has 99 states, 57 states have (on average 1.263157894736842) internal successors, (72), 58 states have internal predecessors, (72), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) 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 00:10:00,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:02,304 WARN L539 Checker$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 00:10:02,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:02,463 INFO L93 Difference]: Finished difference Result 197 states and 283 transitions. [2023-11-12 00:10:02,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:10:02,466 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 00:10:02,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:02,477 INFO L225 Difference]: With dead ends: 197 [2023-11-12 00:10:02,478 INFO L226 Difference]: Without dead ends: 99 [2023-11-12 00:10:02,482 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 00:10:02,487 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 2 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:02,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 250 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-12 00:10:02,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-12 00:10:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2023-11-12 00:10:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 57 states have internal predecessors, (70), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:10:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2023-11-12 00:10:02,553 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 90 [2023-11-12 00:10:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:02,554 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2023-11-12 00:10:02,554 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 00:10:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2023-11-12 00:10:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 00:10:02,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:02,577 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 00:10:02,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:10:02,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:02,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:02,579 INFO L85 PathProgramCache]: Analyzing trace with hash 68824208, now seen corresponding path program 1 times [2023-11-12 00:10:02,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:02,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551923446] [2023-11-12 00:10:02,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:02,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:03,169 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 00:10:03,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:03,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551923446] [2023-11-12 00:10:03,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551923446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:03,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:03,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:03,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600347355] [2023-11-12 00:10:03,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:03,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:10:03,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:10:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:10:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:03,182 INFO L87 Difference]: Start difference. First operand 98 states and 140 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 00:10:05,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:07,298 WARN L539 Checker$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 00:10:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:07,425 INFO L93 Difference]: Finished difference Result 195 states and 280 transitions. [2023-11-12 00:10:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:10:07,426 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 00:10:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:07,429 INFO L225 Difference]: With dead ends: 195 [2023-11-12 00:10:07,429 INFO L226 Difference]: Without dead ends: 99 [2023-11-12 00:10:07,431 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 00:10:07,433 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:07,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-12 00:10:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-12 00:10:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-12 00:10:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:10:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-12 00:10:07,455 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 92 [2023-11-12 00:10:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:07,456 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-12 00:10:07,456 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 00:10:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-12 00:10:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 00:10:07,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:07,461 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 00:10:07,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:10:07,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:07,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:07,462 INFO L85 PathProgramCache]: Analyzing trace with hash 587468446, now seen corresponding path program 1 times [2023-11-12 00:10:07,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:07,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376234293] [2023-11-12 00:10:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:07,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:07,916 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 00:10:07,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:07,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376234293] [2023-11-12 00:10:07,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376234293] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:07,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840585272] [2023-11-12 00:10:07,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:07,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:07,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:07,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:07,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:10:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:08,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:10:08,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:08,623 