./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:49:36,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:49:36,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-12-02 20:49:36,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:49:36,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:49:36,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:49:36,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:49:36,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:49:36,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:49:36,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:49:36,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:49:36,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:49:36,573 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:49:36,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:49:36,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:49:36,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:49:36,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:49:36,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:49:36,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:49:36,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:49:36,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:49:36,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:49:36,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:49:36,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:49:36,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:49:36,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:49:36,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:49:36,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:49:36,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:49:36,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:36,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:49:36,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:49:36,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:49:36,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:49:36,584 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:49:36,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:49:36,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:49:36,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:49:36,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:49:36,585 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:49:36,585 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:49:36,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe [2023-12-02 20:49:36,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:49:36,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:49:36,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:49:36,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:49:36,824 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:49:36,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2023-12-02 20:49:39,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:49:39,802 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:49:39,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2023-12-02 20:49:39,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/data/1795e3193/db8dee4229894a309b2c0998c0d981a8/FLAG215f3bb27 [2023-12-02 20:49:39,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/data/1795e3193/db8dee4229894a309b2c0998c0d981a8 [2023-12-02 20:49:39,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:49:39,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:49:39,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:49:39,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:49:39,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:49:39,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:39" (1/1) ... [2023-12-02 20:49:39,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9981f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:39, skipping insertion in model container [2023-12-02 20:49:39,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:39" (1/1) ... [2023-12-02 20:49:39,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:49:40,339 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_446fce5e-b954-4d31-9062-9c58dd36d1c9/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i[41323,41336] [2023-12-02 20:49:40,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:49:40,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:49:40,428 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_446fce5e-b954-4d31-9062-9c58dd36d1c9/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i[41323,41336] [2023-12-02 20:49:40,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:49:40,555 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:49:40,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40 WrapperNode [2023-12-02 20:49:40,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:49:40,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:49:40,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:49:40,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:49:40,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,612 INFO L138 Inliner]: procedures = 271, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 219 [2023-12-02 20:49:40,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:49:40,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:49:40,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:49:40,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:49:40,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:49:40,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:49:40,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:49:40,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:49:40,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (1/1) ... [2023-12-02 20:49:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:40,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:40,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:40,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:49:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:49:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:49:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:49:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:49:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:49:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:49:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:49:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 20:49:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 20:49:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:49:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:49:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:49:40,726 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:49:40,871 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:49:40,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:49:41,156 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:49:41,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:49:41,336 INFO L309 CfgBuilder]: Removed 23 assume(true) statements. [2023-12-02 20:49:41,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:41 BoogieIcfgContainer [2023-12-02 20:49:41,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:49:41,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:49:41,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:49:41,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:49:41,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:49:39" (1/3) ... [2023-12-02 20:49:41,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:49:41, skipping insertion in model container [2023-12-02 20:49:41,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:40" (2/3) ... [2023-12-02 20:49:41,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:49:41, skipping insertion in model container [2023-12-02 20:49:41,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:41" (3/3) ... [2023-12-02 20:49:41,345 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_77-tricky_address4_racing.i [2023-12-02 20:49:41,354 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:49:41,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:49:41,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 20:49:41,365 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:49:41,408 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 20:49:41,451 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:49:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:41,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:41,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:49:41,493 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:49:41,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-12-02 20:49:41,510 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=PARTIAL_ORDER_FA, 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;@57332990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:41,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:49:41,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:41,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:41,681 INFO L85 PathProgramCache]: Analyzing trace with hash -805108240, now seen corresponding path program 1 times [2023-12-02 20:49:41,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:41,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573219723] [2023-12-02 20:49:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:49:41,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:41,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573219723] [2023-12-02 20:49:41,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573219723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:41,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:41,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:41,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491581858] [2023-12-02 20:49:41,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:41,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:41,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:41,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:41,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:41,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:41,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:42,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:49:42,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:42,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:42,623 INFO L85 PathProgramCache]: Analyzing trace with hash 923684783, now seen corresponding path program 1 times [2023-12-02 20:49:42,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:42,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279103298] [2023-12-02 20:49:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:42,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:42,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:42,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279103298] [2023-12-02 20:49:42,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279103298] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:42,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543517561] [2023-12-02 20:49:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:42,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:42,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:42,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:49:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:42,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:49:42,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:42,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543517561] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:42,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:42,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-02 20:49:42,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216192970] [2023-12-02 20:49:42,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:42,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:49:42,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:42,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:49:42,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:49:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:42,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:42,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:42,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:42,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:43,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:49:43,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:43,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:43,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:43,325 INFO L85 PathProgramCache]: Analyzing trace with hash -67827575, now seen corresponding path program 2 times [2023-12-02 20:49:43,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:43,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75347706] [2023-12-02 20:49:43,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:43,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:43,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:43,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75347706] [2023-12-02 20:49:43,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75347706] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:43,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370411579] [2023-12-02 20:49:43,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:49:43,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:43,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:43,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:49:43,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:49:43,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:49:43,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:49:43,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:43,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:43,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370411579] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:43,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:43,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-12-02 20:49:43,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120339085] [2023-12-02 20:49:43,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:43,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:49:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:43,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:49:43,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:49:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:43,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:43,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:43,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:43,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:43,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:43,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:49:44,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:44,071 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:44,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash 543266505, now seen corresponding path program 3 times [2023-12-02 20:49:44,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:44,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427207308] [2023-12-02 20:49:44,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:44,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:49:44,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427207308] [2023-12-02 20:49:44,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427207308] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645733769] [2023-12-02 20:49:44,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:49:44,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:44,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:44,398 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:44,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:49:44,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:49:44,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:49:44,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:49:44,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:44,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:49:44,685 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:49:44,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:49:44,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:49:44,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:49:44,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 20:49:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 20:49:44,817 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:48,868 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_140 (Array Int Int)) (|~#a~0.offset| Int) (|t_funThread1of1ForFork0_~i~0#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_140) |c_~#a~0.base|) (+ (* |t_funThread1of1ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2023-12-02 20:49:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 1 not checked. [2023-12-02 20:49:49,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645733769] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:49,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:49,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2023-12-02 20:49:49,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949421829] [2023-12-02 20:49:49,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:49,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:49:49,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:49,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:49:49,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=95, Unknown=1, NotChecked=20, Total=156 [2023-12-02 20:49:49,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:49,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:49,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:49,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:49,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:49,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:49:49,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:49,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:49,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:49,669 INFO L85 PathProgramCache]: Analyzing trace with hash -516402208, now seen corresponding path program 1 times [2023-12-02 