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 00:10:08,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:08,742 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 00:10:08,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840585272] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:08,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [961836884] [2023-11-12 00:10:08,773 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2023-11-12 00:10:08,774 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:10:08,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:10:08,785 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:10:08,785 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:10:36,286 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:10:40,183 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse20 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse34 (+ |c_~#flag2~0.offset| 8)) (.cse15 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse27 (+ 4 |c_~#x~0.offset|)) (.cse19 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse26 (+ 8 |c_~#x~0.offset|)) (.cse37 (+ |c_~#flag1~0.offset| 8)) (.cse30 (+ 8 |c_~#turn~0.offset|)) (.cse35 (+ |c_~#flag2~0.offset| 4)) (.cse31 (+ 4 |c_~#turn~0.offset|)) (.cse38 (+ |c_~#flag1~0.offset| 4)) (.cse4 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse49 (+ 32 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse39 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse51 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 20)) (.cse5 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse53 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 28)) (.cse1 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse55 (+ 16 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse40 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse57 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 24)) (.cse8 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse58 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 12)) (.cse11 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse17 (+ |c_~#__CS_thread_status~0.offset| 4))) (and (exists ((|v_#memory_int_171| (Array Int (Array Int Int))) (|v_#memory_int_98| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_int_99| (Array Int (Array Int Int))) (|v_#memory_int_100| (Array Int (Array Int Int))) (|v_#memory_int_101| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse2 (select |v_#memory_int_99| |c_~#__CS_thread_lockedon~0.base|)) (.cse6 (select |v_#memory_int_98| |c_~#__CS_thread_lockedon~0.base|)) (.cse3 (select |v_#memory_int_103| |c_~#__CS_thread_lockedon~0.base|)) (.cse9 (select |v_#memory_int_101| |c_~#__CS_thread_lockedon~0.base|)) (.cse0 (select |v_#memory_int_100| |c_~#__CS_thread_lockedon~0.base|))) (and (= |v_#memory_int_99| (store |v_#memory_int_100| |c_~#__CS_thread_lockedon~0.base| (store .cse0 .cse1 (select .cse2 .cse1)))) (= (store |v_#memory_int_103| |c_~#__CS_thread_lockedon~0.base| (store .cse3 .cse4 (select (select |v_#memory_int_102| |c_~#__CS_thread_lockedon~0.base|) .cse4))) |v_#memory_int_102|) (= (store |v_#memory_int_99| |c_~#__CS_thread_lockedon~0.base| (store .cse2 .cse5 (select .cse6 .cse5))) |v_#memory_int_98|) (= (let ((.cse7 (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| (let ((.cse10 (let ((.cse12 (let ((.cse14 (let ((.cse16 (let ((.cse18 (store (select |v_#memory_int_171| |c_~#__CS_thread_status~0.base|) .cse20 (select (select |v_#memory_int_171| |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 .cse18 .cse19 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse18) |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 .cse16 .cse17 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse16) |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 .cse14 .cse15 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse14) |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 .cse12 .cse13 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse12) |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 .cse10 .cse11 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse10) |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 .cse7 |c_~#__CS_thread_lockedon~0.base| (store (select .cse7 |c_~#__CS_thread_lockedon~0.base|) .cse8 (select .cse9 .cse8)))) |v_#memory_int_101|) (= |c_#memory_int| (let ((.cse21 (let ((.cse22 (let ((.cse23 (let ((.cse24 (let ((.cse28 (let ((.cse32 (store |v_#memory_int_102| |c_~#flag1~0.base| (let ((.cse36 (store (select |v_#memory_int_102| |c_~#flag1~0.base|) .cse38 (select (select |v_#memory_int_102| |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))) (store .cse36 .cse37 (select (select (store |v_#memory_int_102| |c_~#flag1~0.base| .cse36) |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))))) (store .cse32 |c_~#flag2~0.base| (let ((.cse33 (store (select .cse32 |c_~#flag2~0.base|) .cse35 (select (select .cse32 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 4))))) (store .cse33 .cse34 (select (select (store .cse32 |c_~#flag2~0.base| .cse33) |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 8)))))))) (store .cse28 |c_~#turn~0.base| (let ((.cse29 (store (select .cse28 |c_~#turn~0.base|) .cse31 (select (select .cse28 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 4))))) (store .cse29 .cse30 (select (select (store .cse28 |c_~#turn~0.base| .cse29) |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 8)))))))) (store .cse24 |c_~#x~0.base| (let ((.cse25 (store (select .cse24 |c_~#x~0.base|) .cse27 (select (select .cse24 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|))))) (store .cse25 .cse26 (select (select (store .cse24 |c_~#x~0.base| .cse25) |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|)))))))) (store .cse23 |c_~#__CS_thread_born_round~0.base| (store (select .cse23 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse22 |c_~#__CS_thread_status~0.base| (store (select .cse22 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse21 |c_~#__CS_thread_allocated~0.base| (store (select .cse21 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1)))) (= (store |v_#memory_int_98| |c_~#__CS_thread_lockedon~0.base| (store .cse6 .cse39 (select .cse3 .cse39))) |v_#memory_int_103|) (= (store |v_#memory_int_101| |c_~#__CS_thread_lockedon~0.base| (store .cse9 .cse40 (select .cse0 .cse40))) |v_#memory_int_100|)))) (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|))) (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_99| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_98| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_109| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_105| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_104| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_101| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_100| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_111| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_110| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_252| (Array Int (Array Int Int)))) (let ((.cse42 (select |v_#memory_$Pointer$.base_108| |c_~#__CS_thread_status~0.base|)) (.cse43 (select |v_#memory_$Pointer$.base_107| |c_~#__CS_thread_status~0.base|)) (.cse47 (select |v_#memory_$Pointer$.base_96| |c_~#flag1~0.base|)) (.cse45 (select |v_#memory_$Pointer$.base_99| |c_~#x~0.base|)) (.cse59 (select |v_#memory_$Pointer$.base_111| |c_~#turn~0.base|)) (.cse60 (select |v_#memory_$Pointer$.base_97| |c_~#flag2~0.base|)) (.cse44 (select |v_#memory_$Pointer$.base_106| |c_~#__CS_thread_status~0.base|)) (.cse61 (select |v_#memory_$Pointer$.base_101| |c_~#__CS_thread_status~0.base|)) (.cse41 (select |v_#memory_$Pointer$.base_104| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.base_104| |c_~#__CS_thread_status~0.base| (store .cse41 .cse17 (select .cse42 .cse17))) |v_#memory_$Pointer$.base_108|) (= (store |v_#memory_$Pointer$.base_107| |c_~#__CS_thread_status~0.base| (store .cse43 .cse13 (select .cse44 .cse13))) |v_#memory_$Pointer$.base_106|) (= (store |v_#memory_$Pointer$.base_108| |c_~#__CS_thread_status~0.base| (store .cse42 .cse15 (select .cse43 .cse15))) |v_#memory_$Pointer$.base_107|) (= |v_#memory_$Pointer$.base_102| (store |v_#memory_$Pointer$.base_99| |c_~#x~0.base| (store .cse45 .cse26 (select (select |v_#memory_$Pointer$.base_102| |c_~#x~0.base|) .cse26)))) (= (let ((.cse46 (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| (let ((.cse48 (let ((.cse50 (let ((.cse52 (let ((.cse54 (let ((.cse56 (store (select |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base|) .cse8 (select (select |v_#memory_$Pointer$.base_105| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse58)))) (store .cse56 .cse40 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse56) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse57))))) (store .cse54 .cse1 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse54) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse55))))) (store .cse52 .cse5 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse52) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse53))))) (store .cse50 .cse39 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse50) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse51))))) (store .cse48 .cse4 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse48) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse49)))))) (store .cse46 |c_~#flag1~0.base| (store (select .cse46 |c_~#flag1~0.base|) .cse38 (select .cse47 .cse38)))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_109| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.base_109| |c_~#turn~0.base|) .cse31 (select .cse59 .cse31))) |v_#memory_$Pointer$.base_111|) (= (store |v_#memory_$Pointer$.base_96| |c_~#flag1~0.base| (store .cse47 .cse37 (select (select |v_#memory_$Pointer$.base_98| |c_~#flag1~0.base|) .cse37))) |v_#memory_$Pointer$.base_98|) (= |v_#memory_$Pointer$.base_99| (store |v_#memory_$Pointer$.base_100| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.base_100| |c_~#x~0.base|) .cse27 (select .cse45 .cse27)))) (= (store |v_#memory_$Pointer$.base_97| |c_~#flag2~0.base| (store .cse60 .cse34 (select (select |v_#memory_$Pointer$.base_109| |c_~#flag2~0.base|) .cse34))) |v_#memory_$Pointer$.base_109|) (= |v_#memory_$Pointer$.base_110| (store |v_#memory_$Pointer$.base_103| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_103| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_110| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|)))) (= (store |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base|) .cse20 (select .cse61 .cse20))) |v_#memory_$Pointer$.base_101|) (= (store |v_#memory_$Pointer$.base_111| |c_~#turn~0.base| (store .cse59 .cse30 (select (select |v_#memory_$Pointer$.base_100| |c_~#turn~0.base|) .cse30))) |v_#memory_$Pointer$.base_100|) (= (store |v_#memory_$Pointer$.base_98| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.base_98| |c_~#flag2~0.base|) .cse35 (select .cse60 .cse35))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.base_106| |c_~#__CS_thread_status~0.base| (store .cse44 .cse11 (select (select |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_status~0.base|) .cse11))) |v_#memory_$Pointer$.base_105|) (= (store |v_#memory_$Pointer$.base_101| |c_~#__CS_thread_status~0.base| (store .cse61 .cse19 (select .cse41 .cse19))) |v_#memory_$Pointer$.base_104|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_110| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_110| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.base_102| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_102| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_103| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_103|)))) (<= 3 |c_ULTIMATE.start_main_~i~0#1|) (<= 3 |c_ULTIMATE.start_main_~j~2#1|) (exists ((|v_#memory_$Pointer$.offset_104| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_105| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_109| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_99| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_98| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_252| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_110| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_111| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_100| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_101| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_103| (Array Int (Array Int Int)))) (let ((.cse62 (select |v_#memory_$Pointer$.offset_104| |c_~#__CS_thread_status~0.base|)) (.cse64 (select |v_#memory_$Pointer$.offset_107| |c_~#__CS_thread_status~0.base|)) (.cse67 (select |v_#memory_$Pointer$.offset_101| |c_~#x~0.base|)) (.cse65 (select |v_#memory_$Pointer$.offset_98| |c_~#flag2~0.base|)) (.cse70 (select |v_#memory_$Pointer$.offset_102| |c_~#turn~0.base|)) (.cse69 (select |v_#memory_$Pointer$.offset_100| |c_~#flag1~0.base|)) (.cse63 (select |v_#memory_$Pointer$.offset_97| |c_~#__CS_thread_status~0.base|)) (.cse68 (select |v_#memory_$Pointer$.offset_106| |c_~#__CS_thread_status~0.base|)) (.cse66 (select |v_#memory_$Pointer$.offset_105| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_104| |c_~#__CS_thread_status~0.base| (store .cse62 .cse13 (select .cse63 .cse13))) |v_#memory_$Pointer$.offset_97|) (= |v_#memory_$Pointer$.offset_107| (store |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base|) .cse20 (select .cse64 .cse20)))) (= (store |v_#memory_$Pointer$.offset_98| |c_~#flag2~0.base| (store .cse65 .cse34 (select (select |v_#memory_$Pointer$.offset_103| |c_~#flag2~0.base|) .cse34))) |v_#memory_$Pointer$.offset_103|) (= |v_#memory_$Pointer$.offset_104| (store |v_#memory_$Pointer$.offset_105| |c_~#__CS_thread_status~0.base| (store .cse66 .cse15 (select .cse62 .cse15)))) (= |v_#memory_$Pointer$.offset_101| (store |v_#memory_$Pointer$.offset_110| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.offset_110| |c_~#x~0.base|) .cse27 (select .cse67 .cse27)))) (= |v_#memory_$Pointer$.offset_106| (store |v_#memory_$Pointer$.offset_107| |c_~#__CS_thread_status~0.base| (store .cse64 .cse19 (select .cse68 .cse19)))) (= (store |v_#memory_$Pointer$.offset_109| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_109| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_108| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_108|) (= (store |v_#memory_$Pointer$.offset_101| |c_~#x~0.base| (store .cse67 .cse26 (select (select |v_#memory_$Pointer$.offset_111| |c_~#x~0.base|) .cse26))) |v_#memory_$Pointer$.offset_111|) (= (store |v_#memory_$Pointer$.offset_111| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_111| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_109| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_109|) (= |v_#memory_$Pointer$.offset_99| (store |v_#memory_$Pointer$.offset_100| |c_~#flag1~0.base| (store .cse69 .cse37 (select (select |v_#memory_$Pointer$.offset_99| |c_~#flag1~0.base|) .cse37)))) (= |v_#memory_$Pointer$.offset_110| (store |v_#memory_$Pointer$.offset_102| |c_~#turn~0.base| (store .cse70 .cse30 (select (select |v_#memory_$Pointer$.offset_110| |c_~#turn~0.base|) .cse30)))) (= (store |v_#memory_$Pointer$.offset_99| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.offset_99| |c_~#flag2~0.base|) .cse35 (select .cse65 .cse35))) |v_#memory_$Pointer$.offset_98|) (= |v_#memory_$Pointer$.offset_102| (store |v_#memory_$Pointer$.offset_103| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.offset_103| |c_~#turn~0.base|) .cse31 (select .cse70 .cse31)))) (= |v_#memory_$Pointer$.offset_100| (let ((.cse71 (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| (let ((.cse72 (let ((.cse73 (let ((.cse74 (let ((.cse75 (let ((.cse76 (store (select |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base|) .cse8 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse58)))) (store .cse76 .cse40 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse76) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse57))))) (store .cse75 .cse1 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse75) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse55))))) (store .cse74 .cse5 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse74) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse53))))) (store .cse73 .cse39 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse73) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse51))))) (store .cse72 .cse4 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse72) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse49)))))) (store .cse71 |c_~#flag1~0.base| (store (select .cse71 |c_~#flag1~0.base|) .cse38 (select .cse69 .cse38))))) (= (store |v_#memory_$Pointer$.offset_97| |c_~#__CS_thread_status~0.base| (store .cse63 .cse11 (select (select |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_status~0.base|) .cse11))) |v_#memory_$Pointer$.offset_96|) (= (store |v_#memory_$Pointer$.offset_108| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_108| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.offset_106| |c_~#__CS_thread_status~0.base| (store .cse68 .cse17 (select .cse66 .cse17))) |v_#memory_$Pointer$.offset_105|)))) (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) (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_ULTIMATE.start_main_#t~mem68#1|))) is different from false [2023-11-12 00:10:40,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [961836884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:40,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:10:40,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4, 4] total 8 [2023-11-12 00:10:40,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781665821] [2023-11-12 00:10:40,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:40,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:10:40,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:10:40,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:10:40,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2023-11-12 00:10:40,200 INFO L87 Difference]: Start difference. First operand 99 states and 141 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 00:10:42,314 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 [0] [2023-11-12 00:10:44,359 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse20 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse34 (+ |c_~#flag2~0.offset| 8)) (.cse15 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse27 (+ 4 |c_~#x~0.offset|)) (.cse19 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse26 (+ 8 |c_~#x~0.offset|)) (.cse37 (+ |c_~#flag1~0.offset| 8)) (.cse30 (+ 8 |c_~#turn~0.offset|)) (.cse35 (+ |c_~#flag2~0.offset| 4)) (.cse31 (+ 4 |c_~#turn~0.offset|)) (.cse38 (+ |c_~#flag1~0.offset| 4)) (.cse4 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse49 (+ 32 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse39 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse51 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 20)) (.cse5 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse53 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 28)) (.cse1 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse55 (+ 16 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse40 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse57 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 24)) (.cse8 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse58 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 12)) (.cse11 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse17 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse78 (= c_~__CS_round~0 0)) (.cse79 (= c_~__CS_thread_index~0 0))) (and (exists ((|v_#memory_int_171| (Array Int (Array Int Int))) (|v_#memory_int_98| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_int_99| (Array Int (Array Int Int))) (|v_#memory_int_100| (Array Int (Array Int Int))) (|v_#memory_int_101| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse2 (select |v_#memory_int_99| |c_~#__CS_thread_lockedon~0.base|)) (.cse6 (select |v_#memory_int_98| |c_~#__CS_thread_lockedon~0.base|)) (.cse3 (select |v_#memory_int_103| |c_~#__CS_thread_lockedon~0.base|)) (.cse9 (select |v_#memory_int_101| |c_~#__CS_thread_lockedon~0.base|)) (.cse0 (select |v_#memory_int_100| |c_~#__CS_thread_lockedon~0.base|))) (and (= |v_#memory_int_99| (store |v_#memory_int_100| |c_~#__CS_thread_lockedon~0.base| (store .cse0 .cse1 (select .cse2 .cse1)))) (= (store |v_#memory_int_103| |c_~#__CS_thread_lockedon~0.base| (store .cse3 .cse4 (select (select |v_#memory_int_102| |c_~#__CS_thread_lockedon~0.base|) .cse4))) |v_#memory_int_102|) (= (store |v_#memory_int_99| |c_~#__CS_thread_lockedon~0.base| (store .cse2 .cse5 (select .cse6 .cse5))) |v_#memory_int_98|) (= (let ((.cse7 (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| (let ((.cse10 (let ((.cse12 (let ((.cse14 (let ((.cse16 (let ((.cse18 (store (select |v_#memory_int_171| |c_~#__CS_thread_status~0.base|) .cse20 (select (select |v_#memory_int_171| |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 .cse18 .cse19 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse18) |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 .cse16 .cse17 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse16) |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 .cse14 .cse15 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse14) |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 .cse12 .cse13 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse12) |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 .cse10 .cse11 (select (select (store |v_#memory_int_171| |c_~#__CS_thread_status~0.base| .cse10) |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 .cse7 |c_~#__CS_thread_lockedon~0.base| (store (select .cse7 |c_~#__CS_thread_lockedon~0.base|) .cse8 (select .cse9 .cse8)))) |v_#memory_int_101|) (= |c_#memory_int| (let ((.cse21 (let ((.cse22 (let ((.cse23 (let ((.cse24 (let ((.cse28 (let ((.cse32 (store |v_#memory_int_102| |c_~#flag1~0.base| (let ((.cse36 (store (select |v_#memory_int_102| |c_~#flag1~0.base|) .cse38 (select (select |v_#memory_int_102| |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))) (store .cse36 .cse37 (select (select (store |v_#memory_int_102| |c_~#flag1~0.base| .cse36) |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|))))))) (store .cse32 |c_~#flag2~0.base| (let ((.cse33 (store (select .cse32 |c_~#flag2~0.base|) .cse35 (select (select .cse32 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 4))))) (store .cse33 .cse34 (select (select (store .cse32 |c_~#flag2~0.base| .cse33) |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 8)))))))) (store .cse28 |c_~#turn~0.base| (let ((.cse29 (store (select .cse28 |c_~#turn~0.base|) .cse31 (select (select .cse28 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 4))))) (store .cse29 .cse30 (select (select (store .cse28 |c_~#turn~0.base| .cse29) |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 8)))))))) (store .cse24 |c_~#x~0.base| (let ((.cse25 (store (select .cse24 |c_~#x~0.base|) .cse27 (select (select .cse24 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|))))) (store .cse25 .cse26 (select (select (store .cse24 |c_~#x~0.base| .cse25) |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|)))))))) (store .cse23 |c_~#__CS_thread_born_round~0.base| (store (select .cse23 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse22 |c_~#__CS_thread_status~0.base| (store (select .cse22 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse21 |c_~#__CS_thread_allocated~0.base| (store (select .cse21 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1)))) (= (store |v_#memory_int_98| |c_~#__CS_thread_lockedon~0.base| (store .cse6 .cse39 (select .cse3 .cse39))) |v_#memory_int_103|) (= (store |v_#memory_int_101| |c_~#__CS_thread_lockedon~0.base| (store .cse9 .cse40 (select .cse0 .cse40))) |v_#memory_int_100|)))) (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|))) (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_99| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_98| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_109| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_105| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_104| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_101| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_100| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_111| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_110| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_252| (Array Int (Array Int Int)))) (let ((.cse42 (select |v_#memory_$Pointer$.base_108| |c_~#__CS_thread_status~0.base|)) (.cse43 (select |v_#memory_$Pointer$.base_107| |c_~#__CS_thread_status~0.base|)) (.cse47 (select |v_#memory_$Pointer$.base_96| |c_~#flag1~0.base|)) (.cse45 (select |v_#memory_$Pointer$.base_99| |c_~#x~0.base|)) (.cse59 (select |v_#memory_$Pointer$.base_111| |c_~#turn~0.base|)) (.cse60 (select |v_#memory_$Pointer$.base_97| |c_~#flag2~0.base|)) (.cse44 (select |v_#memory_$Pointer$.base_106| |c_~#__CS_thread_status~0.base|)) (.cse61 (select |v_#memory_$Pointer$.base_101| |c_~#__CS_thread_status~0.base|)) (.cse41 (select |v_#memory_$Pointer$.base_104| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.base_104| |c_~#__CS_thread_status~0.base| (store .cse41 .cse17 (select .cse42 .cse17))) |v_#memory_$Pointer$.base_108|) (= (store |v_#memory_$Pointer$.base_107| |c_~#__CS_thread_status~0.base| (store .cse43 .cse13 (select .cse44 .cse13))) |v_#memory_$Pointer$.base_106|) (= (store |v_#memory_$Pointer$.base_108| |c_~#__CS_thread_status~0.base| (store .cse42 .cse15 (select .cse43 .cse15))) |v_#memory_$Pointer$.base_107|) (= |v_#memory_$Pointer$.base_102| (store |v_#memory_$Pointer$.base_99| |c_~#x~0.base| (store .cse45 .cse26 (select (select |v_#memory_$Pointer$.base_102| |c_~#x~0.base|) .cse26)))) (= (let ((.cse46 (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| (let ((.cse48 (let ((.cse50 (let ((.cse52 (let ((.cse54 (let ((.cse56 (store (select |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base|) .cse8 (select (select |v_#memory_$Pointer$.base_105| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse58)))) (store .cse56 .cse40 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse56) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse57))))) (store .cse54 .cse1 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse54) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse55))))) (store .cse52 .cse5 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse52) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse53))))) (store .cse50 .cse39 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse50) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse51))))) (store .cse48 .cse4 (select (select (store |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_lockedon~0.base| .cse48) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse49)))))) (store .cse46 |c_~#flag1~0.base| (store (select .cse46 |c_~#flag1~0.base|) .cse38 (select .cse47 .cse38)))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_109| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.base_109| |c_~#turn~0.base|) .cse31 (select .cse59 .cse31))) |v_#memory_$Pointer$.base_111|) (= (store |v_#memory_$Pointer$.base_96| |c_~#flag1~0.base| (store .cse47 .cse37 (select (select |v_#memory_$Pointer$.base_98| |c_~#flag1~0.base|) .cse37))) |v_#memory_$Pointer$.base_98|) (= |v_#memory_$Pointer$.base_99| (store |v_#memory_$Pointer$.base_100| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.base_100| |c_~#x~0.base|) .cse27 (select .cse45 .cse27)))) (= (store |v_#memory_$Pointer$.base_97| |c_~#flag2~0.base| (store .cse60 .cse34 (select (select |v_#memory_$Pointer$.base_109| |c_~#flag2~0.base|) .cse34))) |v_#memory_$Pointer$.base_109|) (= |v_#memory_$Pointer$.base_110| (store |v_#memory_$Pointer$.base_103| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_103| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_110| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|)))) (= (store |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_252| |c_~#__CS_thread_status~0.base|) .cse20 (select .cse61 .cse20))) |v_#memory_$Pointer$.base_101|) (= (store |v_#memory_$Pointer$.base_111| |c_~#turn~0.base| (store .cse59 .cse30 (select (select |v_#memory_$Pointer$.base_100| |c_~#turn~0.base|) .cse30))) |v_#memory_$Pointer$.base_100|) (= (store |v_#memory_$Pointer$.base_98| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.base_98| |c_~#flag2~0.base|) .cse35 (select .cse60 .cse35))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.base_106| |c_~#__CS_thread_status~0.base| (store .cse44 .cse11 (select (select |v_#memory_$Pointer$.base_105| |c_~#__CS_thread_status~0.base|) .cse11))) |v_#memory_$Pointer$.base_105|) (= (store |v_#memory_$Pointer$.base_101| |c_~#__CS_thread_status~0.base| (store .cse61 .cse19 (select .cse41 .cse19))) |v_#memory_$Pointer$.base_104|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_110| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_110| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.base_102| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_102| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_103| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_103|)))) (<= 3 |c_ULTIMATE.start_main_~i~0#1|) (<= 3 |c_ULTIMATE.start_main_~j~2#1|) (or (< 2 |c_ULTIMATE.start_main_~j~2#1|) (let ((.cse73 (select |c_#memory_int| 4)) (.cse76 (select |c_#memory_int| 1)) (.cse72 (select |c_#memory_int| 3)) (.cse63 (select |c_#memory_int| 5)) (.cse75 (select |c_#memory_int| 7)) (.cse71 (select |c_#memory_$Pointer$.offset| 6)) (.cse70 (select |c_#memory_int| 9)) (.cse69 (+ |c_#StackHeapBarrier| 1)) (.cse77 (select |c_#memory_int| 10)) (.cse62 (select |c_#memory_$Pointer$.base| 6)) (.cse74 (select |c_#memory_int| 8))) (and (= (select .cse62 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 .cse63 2) 0) (= (select .cse63 5) 0) (= 2 c_~__THREAD_FINISHED~0) (= |c_~#__CS_thread_born_round~0.offset| 0) (= (select .cse63 8) 0) (exists ((|v_#valid_58| (Array Int Int))) (let ((.cse66 (store |v_#valid_58| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base| 1))) (let ((.cse68 (store .cse66 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base| 1))) (let ((.cse65 (store .cse68 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base| 1))) (let ((.cse67 (store .cse65 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base| 1))) (let ((.cse64 (store .cse67 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base| 1))) (and (= (select |v_#valid_58| 6) 1) (= (select |v_#valid_58| 5) 1) (= (select |v_#valid_58| 0) 0) (= (select |v_#valid_58| 4) 1) (= (select |v_#valid_58| 8) 1) (= |c_#valid| (store .cse64 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base| 1)) (= (select |v_#valid_58| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 0) (= (select |v_#valid_58| 10) 1) (= (select .cse65 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) 0) (= (select |v_#valid_58| 2) 1) (= (select .cse64 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) 0) (= (select |v_#valid_58| 7) 1) (= (select |v_#valid_58| 9) 1) (= (select .cse66 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 0) (= (select |v_#valid_58| 3) 1) (= (select |v_#valid_58| 1) 1) (= (select .cse67 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) 0) (= (select .cse68 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) 0)))))))) (= c_~__CS_ret_FINISHED~0 4) (exists ((v_~__CS_u~0.flag2_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.flag2 (store (store (store v_~__CS_u~0.flag2_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.flag2 