20:49:49,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:49,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449031624] [2023-12-02 20:49:49,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:49,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:49:49,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:49,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449031624] [2023-12-02 20:49:49,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449031624] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:49,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609857119] [2023-12-02 20:49:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:49,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:49,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:49,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:49,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:49:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:49,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:49:49,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:49,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:49:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 20:49:49,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:49:49,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609857119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:49,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:49:49,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-12-02 20:49:49,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103779736] [2023-12-02 20:49:49,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:49,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:49,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:49,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:49,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:49:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:49,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:50,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:49:50,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:50,341 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:50,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:50,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1301409357, now seen corresponding path program 1 times [2023-12-02 20:49:50,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:50,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701861399] [2023-12-02 20:49:50,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:49:50,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:50,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701861399] [2023-12-02 20:49:50,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701861399] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:50,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605790994] [2023-12-02 20:49:50,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:50,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:50,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:50,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:49:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:50,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:49:50,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:49:50,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:49:50,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605790994] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:50,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:50,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-12-02 20:49:50,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286788472] [2023-12-02 20:49:50,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:50,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:49:50,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:50,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:49:50,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:49:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,590 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:50,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:50,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:50,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 20:49:50,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:49:50,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:50,901 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-12-02 20:49:50,902 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2023-12-02 20:49:50,906 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:50,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:49:50,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:50,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:50,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2023-12-02 20:49:50,911 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:49:50,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:49:50,912 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=PARTIAL_ORDER_FA, 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;@57332990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:50,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 20:49:50,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:49:50,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash 869346202, now seen corresponding path program 1 times [2023-12-02 20:49:50,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:50,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141742944] [2023-12-02 20:49:50,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:50,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141742944] [2023-12-02 20:49:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141742944] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:50,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:50,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:50,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211771953] [2023-12-02 20:49:50,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:50,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:50,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:51,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:51,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:51,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:51,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:49:51,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:49:51,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:51,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2039781693, now seen corresponding path program 1 times [2023-12-02 20:49:51,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:51,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396862206] [2023-12-02 20:49:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:51,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:51,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396862206] [2023-12-02 20:49:51,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396862206] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:51,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588644712] [2023-12-02 20:49:51,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:51,077 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:51,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:49:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:51,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:49:51,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:51,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:51,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588644712] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:51,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:51,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-02 20:49:51,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649433273] [2023-12-02 20:49:51,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:51,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:49:51,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:51,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:49:51,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:49:51,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:51,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:51,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:51,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-02 20:49:51,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 20:49:51,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:49:51,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:51,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1057710947, now seen corresponding path program 2 times [2023-12-02 20:49:51,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545854301] [2023-12-02 20:49:51,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:51,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:51,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545854301] [2023-12-02 20:49:51,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545854301] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:51,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771560851] [2023-12-02 20:49:51,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:49:51,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:51,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:51,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:49:51,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:49:51,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:49:51,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:49:51,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:51,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:51,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771560851] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:51,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:51,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-12-02 20:49:51,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538431900] [2023-12-02 20:49:51,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:51,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:49:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:49:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:49:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:51,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:51,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:49:51,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:49:51,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-12-02 20:49:51,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:49:51,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash -865973539, now seen corresponding path program 3 times [2023-12-02 20:49:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:51,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48775417] [2023-12-02 20:49:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:49:51,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:49:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:49:52,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-02 20:49:52,001 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:49:52,002 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-12-02 20:49:52,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 20:49:52,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 20:49:52,004 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-02 20:49:52,004 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2023-12-02 20:49:52,005 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 20:49:52,005 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-12-02 20:49:52,036 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 20:49:52,039 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:52,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:49:52,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:52,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:52,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2023-12-02 20:49:52,046 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:49:52,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2023-12-02 20:49:52,047 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=PARTIAL_ORDER_FA, 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;@57332990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:52,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:49:52,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:52,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1903214948, now seen corresponding path program 1 times [2023-12-02 20:49:52,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:52,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45929576] [2023-12-02 20:49:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:49:52,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:52,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45929576] [2023-12-02 20:49:52,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45929576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:52,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:52,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:52,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418522732] [2023-12-02 20:49:52,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:52,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:52,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:52,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:52,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:52,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:52,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:57,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 20:49:57,082 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:57,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:57,082 INFO L85 PathProgramCache]: Analyzing trace with hash -873688129, now seen corresponding path program 1 times [2023-12-02 20:49:57,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:57,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136543468] [2023-12-02 20:49:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:49:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136543468] [2023-12-02 20:49:57,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136543468] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985579169] [2023-12-02 20:49:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:57,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:57,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:57,130 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:57,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:49:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:57,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:49:57,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:49:57,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:49:57,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985579169] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:57,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:57,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-02 20:49:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276288253] [2023-12-02 20:49:57,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:57,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:49:57,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:49:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:49:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:57,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:57,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:58,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 20:49:58,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 20:49:58,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:49:58,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:58,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1662008047, now seen corresponding path program 2 times [2023-12-02 20:49:58,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:58,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753058060] [2023-12-02 20:49:58,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:58,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:49:58,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:58,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753058060] [2023-12-02 20:49:58,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753058060] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:58,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327579370] [2023-12-02 20:49:58,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:49:58,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:58,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:58,860 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:58,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:49:58,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:49:58,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:49:58,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:49:58,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:49:59,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:49:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:49:59,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327579370] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:49:59,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:49:59,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-12-02 20:49:59,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442348512] [2023-12-02 20:49:59,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:49:59,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:49:59,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:49:59,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:49:59,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:59,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:59,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:59,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:59,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:59,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:00,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:00,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:00,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:00,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:50:00,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-02 20:50:00,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:50:00,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:00,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1699849809, now seen corresponding path program 3 times [2023-12-02 20:50:00,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:00,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659061569] [2023-12-02 20:50:00,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:00,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:50:01,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:50:01,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659061569] [2023-12-02 20:50:01,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659061569] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:50:01,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74104651] [2023-12-02 20:50:01,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:50:01,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:50:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:01,043 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:50:01,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:50:01,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:50:01,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:50:01,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:50:01,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:01,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:50:01,253 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:50:01,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:50:01,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:01,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:01,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 20:50:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 20:50:01,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:50:09,410 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_539 (Array Int Int)) (|~#a~0.offset| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_539) |c_~#a~0.base|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2023-12-02 20:50:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 2 not checked. [2023-12-02 20:50:09,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74104651] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:50:09,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:50:09,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2023-12-02 20:50:09,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614294417] [2023-12-02 20:50:09,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:50:09,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:50:09,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:50:09,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:50:09,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=93, Unknown=3, NotChecked=20, Total=156 [2023-12-02 20:50:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:09,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:11,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:50:11,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:50:11,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:50:11,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1707502223, now seen corresponding path program 1 times [2023-12-02 20:50:11,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:11,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176074412] [2023-12-02 20:50:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:11,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-02 20:50:11,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:50:11,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176074412] [2023-12-02 20:50:11,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176074412] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:11,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:11,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:50:11,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385513036] [2023-12-02 20:50:11,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:11,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:11,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:50:11,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:11,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:11,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:11,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:11,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 20:50:12,849 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:50:12,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:12,849 INFO L85 PathProgramCache]: Analyzing trace with hash -405240481, now seen corresponding path program 1 times [2023-12-02 20:50:12,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:12,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255311195] [2023-12-02 20:50:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:50:16,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:50:16,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255311195] [2023-12-02 20:50:16,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255311195] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:50:16,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799058968] [2023-12-02 20:50:16,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:16,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:50:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:16,519 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:50:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:50:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:16,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 20:50:16,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:16,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:50:16,783 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:50:16,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:50:16,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:16,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-12-02 20:50:17,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:17,143 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2023-12-02 20:50:17,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 20:50:17,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:17,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:50:17,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2023-12-02 20:50:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:50:17,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:50:17,545 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_665 (Array Int Int))) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_665) |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread2of2ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 20:50:17,562 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_665 (Array Int Int))) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_665) |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 20:50:17,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2023-12-02 20:50:20,105 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_~i~0#1_26| Int) (|~#a~0.offset| Int) (v_ArrVal_665 (Array Int Int)) (|v_t_funThread2of2ForFork0_~i~0#1_26| Int)) (or (= |v_t_funThread2of2ForFork0_~i~0#1_26| |v_t_funThread1of2ForFork0_~i~0#1_26|) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_665) |c_~#a~0.base|)) (.cse1 (+ (* |v_t_funThread2of2ForFork0_~i~0#1_26| 28) 28 |~#a~0.offset|))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ (* |v_t_funThread1of2ForFork0_~i~0#1_26| 28) 28 |~#a~0.offset|)) 0))) is different from false [2023-12-02 20:50:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 6 not checked. [2023-12-02 20:50:20,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799058968] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:50:20,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:50:20,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12, 12] total 42 [2023-12-02 20:50:20,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292423526] [2023-12-02 20:50:20,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:50:20,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-12-02 20:50:20,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:50:20,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-12-02 20:50:20,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1381, Unknown=7, NotChecked=234, Total=1806 [2023-12-02 20:50:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:20,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:20,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 42 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:20,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:26,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:50:26,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 20:50:27,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:50:27,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:50:27,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:27,017 INFO L85 PathProgramCache]: Analyzing trace with hash -653414819, now seen corresponding path program 1 times [2023-12-02 20:50:27,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:27,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894677597] [2023-12-02 20:50:27,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:27,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:50:27,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:50:27,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894677597] [2023-12-02 20:50:27,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894677597] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:50:27,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140767097] [2023-12-02 20:50:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:27,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:50:27,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:27,118 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:50:27,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 20:50:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:27,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:50:27,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:50:27,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:50:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:50:27,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140767097] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:50:27,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:50:27,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-12-02 20:50:27,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597061334] [2023-12-02 20:50:27,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:50:27,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 20:50:27,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:50:27,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 20:50:27,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:50:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:27,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:27,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:27,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:27,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:27,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:27,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-12-02 20:50:27,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:28,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:28,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:50:28,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:28,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 20:50:29,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 20:50:29,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:50:29,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:29,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1556846471, now seen corresponding path program 1 times [2023-12-02 20:50:29,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:29,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724308316] [2023-12-02 20:50:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 20:50:29,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:50:29,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724308316] [2023-12-02 20:50:29,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724308316] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:50:29,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386655384] [2023-12-02 20:50:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:29,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:50:29,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:29,777 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:50:29,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 20:50:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:29,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 20:50:29,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:29,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:50:29,983 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:50:29,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:50:30,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:30,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:30,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:50:30,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:50:30,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-12-02 20:50:30,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 20:50:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 20:50:30,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:50:44,257 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread2of2ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) (+ |c_~#a~0.offset| (* |t_funThread1of2ForFork0_~i~0#1| 28))) 0)) is different from false [2023-12-02 20:50:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 20:50:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386655384] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:50:51,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:50:51,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2023-12-02 20:50:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616893579] [2023-12-02 20:50:51,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:50:51,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 20:50:51,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:50:51,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 20:50:51,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=174, Unknown=11, NotChecked=28, Total=272 [2023-12-02 20:50:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:51,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:51,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.235294117647059) internal successors, (106), 16 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:50:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:50:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:50:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:50:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:50:52,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-12-02 20:50:52,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 20:50:52,241 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:50:52,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:52,242 INFO L85 PathProgramCache]: Analyzing trace with hash -623728348, now seen corresponding path program 1 times [2023-12-02 20:50:52,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:50:52,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710648575] [2023-12-02 20:50:52,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:52,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:50:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:51:10,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:10,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710648575] [2023-12-02 20:51:10,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710648575] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:10,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774884645] [2023-12-02 20:51:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:10,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:10,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:10,051 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:51:10,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 20:51:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:10,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 20:51:10,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:10,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:51:10,343 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:51:10,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:51:10,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:51:10,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:51:10,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-12-02 20:51:10,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:51:11,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:11,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-12-02 20:51:11,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:51:11,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:11,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-12-02 20:51:11,285 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2023-12-02 20:51:11,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 20:51:11,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2023-12-02 20:51:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:51:11,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:12,134 WARN L854 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_968 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_968) |c_t_funThread1of2ForFork0_~p~0#1.base|) (+ 4 |c_t_funThread1of2ForFork0_~p~0#1.offset|)) 0))) (forall ((v_ArrVal_965 (Array Int Int))) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_965) |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset| 28)) 0))) is different from false [2023-12-02 20:51:12,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:51:12,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2023-12-02 20:51:12,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:51:12,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2023-12-02 20:51:12,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-12-02 20:51:12,282 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset| 28))) (let ((.cse0 (forall ((v_ArrVal_965 (Array Int Int)) (|v_t_funThread2of2ForFork0_~i~0#1_36| Int)) (= (select (let ((.cse5 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_965) |c_~#a~0.base|)) (.cse6 (+ (* |v_t_funThread2of2ForFork0_~i~0#1_36| 28) |c_~#a~0.offset| 28))) (store .cse5 .cse6 (+ (select .cse5 .cse6) 1))) .cse4) 0)))) (and (or .cse0 (not (= |c_~#__global_lock~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|))) (forall ((v_ArrVal_965 (Array Int Int)) (|v_t_funThread2of2ForFork0_~i~0#1_36| Int)) (let ((.cse3 (* |v_t_funThread2of2ForFork0_~i~0#1_36| 28))) (or (= (select (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_965) |c_~#a~0.base|)) (.cse2 (+ .cse3 |c_~#a~0.offset| 28))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1))) .cse4) 0) (= (+ .cse3 |c_~#a~0.offset|) |c_t_funThread1of2ForFork0_~p~0#1.offset|)))) (or .cse0 (= |c_~#a~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|))))) is different from false [2023-12-02 20:51:14,364 WARN L854 $PredicateComparison]: unable to prove that (and (or (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|)) (forall ((v_ArrVal_965 (Array Int Int)) (|v_t_funThread1of2ForFork0_~i~0#1_36| Int) (|v_t_funThread2of2ForFork0_~i~0#1_36| Int) (|~#a~0.offset| Int)) (= 0 (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_965) |c_~#a~0.base|)) (.cse1 (+ (* |v_t_funThread2of2ForFork0_~i~0#1_36| 28) 28 |~#a~0.offset|))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ 28 (* |v_t_funThread1of2ForFork0_~i~0#1_36| 28) |~#a~0.offset|))))) (forall ((v_ArrVal_965 (Array Int Int)) (|v_t_funThread1of2ForFork0_~i~0#1_36| Int) (|~#a~0.offset| Int) (|v_t_funThread2of2ForFork0_~i~0#1_36| Int)) (or (= 0 (select (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_965) |c_~#a~0.base|)) (.cse3 (+ (* |v_t_funThread2of2ForFork0_~i~0#1_36| 28) 28 |~#a~0.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))) (+ 28 (* |v_t_funThread1of2ForFork0_~i~0#1_36| 28) |~#a~0.offset|))) (= |v_t_funThread2of2ForFork0_~i~0#1_36| |v_t_funThread1of2ForFork0_~i~0#1_36|)))) is different from false [2023-12-02 20:51:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 7 not checked. [2023-12-02 20:51:14,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774884645] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:14,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:51:14,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 13] total 44 [2023-12-02 20:51:14,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957684701] [2023-12-02 20:51:14,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:14,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-12-02 20:51:14,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:14,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-12-02 20:51:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=1419, Unknown=14, NotChecked=246, Total=1980 [2023-12-02 20:51:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:14,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:14,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.066666666666667) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:51:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:51:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:51:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:51:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:51:20,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 20:51:20,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:20,229 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:51:20,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:20,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1914762753, now seen corresponding path program 2 times [2023-12-02 20:51:20,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353454276] [2023-12-02 20:51:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 20:51:20,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:20,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353454276] [2023-12-02 20:51:20,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353454276] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:20,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908546786] [2023-12-02 20:51:20,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:51:20,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:20,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:20,623 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:51:20,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 20:51:20,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:51:20,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:51:20,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 20:51:20,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:20,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:51:20,876 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:51:20,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:51:20,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:51:20,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:51:20,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:51:21,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-12-02 20:51:21,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:51:21,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 20:51:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 20:51:21,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:35,163 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int) (v_ArrVal_1074 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1074) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |t_funThread1of2ForFork0_~i~0#1| 28))) 0)) is different from false [2023-12-02 20:51:35,169 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int) (v_ArrVal_1074 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread2of2ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1074) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |t_funThread1of2ForFork0_~i~0#1| 28))) 0)) is different from false [2023-12-02 20:51:37,197 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (v_ArrVal_1074 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ (* 28 |t_funThread2of2ForFork0_~i~0#1|) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1074) |c_~#a~0.base|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2023-12-02 20:51:39,231 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1069 (Array Int Int)) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (v_ArrVal_1074 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1069) |c_~#a~0.base|)) (.cse1 (+ (* 28 |t_funThread2of2ForFork0_~i~0#1|) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1074) |c_~#a~0.base|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2023-12-02 20:51:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 6 not checked. [2023-12-02 20:51:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908546786] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:39,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:51:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 8] total 17 [2023-12-02 20:51:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802500907] [2023-12-02 20:51:39,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:39,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:51:39,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:39,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:51:39,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=134, Unknown=10, NotChecked=108, Total=306 [2023-12-02 20:51:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:39,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:39,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.166666666666667) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:39,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:39,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:39,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:39,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:51:39,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:39,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:51:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:51:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:51:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:51:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:51:40,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 20:51:40,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-12-02 20:51:40,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:40,709 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2023-12-02 20:51:40,709 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was SAFE (1/3) [2023-12-02 20:51:40,712 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:51:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:40,713 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:51:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2023-12-02 20:51:40,717 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:51:40,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:51:40,718 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=PARTIAL_ORDER_FA, 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;@57332990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:40,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 20:51:40,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:40,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:40,796 INFO L85 PathProgramCache]: Analyzing trace with hash 422964032, now seen corresponding path program 1 times [2023-12-02 20:51:40,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:40,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533458955] [2023-12-02 20:51:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:40,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:40,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:40,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533458955] [2023-12-02 20:51:40,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533458955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:40,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:40,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:40,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045644781] [2023-12-02 20:51:40,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:40,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:40,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:40,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:40,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:40,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:40,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:40,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 20:51:40,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:40,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1444601278, now seen corresponding path program 1 times [2023-12-02 20:51:40,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:40,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213406603] [2023-12-02 20:51:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:40,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:40,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213406603] [2023-12-02 20:51:40,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213406603] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:40,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715622638] [2023-12-02 20:51:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:40,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:40,932 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:51:40,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-02 20:51:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:41,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:51:41,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:41,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:41,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715622638] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:41,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:51:41,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-02 20:51:41,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919986863] [2023-12-02 20:51:41,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:41,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:51:41,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:41,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:51:41,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:51:41,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:41,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:41,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:41,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:41,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:41,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:41,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-12-02 20:51:41,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:41,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:41,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash -112714960, now seen corresponding path program 2 times [2023-12-02 20:51:41,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:41,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115296654] [2023-12-02 20:51:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:41,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:41,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:41,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115296654] [2023-12-02 20:51:41,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115296654] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:41,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923734244] [2023-12-02 20:51:41,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:51:41,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:41,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:41,430 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:51:41,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-02 20:51:41,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:51:41,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:51:41,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:51:41,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:41,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 20:51:41,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923734244] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:41,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:51:41,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-12-02 20:51:41,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426250256] [2023-12-02 20:51:41,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:41,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:51:41,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:41,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:51:41,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:51:41,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:41,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:41,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:41,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-12-02 20:51:41,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:41,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:41,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:41,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1025663472, now seen corresponding path program 3 times [2023-12-02 20:51:41,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:41,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944000300] [2023-12-02 20:51:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:51:41,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:51:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:51:41,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-02 20:51:41,974 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:51:41,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-12-02 20:51:41,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 20:51:41,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 20:51:41,976 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-02 20:51:41,976 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/3) [2023-12-02 20:51:41,976 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 20:51:41,976 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-12-02 20:51:42,006 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-12-02 20:51:42,008 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:42,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:51:42,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:42,012 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:51:42,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (23)] Waiting until timeout for monitored process [2023-12-02 20:51:42,018 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:51:42,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:51:42,019 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=PARTIAL_ORDER_FA, 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;@57332990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:42,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 20:51:42,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:42,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:42,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1681109398, now seen corresponding path program 1 times [2023-12-02 20:51:42,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:42,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158084933] [2023-12-02 20:51:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:42,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:42,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:42,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158084933] [2023-12-02 20:51:42,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158084933] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:42,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:42,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:42,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361098363] [2023-12-02 20:51:42,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:42,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:42,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:42,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:42,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:42,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:42,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:42,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:42,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 20:51:42,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:42,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash 925437493, now seen corresponding path program 1 times [2023-12-02 20:51:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:42,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213009416] [2023-12-02 20:51:42,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:42,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:42,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213009416] [2023-12-02 20:51:42,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213009416] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:42,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645223880] [2023-12-02 20:51:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:42,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:42,428 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:51:42,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-02 20:51:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:42,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:51:42,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:42,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645223880] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:42,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:51:42,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-02 20:51:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647925452] [2023-12-02 20:51:42,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:42,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:51:42,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:51:42,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:51:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:42,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:42,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:42,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:42,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:42,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-02 20:51:42,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:42,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:42,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1656756086, now seen corresponding path program 2 times [2023-12-02 20:51:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:42,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415326493] [2023-12-02 20:51:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:42,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:42,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415326493] [2023-12-02 20:51:42,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415326493] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:42,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539049136] [2023-12-02 20:51:42,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:51:42,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:51:42,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:42,978 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:51:42,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-02 20:51:43,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:51:43,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:51:43,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:51:43,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:43,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:51:43,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539049136] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:43,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:51:43,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-12-02 20:51:43,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665569475] [2023-12-02 20:51:43,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:43,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:51:43,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:43,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:51:43,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:51:43,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:43,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:43,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:43,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:43,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:43,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:43,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-12-02 20:51:43,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-12-02 20:51:43,482 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:51:43,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1692356374, now seen corresponding path program 3 times [2023-12-02 20:51:43,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:43,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304386524] [2023-12-02 20:51:43,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:51:43,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:51:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:51:43,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-02 20:51:43,539 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:51:43,540 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-12-02 20:51:43,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 20:51:43,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 20:51:43,541 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-02 20:51:43,541 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/4) [2023-12-02 20:51:43,541 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 20:51:43,541 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-12-02 20:51:43,575 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-12-02 20:51:43,578 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:51:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:43,579 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:51:43,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (26)] Waiting until timeout for monitored process [2023-12-02 20:51:43,586 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:51:43,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread4of4ForFork0 ======== [2023-12-02 20:51:43,587 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=PARTIAL_ORDER_FA, 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;@57332990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:43,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:51:43,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:51:43,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:43,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1500406526, now seen corresponding path program 1 times [2023-12-02 20:51:43,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:51:43,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589622921] [2023-12-02 20:51:43,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:51:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 20:51:43,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:51:43,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589622921] [2023-12-02 20:51:43,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589622921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:43,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:43,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:43,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446847641] [2023-12-02 20:51:43,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:43,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:43,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:43,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:43,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:10,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:10,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 20:52:10,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:52:10,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:10,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1290676937, now seen corresponding path program 1 times [2023-12-02 20:52:10,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:52:10,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846961864] [2023-12-02 20:52:10,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:10,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:52:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:52:10,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:52:10,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846961864] [2023-12-02 20:52:10,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846961864] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:52:10,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620139142] [2023-12-02 20:52:10,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:10,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:52:10,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:52:10,724 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:52:10,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-12-02 20:52:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:10,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:52:10,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:52:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:52:10,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:52:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:52:10,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620139142] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:52:10,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:52:10,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-02 20:52:10,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274145340] [2023-12-02 20:52:10,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:52:10,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:52:10,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:52:10,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:52:10,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:52:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:10,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:52:10,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:52:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:25,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-12-02 20:52:25,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:52:25,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:52:25,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1535962550, now seen corresponding path program 2 times [2023-12-02 20:52:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:52:25,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144112843] [2023-12-02 20:52:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:52:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:52:25,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:52:25,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144112843] [2023-12-02 20:52:25,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144112843] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:52:25,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673570241] [2023-12-02 20:52:25,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:52:25,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:52:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:52:25,521 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:52:25,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-12-02 20:52:25,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:52:25,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:52:25,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:52:25,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:52:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:52:25,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:52:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:52:25,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673570241] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:52:25,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:52:25,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-12-02 20:52:25,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126757113] [2023-12-02 20:52:25,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:52:25,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:52:25,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:52:25,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:52:25,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:52:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:25,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:52:25,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:52:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:52:39,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-12-02 20:52:40,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:52:40,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:52:40,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:40,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1672147434, now seen corresponding path program 3 times [2023-12-02 20:52:40,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:52:40,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484744086] [2023-12-02 20:52:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:40,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:52:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:52:48,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:52:48,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484744086] [2023-12-02 20:52:48,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484744086] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:52:48,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982796367] [2023-12-02 20:52:48,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:52:48,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:52:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:52:48,185 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:52:48,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-12-02 20:52:51,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-12-02 20:52:51,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:52:51,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-02 20:52:51,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:52:51,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:52:51,758 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:52:51,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:52:51,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:52:51,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:52:51,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-12-02 20:52:52,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:52:52,285 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2023-12-02 20:52:52,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2023-12-02 20:52:52,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:52,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2023-12-02 20:52:52,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:52:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:52,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2023-12-02 20:52:52,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 20:52:52,966 INFO L349 Elim1Store]: treesize reduction 66, result has 35.9 percent of original size [2023-12-02 20:52:52,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 58 [2023-12-02 20:52:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:53,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2023-12-02 20:52:53,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-12-02 20:52:53,501 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-12-02 20:52:53,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 10 [2023-12-02 20:52:53,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2023-12-02 20:52:53,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2023-12-02 20:52:53,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2023-12-02 20:52:54,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2023-12-02 20:52:54,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 149 [2023-12-02 20:52:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 20:52:54,495 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:52:55,044 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse0 (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse2 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 20:52:55,386 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse0 (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse2 (let ((.cse4 (select |c_#memory_int| |c_~#a~0.base|)) (.cse5 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5)))))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset| 28)) 0)) is different from false [2023-12-02 20:52:56,080 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse0 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse0)) 0)) (= (select (let ((.cse1 (let ((.cse4 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse3 (let ((.cse5 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|)) (.cse6 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6)))))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse4 v_ArrVal_1823))) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1))) (+ |c_~#a~0.offset| 28 .cse0)) 0)))) is different from false [2023-12-02 20:52:56,386 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1822 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse7 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse0 (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse2 (let ((.cse5 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5))))))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28) 28))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ |c_~#a~0.offset| 28 .cse7)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse7)) 0))))) is different from false [2023-12-02 20:52:56,405 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1822 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse0 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread3of4ForFork0_~p~0#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of4ForFork0_~p~0#1.base|) (+ |c_t_funThread3of4ForFork0_~p~0#1.offset| 4) 1)) |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse0)) 0)) (= (select (let ((.cse1 (let ((.cse4 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse3 (let ((.cse6 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse7 .cse6 (+ (select .cse7 .cse6) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6))))))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse4 v_ArrVal_1823))) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28) 28))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1))) (+ |c_~#a~0.offset| 28 .cse0)) 0)))) is different from false [2023-12-02 20:52:56,424 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse2 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)) (.cse8 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse0 (let ((.cse4 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse3 (let ((.cse6 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse7 .cse6 (+ (select .cse7 .cse6) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6))))))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse4 v_ArrVal_1823))) (.cse1 (+ |c_~#a~0.offset| 28 .cse2))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ |c_~#a~0.offset| 28 .cse8)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#a~0.base| (store (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse2) 1)) |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse8)) 0))))) is different from false [2023-12-02 20:52:57,304 INFO L349 Elim1Store]: treesize reduction 35, result has 40.7 percent of original size [2023-12-02 20:52:57,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 40 [2023-12-02 20:52:57,349 INFO L349 Elim1Store]: treesize reduction 15, result has 61.5 percent of original size [2023-12-02 20:52:57,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 57 [2023-12-02 20:52:57,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-02 20:52:57,443 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_~#a~0.offset| 28 (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (and (or (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (or (= |v_t_funThread3of4ForFork0_~i~0#1_23| |v_t_funThread4of4ForFork0_~i~0#1_23|) (= (select (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse2 (let ((.cse5 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (select .cse4 .cse5) (- 1))))))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823)) (.cse1 (+ |c_~#a~0.offset| 28 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ |c_~#a~0.offset| 28 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) 0))) (= |c_~#a~0.base| |c_t_funThread2of4ForFork0_~p~0#1.base|)) (or (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|)) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse7 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse9 (let ((.cse11 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse10 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse12 .cse11 (+ (select .cse12 .cse11) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse10 .cse11 (+ (select .cse10 .cse11) (- 1))))))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823)) (.cse8 (+ |c_~#a~0.offset| 28 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))) (+ |c_~#a~0.offset| 28 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) 0))) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse13 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (+ |c_~#a~0.offset| .cse13) |c_t_funThread2of4ForFork0_~p~0#1.offset|) (= |v_t_funThread3of4ForFork0_~i~0#1_23| |v_t_funThread4of4ForFork0_~i~0#1_23|) (= (select (let ((.cse14 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse16 (let ((.cse18 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse17 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse19 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse19 .cse18 (+ (select .cse19 .cse18) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse17 .cse18 (+ (select .cse17 .cse18) (- 1))))))) (store .cse16 .cse3 (+ (select .cse16 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823)) (.cse15 (+ |c_~#a~0.offset| 28 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)))) (store .cse14 .cse15 (+ (select .cse14 .cse15) 1))) (+ |c_~#a~0.offset| 28 .cse13)) 0)))))) is different from false [2023-12-02 20:52:57,490 WARN L854 $PredicateComparison]: unable to prove that (and (or (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|)) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|v_t_funThread2of4ForFork0_~i~0#1_23| Int) (|t_funThread1of4ForFork0_~i~0#1| Int) (|~#a~0.offset| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (= 0 (select (let ((.cse0 (let ((.cse3 (+ (* |v_t_funThread2of4ForFork0_~i~0#1_23| 28) 28 |~#a~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse2 (let ((.cse5 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5))))))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse3 v_ArrVal_1823))) (.cse1 (+ 28 |~#a~0.offset| (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) (+ 28 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28) |~#a~0.offset|))))) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|v_t_funThread2of4ForFork0_~i~0#1_23| Int) (|t_funThread1of4ForFork0_~i~0#1| Int) (|~#a~0.offset| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (or (= 0 (select (let ((.cse7 (let ((.cse10 (+ (* |v_t_funThread2of4ForFork0_~i~0#1_23| 28) 28 |~#a~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse9 (let ((.cse12 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (let ((.cse11 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse13 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse13 .cse12 (+ (select .cse13 .cse12) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse11 .cse12 (+ (- 1) (select .cse11 .cse12))))))) (store .cse9 .cse10 (+ (select .cse9 .cse10) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse10 v_ArrVal_1823))) (.cse8 (+ 28 |~#a~0.offset| (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))) (+ 28 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28) |~#a~0.offset|))) (= |v_t_funThread3of4ForFork0_~i~0#1_23| |v_t_funThread4of4ForFork0_~i~0#1_23|) (= |v_t_funThread2of4ForFork0_~i~0#1_23| |v_t_funThread4of4ForFork0_~i~0#1_23|)))) is different from false [2023-12-02 20:52:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 57 trivial. 17 not checked. [2023-12-02 20:52:58,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982796367] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:52:58,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:52:58,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 20, 22] total 72 [2023-12-02 20:52:58,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854678429] [2023-12-02 20:52:58,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:52:58,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-12-02 20:52:58,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:52:58,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-12-02 20:52:58,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=3828, Unknown=42, NotChecked=1064, Total=5256 [2023-12-02 20:52:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:58,609 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:52:58,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.219178082191781) internal successors, (235), 72 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:52:58,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:58,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:58,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:52:58,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:44,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:44,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:44,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:53:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:53:44,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-12-02 20:53:45,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:53:45,138 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:53:45,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:45,139 INFO L85 PathProgramCache]: Analyzing trace with hash 156415991, now seen corresponding path program 1 times [2023-12-02 20:53:45,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:53:45,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446167051] [2023-12-02 20:53:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:45,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:53:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-02 20:53:45,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:53:45,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446167051] [2023-12-02 20:53:45,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446167051] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:53:45,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:53:45,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:53:45,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12693471] [2023-12-02 20:53:45,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:53:45,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:53:45,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:53:45,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:53:45,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:53:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:45,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:53:45,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:53:45,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:45,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:45,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:53:45,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:53:45,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:53:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:53:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:57,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 20:53:57,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:53:57,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:57,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1594468091, now seen corresponding path program 1 times [2023-12-02 20:53:57,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:53:57,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515902122] [2023-12-02 20:53:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:53:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:53:58,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:53:58,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515902122] [2023-12-02 20:53:58,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515902122] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:53:58,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127946375] [2023-12-02 20:53:58,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:58,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:53:58,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:53:58,066 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:53:58,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-12-02 20:53:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:58,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:53:58,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:53:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:53:58,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:53:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:53:58,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127946375] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:53:58,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:53:58,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-12-02 20:53:58,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046112422] [2023-12-02 20:53:58,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:53:58,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:53:58,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:53:58,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:53:58,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:53:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:58,531 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:53:58,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.0) internal successors, (156), 13 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:53:58,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:58,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:58,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:53:58,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:53:58,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:58,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:53:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:53:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:53:59,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-12-02 20:54:00,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-12-02 20:54:00,022 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:54:00,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:00,023 INFO L85 PathProgramCache]: Analyzing trace with hash -506823408, now seen corresponding path program 1 times [2023-12-02 20:54:00,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:54:00,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251227195] [2023-12-02 20:54:00,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:00,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 20:54:01,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:54:01,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251227195] [2023-12-02 20:54:01,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251227195] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:54:01,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547778669] [2023-12-02 20:54:01,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:01,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:54:01,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:54:01,873 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:54:01,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-12-02 20:54:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:02,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-02 20:54:02,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:02,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:54:02,240 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:54:02,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:54:02,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:54:02,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:54:02,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-12-02 20:54:02,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:54:02,592 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2023-12-02 20:54:02,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2023-12-02 20:54:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:02,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2023-12-02 20:54:02,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:54:02,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:02,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2023-12-02 20:54:02,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 20:54:03,037 INFO L349 Elim1Store]: treesize reduction 16, result has 44.8 percent of original size [2023-12-02 20:54:03,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 22 [2023-12-02 20:54:03,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-12-02 20:54:03,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2023-12-02 20:54:03,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2023-12-02 20:54:03,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2023-12-02 20:54:03,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 132 [2023-12-02 20:54:04,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 170 [2023-12-02 20:54:04,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 193 [2023-12-02 20:54:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 20:54:04,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:54:04,518 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2282 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 20:54:05,238 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2273 (Array Int Int)) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (let ((.cse0 (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28))) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2273) |c_~#a~0.base|) (+ .cse0 |c_~#a~0.offset| 4)) 0)) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse1 (select |c_#memory_int| |c_~#a~0.base|)) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse1 .cse2 (+ (- 1) (select .cse1 .cse2)))) (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)) v_ArrVal_2277) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ .cse0 |c_~#a~0.offset| 28)) 0)))) is different from false [2023-12-02 20:54:05,460 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2273 (Array Int Int)) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (let ((.cse2 (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28))) (or (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)) v_ArrVal_2277) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28) 28) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ .cse2 |c_~#a~0.offset| 28)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread3of4ForFork0_~p~0#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of4ForFork0_~p~0#1.base|) (+ |c_t_funThread3of4ForFork0_~p~0#1.offset| 4) 1)) |c_~#__global_lock~0.base| v_ArrVal_2273) |c_~#a~0.base|) (+ .cse2 |c_~#a~0.offset| 4)) 0))))) is different from false [2023-12-02 20:54:08,805 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2273 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (let ((.cse2 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28)) (.cse3 (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28))) (or (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ |c_~#a~0.offset| 28 (* |c_t_funThread2of4ForFork0_~i~0#1| 28)) v_ArrVal_2277) (+ |c_~#a~0.offset| 28 .cse2) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ .cse3 |c_~#a~0.offset| 28)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#a~0.base| (store (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse2 4) 1)) |c_~#__global_lock~0.base| v_ArrVal_2273) |c_~#a~0.base|) (+ .cse3 |c_~#a~0.offset| 4)) 0))))) is different from false [2023-12-02 20:54:08,834 INFO L349 Elim1Store]: treesize reduction 35, result has 40.7 percent of original size [2023-12-02 20:54:08,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 40 [2023-12-02 20:54:08,863 INFO L349 Elim1Store]: treesize reduction 15, result has 61.5 percent of original size [2023-12-02 20:54:08,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 57 [2023-12-02 20:54:08,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-02 20:54:10,934 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse2 (+ |c_~#a~0.offset| 28 (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (and (or (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse1 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse0 .cse1 (select .cse0 .cse1))) .cse2 v_ArrVal_2277) (+ |c_~#a~0.offset| 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28)) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28) |c_~#a~0.offset| 28)) 0) (= |v_t_funThread3of4ForFork0_~i~0#1_30| |v_t_funThread4of4ForFork0_~i~0#1_30|))) (= |c_~#a~0.base| |c_t_funThread2of4ForFork0_~p~0#1.base|)) (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (let ((.cse4 (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28))) (or (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse3 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse0 .cse3 (select .cse0 .cse3))) .cse2 v_ArrVal_2277) (+ |c_~#a~0.offset| 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28)) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ .cse4 |c_~#a~0.offset| 28)) 0) (= |v_t_funThread3of4ForFork0_~i~0#1_30| |v_t_funThread4of4ForFork0_~i~0#1_30|) (= (+ .cse4 |c_~#a~0.offset|) |c_t_funThread2of4ForFork0_~p~0#1.offset|)))) (or (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse5 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse0 .cse5 (select .cse0 .cse5))) .cse2 v_ArrVal_2277) (+ |c_~#a~0.offset| 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28)) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28) |c_~#a~0.offset| 28)) 0)) (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|))))) is different from false [2023-12-02 20:54:12,962 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|))) (and (or (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|)) (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|~#a~0.offset| Int) (|v_t_funThread2of4ForFork0_~i~0#1_30| Int) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse1 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ (* |v_t_funThread2of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|) v_ArrVal_2277) (+ 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28) |~#a~0.offset|) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|)) 0))) (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|~#a~0.offset| Int) (|v_t_funThread2of4ForFork0_~i~0#1_30| Int) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (or (= |v_t_funThread3of4ForFork0_~i~0#1_30| |v_t_funThread4of4ForFork0_~i~0#1_30|) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse2 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (store .cse0 .cse2 (select .cse0 .cse2))) (+ (* |v_t_funThread2of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|) v_ArrVal_2277) (+ 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28) |~#a~0.offset|) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|)) 0) (= |v_t_funThread2of4ForFork0_~i~0#1_30| |v_t_funThread4of4ForFork0_~i~0#1_30|))))) is different from false [2023-12-02 20:54:15,015 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|~#a~0.offset| Int) (|v_t_funThread2of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2265 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (or (= |v_t_funThread3of4ForFork0_~i~0#1_30| |v_t_funThread4of4ForFork0_~i~0#1_30|) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2265) |c_~#a~0.base|)) (.cse1 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ (* |v_t_funThread2of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|) v_ArrVal_2277) (+ 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28) |~#a~0.offset|) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|)) 0) (= |v_t_funThread2of4ForFork0_~i~0#1_30| |v_t_funThread4of4ForFork0_~i~0#1_30|))) (or (forall ((|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2277 Int) (|v_t_funThread4of4ForFork0_~i~0#1_30| Int) (|~#a~0.offset| Int) (|v_t_funThread2of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2265 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_30| Int) (v_ArrVal_2280 Int) (v_ArrVal_2282 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#a~0.base| (store (store (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2265) |c_~#a~0.base|)) (.cse3 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (store .cse2 .cse3 (select .cse2 .cse3))) (+ (* |v_t_funThread2of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|) v_ArrVal_2277) (+ 28 (* |v_t_funThread3of4ForFork0_~i~0#1_30| 28) |~#a~0.offset|) v_ArrVal_2280)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#a~0.base|) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_30| 28) 28 |~#a~0.offset|)) 0)) (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|)))) is different from false [2023-12-02 20:54:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 56 trivial. 18 not checked. [2023-12-02 20:54:15,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547778669] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:54:15,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:54:15,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21, 20] total 48 [2023-12-02 20:54:15,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440404962] [2023-12-02 20:54:15,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:54:15,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-02 20:54:15,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:54:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-02 20:54:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=1503, Unknown=21, NotChecked=602, Total=2352 [2023-12-02 20:54:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:15,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:15,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.653061224489796) internal successors, (228), 48 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:54:15,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:56,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:10,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:55:10,940 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse23 (* |c_t_funThread4of4ForFork0_~i~0#1| 28))) (let ((.cse3 (+ .cse23 |c_~#a~0.offset|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28))) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28))) (.cse9 (select |c_#memory_int| |c_~#a~0.base|))) (and (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse0 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) .cse3) 0)) (not (= |c_t_funThread4of4ForFork0_~i~0#1| |c_t_funThread3of4ForFork0_~i~0#1|)) (exists ((|t_funThread1of4ForFork0_~i~0#1| Int) (|t_funThread2of4ForFork0_~i~0#1| Int)) (and (not (= |c_t_funThread4of4ForFork0_~i~0#1| |t_funThread2of4ForFork0_~i~0#1|)) (let ((.cse7 (select |c_#memory_int| 4))) (= (let ((.cse6 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (let ((.cse4 ((as const (Array Int Int)) 0)) (.cse5 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse4 .cse5 (select .cse4 .cse5))) .cse6 (select .cse7 .cse6))) .cse7)))) (forall ((v_ArrVal_1823 Int)) (= (select (let ((.cse8 (store .cse9 .cse2 v_ArrVal_1823))) (store .cse8 .cse1 (+ 1 (select .cse8 .cse1)))) .cse3) 0)) (forall ((v_ArrVal_1822 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse14 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse10 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse11 (let ((.cse13 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse12 (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse9 .cse13 (+ (select .cse9 .cse13) 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse12 .cse13 (+ (- 1) (select .cse12 .cse13))))))) (store .cse11 .cse2 (+ (select .cse11 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse10 .cse1 (+ (select .cse10 .cse1) 1))) (+ |c_~#a~0.offset| 28 .cse14)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse14)) 0))))) (= |c_~#a~0.offset| 0) (= |c_~#a~0.base| 4) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse17 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)) (.cse22 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse15 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse18 (let ((.cse20 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse19 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse21 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse21 .cse20 (+ (select .cse21 .cse20) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse19 .cse20 (+ (select .cse19 .cse20) (- 1))))))) (store .cse18 .cse2 (+ (select .cse18 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823)) (.cse16 (+ |c_~#a~0.offset| 28 .cse17))) (store .cse15 .cse16 (+ (select .cse15 .cse16) 1))) (+ |c_~#a~0.offset| 28 .cse22)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#a~0.base| (store (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse17) 1)) |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse22)) 0))))) (= (select .cse9 .cse23) 0)))) is different from false [2023-12-02 20:55:13,289 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 [1] [2023-12-02 20:55:14,221 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse14 (* |c_t_funThread4of4ForFork0_~i~0#1| 28))) (let ((.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28))) (.cse3 (+ .cse14 |c_~#a~0.offset|)) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28))) (.cse5 (select |c_#memory_int| |c_~#a~0.base|))) (and (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse0 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) .cse3) 0)) (forall ((v_ArrVal_1823 Int)) (= (select (let ((.cse4 (store .cse5 .cse2 v_ArrVal_1823))) (store .cse4 .cse1 (+ 1 (select .cse4 .cse1)))) .cse3) 0)) (= |c_~#a~0.offset| 0) (= |c_~#a~0.base| 4) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse8 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)) (.cse13 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse6 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse9 (let ((.cse11 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse10 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse12 .cse11 (+ (select .cse12 .cse11) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse10 .cse11 (+ (select .cse10 .cse11) (- 1))))))) (store .cse9 .cse2 (+ (select .cse9 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823)) (.cse7 (+ |c_~#a~0.offset| 28 .cse8))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1))) (+ |c_~#a~0.offset| 28 .cse13)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#a~0.base| (store (select |c_#pthreadsMutex| |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse8) 1)) |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse13)) 0))))) (= (select .cse5 .cse14) 0) (let ((.cse17 ((as const (Array Int Int)) 0)) (.cse20 (select |c_#memory_int| 4))) (or (exists ((|t_funThread1of4ForFork0_~i~0#1| Int) (|t_funThread3of4ForFork0_~i~0#1| Int) (|t_funThread2of4ForFork0_~i~0#1| Int)) (and (not (= |c_t_funThread4of4ForFork0_~i~0#1| |t_funThread2of4ForFork0_~i~0#1|)) (= (let ((.cse15 (let ((.cse19 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (let ((.cse18 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse17 .cse18 (select .cse17 .cse18))) .cse19 (select .cse20 .cse19)))) (.cse16 (+ (* |t_funThread3of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store .cse15 .cse16 (+ (select .cse15 .cse16) 1))) .cse20) (not (= |c_t_funThread4of4ForFork0_~i~0#1| |t_funThread3of4ForFork0_~i~0#1|)))) (exists ((|t_funThread1of4ForFork0_~i~0#1| Int) (|t_funThread3of4ForFork0_~i~0#1| Int)) (and (= (let ((.cse22 (+ (* |t_funThread3of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (let ((.cse21 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse17 .cse21 (select .cse17 .cse21))) .cse22 (select .cse20 .cse22))) .cse20) (not (= |c_t_funThread4of4ForFork0_~i~0#1| |t_funThread3of4ForFork0_~i~0#1|))))))))) is different from false [2023-12-02 20:55:16,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:18,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:22,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:27,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:55:29,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:55:33,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:35,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:41,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:46,506 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse29 (* |c_t_funThread4of4ForFork0_~i~0#1| 28))) (let ((.cse3 (+ .cse29 |c_~#a~0.offset|)) (.cse4 (select |c_#pthreadsMutex| |c_~#a~0.base|)) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28))) (.cse15 (select |c_#memory_int| |c_~#a~0.base|)) (.cse9 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28))) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (and (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse0 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse0 .cse1 (+ (select .cse0 .cse1) 1))) .cse3) 0)) (not (= |c_t_funThread4of4ForFork0_~i~0#1| |c_t_funThread3of4ForFork0_~i~0#1|)) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse5 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (not (= (select .cse4 (+ |c_~#a~0.offset| 4 .cse5)) 0)) (= (select (let ((.cse6 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (let ((.cse8 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse8 .cse9 (+ (- 1) (select .cse8 .cse9)))))) (store .cse7 .cse2 (+ (select .cse7 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse6 .cse1 (+ (select .cse6 .cse1) 1))) (+ |c_~#a~0.offset| 28 .cse5)) 0)))) (exists ((|t_funThread1of4ForFork0_~i~0#1| Int) (|t_funThread2of4ForFork0_~i~0#1| Int)) (and (not (= |c_t_funThread4of4ForFork0_~i~0#1| |t_funThread2of4ForFork0_~i~0#1|)) (let ((.cse13 (select |c_#memory_int| 4))) (= (let ((.cse12 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (let ((.cse10 ((as const (Array Int Int)) 0)) (.cse11 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (store .cse10 .cse11 (select .cse10 .cse11))) .cse12 (select .cse13 .cse12))) .cse13)))) (forall ((v_ArrVal_1823 Int)) (= (select (let ((.cse14 (store .cse15 .cse2 v_ArrVal_1823))) (store .cse14 .cse1 (+ 1 (select .cse14 .cse1)))) .cse3) 0)) (forall ((v_ArrVal_1822 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse20 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse16 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse17 (let ((.cse19 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse18 (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse15 .cse19 (+ (select .cse15 .cse19) 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse18 .cse19 (+ (- 1) (select .cse18 .cse19))))))) (store .cse17 .cse2 (+ (select .cse17 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse16 .cse1 (+ (select .cse16 .cse1) 1))) (+ |c_~#a~0.offset| 28 .cse20)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse20)) 0))))) (= |c_~#a~0.offset| 0) (= |c_~#a~0.base| 4) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse23 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)) (.cse28 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse21 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse24 (let ((.cse26 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse25 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse27 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse27 .cse26 (+ (select .cse27 .cse26) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse25 .cse26 (+ (select .cse25 .cse26) (- 1))))))) (store .cse24 .cse2 (+ (select .cse24 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823)) (.cse22 (+ |c_~#a~0.offset| 28 .cse23))) (store .cse21 .cse22 (+ (select .cse21 .cse22) 1))) (+ |c_~#a~0.offset| 28 .cse28)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#a~0.base| (store .cse4 (+ |c_~#a~0.offset| 4 .cse23) 1)) |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse28)) 0))))) (= (select .cse15 .cse29) 0) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1823 Int)) (let ((.cse30 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (not (= (select .cse4 (+ |c_~#a~0.offset| 4 .cse30)) 0)) (= (select (let ((.cse31 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse32 (store .cse15 .cse9 (+ (- 1) (select .cse15 .cse9))))) (store .cse32 .cse2 (+ (select .cse32 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse2 v_ArrVal_1823))) (store .cse31 .cse1 (+ (select .cse31 .cse1) 1))) (+ |c_~#a~0.offset| 28 .cse30)) 0))))))) is different from false [2023-12-02 20:55:54,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:56,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:55:59,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:56:23,828 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28))) (.cse12 (select |c_#memory_int| |c_~#a~0.base|)) (.cse7 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (let ((.cse16 (* |c_t_funThread4of4ForFork0_~i~0#1| 28)) (.cse0 (select |c_#pthreadsMutex| |c_~#a~0.base|)) (.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28))) (.cse15 (store |c_#memory_int| |c_~#a~0.base| (let ((.cse28 (store .cse12 .cse7 (+ (- 1) (select .cse12 .cse7))))) (store .cse28 .cse5 (+ (select .cse28 .cse5) 1)))))) (and (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse1 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (not (= (select .cse0 (+ |c_~#a~0.offset| 4 .cse1)) 0)) (= (select (let ((.cse2 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse4 (let ((.cse6 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse6 .cse7 (+ (- 1) (select .cse6 .cse7)))))) (store .cse4 .cse5 (+ (select .cse4 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse5 v_ArrVal_1823))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))) (+ |c_~#a~0.offset| 28 .cse1)) 0)))) (forall ((v_ArrVal_1822 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse13 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse8 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse9 (let ((.cse11 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse10 (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse12 .cse11 (+ (select .cse12 .cse11) 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse10 .cse11 (+ (- 1) (select .cse10 .cse11))))))) (store .cse9 .cse5 (+ (select .cse9 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse5 v_ArrVal_1823))) (store .cse8 .cse3 (+ (select .cse8 .cse3) 1))) (+ |c_~#a~0.offset| 28 .cse13)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse13)) 0))))) (or (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse14 (store (select (store .cse15 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse5 v_ArrVal_1823))) (store .cse14 .cse3 (+ (select .cse14 .cse3) 1))) (+ .cse16 |c_~#a~0.offset| 28)) 0)) (not (= (select (select |c_#pthreadsMutex| |c_t_funThread4of4ForFork0_~p~0#1.base|) (+ |c_t_funThread4of4ForFork0_~p~0#1.offset| 4)) 0))) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1810 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1816 (Array Int Int)) (v_ArrVal_1815 (Array Int Int)) (v_ArrVal_1823 Int)) (let ((.cse19 (* |v_t_funThread3of4ForFork0_~i~0#1_23| 28)) (.cse24 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (= (select (let ((.cse17 (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse20 (let ((.cse22 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse21 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse23 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1810) |c_~#a~0.base|))) (store .cse23 .cse22 (+ (select .cse23 .cse22) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1816) |c_~#a~0.base|))) (store .cse21 .cse22 (+ (select .cse21 .cse22) (- 1))))))) (store .cse20 .cse5 (+ (select .cse20 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse5 v_ArrVal_1823)) (.cse18 (+ |c_~#a~0.offset| 28 .cse19))) (store .cse17 .cse18 (+ (select .cse17 .cse18) 1))) (+ |c_~#a~0.offset| 28 .cse24)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#a~0.base| (store .cse0 (+ |c_~#a~0.offset| 4 .cse19) 1)) |c_~#__global_lock~0.base| v_ArrVal_1815) |c_~#a~0.base|) (+ |c_~#a~0.offset| 4 .cse24)) 0))))) (forall ((v_ArrVal_1822 (Array Int Int)) (v_ArrVal_1823 Int)) (= (select (let ((.cse25 (store (select (store .cse15 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse5 v_ArrVal_1823))) (store .cse25 .cse3 (+ (select .cse25 .cse3) 1))) (+ .cse16 |c_~#a~0.offset|)) 0)) (forall ((v_ArrVal_1822 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_23| Int) (v_ArrVal_1823 Int)) (let ((.cse26 (* |v_t_funThread4of4ForFork0_~i~0#1_23| 28))) (or (not (= (select .cse0 (+ |c_~#a~0.offset| 4 .cse26)) 0)) (= (select (let ((.cse27 (store (select (store .cse15 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1822) |c_~#a~0.base|) .cse5 v_ArrVal_1823))) (store .cse27 .cse3 (+ (select .cse27 .cse3) 1))) (+ |c_~#a~0.offset| 28 .cse26)) 0))))))) is different from false [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:56:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:56:28,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-12-02 20:56:28,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-12-02 20:56:28,299 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:56:28,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:56:28,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1460941003, now seen corresponding path program 1 times [2023-12-02 20:56:28,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:56:28,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439932191] [2023-12-02 20:56:28,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:56:28,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:56:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 20:56:28,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:56:28,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439932191] [2023-12-02 20:56:28,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439932191] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:56:28,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286489149] [2023-12-02 20:56:28,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:56:28,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:56:28,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:56:28,558 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:56:28,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-12-02 20:56:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:28,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:56:28,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:28,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:56:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:56:29,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:56:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 20:56:29,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:56:29,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:56:29,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2023-12-02 20:56:29,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-12-02 20:56:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 20:56:29,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286489149] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:56:29,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:56:29,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2023-12-02 20:56:29,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836455359] [2023-12-02 20:56:29,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:56:29,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 20:56:29,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:56:29,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 20:56:29,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=138, Unknown=2, NotChecked=0, Total=182 [2023-12-02 20:56:29,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:56:29,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:56:29,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.071428571428571) internal successors, (211), 13 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:56:29,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:56:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:56:55,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:56:55,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-12-02 20:56:55,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-12-02 20:56:55,876 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:56:55,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:56:55,877 INFO L85 PathProgramCache]: Analyzing trace with hash 231375991, now seen corresponding path program 1 times [2023-12-02 20:56:55,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:56:55,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092861670] [2023-12-02 20:56:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:56:55,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:56:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 20:56:58,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:56:58,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092861670] [2023-12-02 20:56:58,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092861670] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:56:58,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686493796] [2023-12-02 20:56:58,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:56:58,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:56:58,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:56:58,244 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:56:58,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-12-02 20:56:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:58,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 20:56:58,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:58,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 20:56:58,579 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:56:58,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:56:58,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:56:58,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:56:58,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-12-02 20:56:58,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 20:56:58,920 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2023-12-02 20:56:58,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2023-12-02 20:56:59,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:56:59,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2023-12-02 20:56:59,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 20:56:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:56:59,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2023-12-02 20:56:59,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 20:56:59,344 INFO L349 Elim1Store]: treesize reduction 16, result has 44.8 percent of original size [2023-12-02 20:56:59,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 22 [2023-12-02 20:56:59,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-12-02 20:56:59,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2023-12-02 20:56:59,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 106 [2023-12-02 20:56:59,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 121 [2023-12-02 20:57:00,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 233 [2023-12-02 20:57:00,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 134 [2023-12-02 20:57:00,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 223 [2023-12-02 20:57:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 20:57:00,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:57:01,059 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2622 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int)) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)) v_ArrVal_2624) (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)) v_ArrVal_2627) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 20:57:01,372 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2622 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int)) (= (select (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (let ((.cse2 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)) v_ArrVal_2624) .cse3 v_ArrVal_2627)) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset| 28)) 0)) is different from false [2023-12-02 20:57:01,712 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2622 (Array Int Int)) (v_ArrVal_2619 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int) (|v_t_funThread4of4ForFork0_~i~0#1_37| Int) (v_ArrVal_2618 (Array Int Int))) (let ((.cse4 (* |v_t_funThread4of4ForFork0_~i~0#1_37| 28))) (or (= (select (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse0 (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2619) |c_~#a~0.base|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)) v_ArrVal_2624) .cse3 v_ArrVal_2627)) (+ |c_~#a~0.offset| .cse4 28)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2618) |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse4 4)) 0))))) is different from false [2023-12-02 20:57:01,727 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2622 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2619 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int) (|v_t_funThread4of4ForFork0_~i~0#1_37| Int) (v_ArrVal_2618 (Array Int Int))) (let ((.cse5 (* |v_t_funThread4of4ForFork0_~i~0#1_37| 28))) (or (= (select (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse1 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse0 (let ((.cse2 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse4 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse4 .cse1 (+ (select .cse4 .cse1) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2619) |c_~#a~0.base|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)) v_ArrVal_2624) .cse3 v_ArrVal_2627)) (+ |c_~#a~0.offset| .cse5 28)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2618) |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse5 4)) 0))))) is different from false [2023-12-02 20:57:01,897 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2622 (Array Int Int)) (|t_funThread1of4ForFork0_~i~0#1| Int) (v_ArrVal_2619 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int) (|v_t_funThread4of4ForFork0_~i~0#1_37| Int) (v_ArrVal_2618 (Array Int Int))) (let ((.cse5 (* |v_t_funThread4of4ForFork0_~i~0#1_37| 28))) (or (= (select (let ((.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse1 (+ |c_~#a~0.offset| (* 28 |t_funThread1of4ForFork0_~i~0#1|)))) (let ((.cse0 (let ((.cse2 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse4 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse4 .cse1 (+ (select .cse4 .cse1) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2619) |c_~#a~0.base|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28) 28) v_ArrVal_2624) .cse3 v_ArrVal_2627)) (+ |c_~#a~0.offset| .cse5 28)) 0) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread3of4ForFork0_~p~0#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of4ForFork0_~p~0#1.base|) (+ |c_t_funThread3of4ForFork0_~p~0#1.offset| 4) 1)) |c_~#__global_lock~0.base| v_ArrVal_2618) |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse5 4)) 0))))) is different from false [2023-12-02 20:57:05,223 INFO L349 Elim1Store]: treesize reduction 35, result has 40.7 percent of original size [2023-12-02 20:57:05,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 40 [2023-12-02 20:57:05,254 INFO L349 Elim1Store]: treesize reduction 15, result has 61.5 percent of original size [2023-12-02 20:57:05,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 57 [2023-12-02 20:57:05,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-02 20:57:32,109 WARN L854 $PredicateComparison]: unable to prove that (and (or (forall ((|v_t_funThread2of4ForFork0_~i~0#1_37| Int) (v_ArrVal_2613 (Array Int Int)) (v_ArrVal_2622 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_37| Int) (|t_funThread1of4ForFork0_~i~0#1| Int) (|~#a~0.offset| Int) (v_ArrVal_2619 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int) (|v_t_funThread4of4ForFork0_~i~0#1_37| Int)) (= (select (let ((.cse3 (+ 28 |~#a~0.offset| (* |v_t_funThread2of4ForFork0_~i~0#1_37| 28)))) (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse1 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (let ((.cse0 (let ((.cse2 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2613) |c_~#a~0.base|))) (store .cse4 .cse1 (+ (select .cse4 .cse1) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2619) |c_~#a~0.base|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ (* |v_t_funThread3of4ForFork0_~i~0#1_37| 28) 28 |~#a~0.offset|) v_ArrVal_2624) .cse3 v_ArrVal_2627)) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_37| 28) 28 |~#a~0.offset|)) 0)) (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|))) (forall ((|v_t_funThread2of4ForFork0_~i~0#1_37| Int) (v_ArrVal_2613 (Array Int Int)) (v_ArrVal_2622 (Array Int Int)) (|v_t_funThread3of4ForFork0_~i~0#1_37| Int) (|t_funThread1of4ForFork0_~i~0#1| Int) (|~#a~0.offset| Int) (v_ArrVal_2619 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int) (|v_t_funThread4of4ForFork0_~i~0#1_37| Int)) (or (= (select (let ((.cse8 (+ 28 |~#a~0.offset| (* |v_t_funThread2of4ForFork0_~i~0#1_37| 28)))) (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (+ (* 28 |t_funThread1of4ForFork0_~i~0#1|) |~#a~0.offset|))) (let ((.cse5 (let ((.cse7 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2613) |c_~#a~0.base|))) (store .cse9 .cse6 (+ (select .cse9 .cse6) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2619) |c_~#a~0.base|))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6)))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) (+ (* |v_t_funThread3of4ForFork0_~i~0#1_37| 28) 28 |~#a~0.offset|) v_ArrVal_2624) .cse8 v_ArrVal_2627)) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_37| 28) 28 |~#a~0.offset|)) 0) (= |v_t_funThread3of4ForFork0_~i~0#1_37| |v_t_funThread4of4ForFork0_~i~0#1_37|) (= |v_t_funThread2of4ForFork0_~i~0#1_37| |v_t_funThread4of4ForFork0_~i~0#1_37|)))) is different from false [2023-12-02 20:57:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 19 not checked. [2023-12-02 20:57:33,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686493796] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:57:33,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:57:33,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21, 22] total 50 [2023-12-02 20:57:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594033935] [2023-12-02 20:57:33,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:57:33,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-12-02 20:57:33,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:57:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-12-02 20:57:33,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1722, Unknown=73, NotChecked=546, Total=2550 [2023-12-02 20:57:33,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:57:33,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:57:33,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.117647058823529) internal successors, (210), 50 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:57:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:58:32,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:58:36,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:58:39,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:07,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:23,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:59:32,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:34,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:45,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:47,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:49,980 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, 1] [2023-12-02 21:00:16,615 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28))) (.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28))) (.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28))) (.cse4 (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (and (forall ((v_ArrVal_2622 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int)) (= 0 (select (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) .cse2 v_ArrVal_2624) .cse3 v_ArrVal_2627) .cse4))) (forall ((v_