2)))) (= 5 |c_~#__CS_thread_status~0.base|) (= 6 |c_~#__CS_thread_lockedon~0.base|) (<= .cse69 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (= 2 c_~__CS_ret_ERROR~0) (= (select .cse70 0) 0) (= 0 (select .cse71 16)) (= (select .cse72 0) 0) (= (select .cse73 0) 0) (= c_~__CS_ret~0 0) (<= 1 |c_#StackHeapBarrier|) (= (select .cse74 4) 0) (= (select .cse75 0) 0) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= (select .cse62 12) 0) (= |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.offset| 0) (= (select .cse71 32) 0) (= |c_~#__CS_thread_born_round~0.base| 4) (= 0 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (= (select .cse72 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)) (<= .cse69 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= .cse69 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (= |c_~#x~0.base| 10) (<= .cse69 |c_ULTIMATE.start_main_~#__CS_cp_turn~0#1.base|) (= |c_~#flag1~0.offset| 0) (= 7 |c_~#flag1~0.base|) (exists ((v_~__CS_u~0.turn_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet123#1_7| Int) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet124#1_7| Int)) (= c_~__CS_u~0.turn (store (store (store v_~__CS_u~0.turn_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.turn 2)))) (= |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (= (select .cse63 4) 0) (= (select .cse63 7) 0) (= 3 |c_~#__CS_thread_allocated~0.base|) (= (select .cse76 1) 0) (<= .cse69 |c_ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet127#1_7| Int) (v_~__CS_u~0.x_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet126#1_7| Int)) (= c_~__CS_u~0.x (store (store (store v_~__CS_u~0.x_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet126#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet127#1_7|) 2 (select c_~__CS_u~0.x 2)))) (= (select .cse62 0) 0) (= (select .cse70 4) 0) (= (select .cse71 28) 0) (= (select .cse63 3) 0) (= (select .cse62 4) 0) (= (select .cse73 1) 0) (= c_~__CS_error~0 0) (= (select .cse63 6) 0) (= c_~__THREAD_UNUSED~0 0) (= (select .cse71 12) 0) (= (select .cse73 2) 0) (= (select .cse75 4) 0) (= (select .cse71 4) 0) (= 0 |c_ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (= (select .cse63 0) 0) (= (select .cse71 24) 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)) (= 12 (select |v_#length_22| 2)) (= |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))) (= 0 |c_~#x~0.offset|) (= (select .cse71 20) 0) (= (select .cse62 16) 0) (= 1 c_~__THREAD_RUNNING~0) (= |c_~#__CS_thread_status~0.offset| 0) (= 48 (select .cse76 0)) (= 0 (select .cse62 20)) (= (select .cse62 32) 0) (= (select .cse77 8) 0) (= (select .cse72 2) 0) (= (select .cse77 0) 0) (= (select .cse62 8) 0) (= 8 |c_~#flag2~0.base|) (= (select .cse71 0) 0) (= (select .cse63 1) 0) (= 0 (select .cse75 8)) (= (select .cse71 8) 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (= (select .cse70 8) 0) .cse78 .cse79 (= |c_~#__CS_thread_allocated~0.offset| 0) (<= .cse69 |c_ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (= (select .cse77 4) 0) (= 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 .cse62 24) 0) (= (select .cse74 0) 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (= (select .cse74 8) 0) (= |c_~#turn~0.offset| 0)))) (exists ((|v_#memory_$Pointer$.offset_104| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_105| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_109| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_99| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_98| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_252| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_110| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_111| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_100| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_101| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_103| (Array Int (Array Int Int)))) (let ((.cse80 (select |v_#memory_$Pointer$.offset_104| |c_~#__CS_thread_status~0.base|)) (.cse82 (select |v_#memory_$Pointer$.offset_107| |c_~#__CS_thread_status~0.base|)) (.cse85 (select |v_#memory_$Pointer$.offset_101| |c_~#x~0.base|)) (.cse83 (select |v_#memory_$Pointer$.offset_98| |c_~#flag2~0.base|)) (.cse88 (select |v_#memory_$Pointer$.offset_102| |c_~#turn~0.base|)) (.cse87 (select |v_#memory_$Pointer$.offset_100| |c_~#flag1~0.base|)) (.cse81 (select |v_#memory_$Pointer$.offset_97| |c_~#__CS_thread_status~0.base|)) (.cse86 (select |v_#memory_$Pointer$.offset_106| |c_~#__CS_thread_status~0.base|)) (.cse84 (select |v_#memory_$Pointer$.offset_105| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_104| |c_~#__CS_thread_status~0.base| (store .cse80 .cse13 (select .cse81 .cse13))) |v_#memory_$Pointer$.offset_97|) (= |v_#memory_$Pointer$.offset_107| (store |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_252| |c_~#__CS_thread_status~0.base|) .cse20 (select .cse82 .cse20)))) (= (store |v_#memory_$Pointer$.offset_98| |c_~#flag2~0.base| (store .cse83 .cse34 (select (select |v_#memory_$Pointer$.offset_103| |c_~#flag2~0.base|) .cse34))) |v_#memory_$Pointer$.offset_103|) (= |v_#memory_$Pointer$.offset_104| (store |v_#memory_$Pointer$.offset_105| |c_~#__CS_thread_status~0.base| (store .cse84 .cse15 (select .cse80 .cse15)))) (= |v_#memory_$Pointer$.offset_101| (store |v_#memory_$Pointer$.offset_110| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.offset_110| |c_~#x~0.base|) .cse27 (select .cse85 .cse27)))) (= |v_#memory_$Pointer$.offset_106| (store |v_#memory_$Pointer$.offset_107| |c_~#__CS_thread_status~0.base| (store .cse82 .cse19 (select .cse86 .cse19)))) (= (store |v_#memory_$Pointer$.offset_109| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_109| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_108| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_108|) (= (store |v_#memory_$Pointer$.offset_101| |c_~#x~0.base| (store .cse85 .cse26 (select (select |v_#memory_$Pointer$.offset_111| |c_~#x~0.base|) .cse26))) |v_#memory_$Pointer$.offset_111|) (= (store |v_#memory_$Pointer$.offset_111| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_111| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_109| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_109|) (= |v_#memory_$Pointer$.offset_99| (store |v_#memory_$Pointer$.offset_100| |c_~#flag1~0.base| (store .cse87 .cse37 (select (select |v_#memory_$Pointer$.offset_99| |c_~#flag1~0.base|) .cse37)))) (= |v_#memory_$Pointer$.offset_110| (store |v_#memory_$Pointer$.offset_102| |c_~#turn~0.base| (store .cse88 .cse30 (select (select |v_#memory_$Pointer$.offset_110| |c_~#turn~0.base|) .cse30)))) (= (store |v_#memory_$Pointer$.offset_99| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.offset_99| |c_~#flag2~0.base|) .cse35 (select .cse83 .cse35))) |v_#memory_$Pointer$.offset_98|) (= |v_#memory_$Pointer$.offset_102| (store |v_#memory_$Pointer$.offset_103| |c_~#turn~0.base| (store (select |v_#memory_$Pointer$.offset_103| |c_~#turn~0.base|) .cse31 (select .cse88 .cse31)))) (= |v_#memory_$Pointer$.offset_100| (let ((.cse89 (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| (let ((.cse90 (let ((.cse91 (let ((.cse92 (let ((.cse93 (let ((.cse94 (store (select |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base|) .cse8 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse58)))) (store .cse94 .cse40 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse94) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse57))))) (store .cse93 .cse1 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse93) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse55))))) (store .cse92 .cse5 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse92) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse53))))) (store .cse91 .cse39 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse91) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse51))))) (store .cse90 .cse4 (select (select (store |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_lockedon~0.base| .cse90) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse49)))))) (store .cse89 |c_~#flag1~0.base| (store (select .cse89 |c_~#flag1~0.base|) .cse38 (select .cse87 .cse38))))) (= (store |v_#memory_$Pointer$.offset_97| |c_~#__CS_thread_status~0.base| (store .cse81 .cse11 (select (select |v_#memory_$Pointer$.offset_96| |c_~#__CS_thread_status~0.base|) .cse11))) |v_#memory_$Pointer$.offset_96|) (= (store |v_#memory_$Pointer$.offset_108| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_108| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.offset_106| |c_~#__CS_thread_status~0.base| (store .cse86 .cse17 (select .cse84 .cse17))) |v_#memory_$Pointer$.offset_105|)))) (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)) .cse78 .cse79 (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_ULTIMATE.start_main_#t~mem68#1|))) is different from false [2023-11-12 00:10:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:44,969 INFO L93 Difference]: Finished difference Result 190 states and 270 transitions. [2023-11-12 00:10:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:10:44,970 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 00:10:44,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:44,973 INFO L225 Difference]: With dead ends: 190 [2023-11-12 00:10:44,974 INFO L226 Difference]: Without dead ends: 99 [2023-11-12 00:10:44,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=21, Invalid=27, Unknown=2, NotChecked=22, Total=72 [2023-11-12 00:10:44,977 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:44,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 1 Unknown, 49 Unchecked, 2.7s Time] [2023-11-12 00:10:44,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-12 00:10:44,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-12 00:10:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:10:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 140 transitions. [2023-11-12 00:10:44,998 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 140 transitions. Word has length 93 [2023-11-12 00:10:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:44,999 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 140 transitions. [2023-11-12 00:10:44,999 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 00:10:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2023-11-12 00:10:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-12 00:10:45,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:45,004 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 00:10:45,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:10:45,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:45,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:45,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:45,214 INFO L85 PathProgramCache]: Analyzing trace with hash 319967282, now seen corresponding path program 1 times [2023-11-12 00:10:45,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:45,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235425750] [2023-11-12 00:10:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:45,685 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 00:10:45,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:45,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235425750] [2023-11-12 00:10:45,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235425750] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:45,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396608846] [2023-11-12 00:10:45,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:45,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:45,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:45,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:45,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea8c941-39fa-4dbd-bee2-3b587ac41fea/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:10:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:46,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:10:46,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:46,339 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 00:10:46,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:46,453 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 00:10:46,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396608846] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:46,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2086147177] [2023-11-12 00:10:46,459 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2023-11-12 00:10:46,466 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:10:46,467 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:10:46,467 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:10:46,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs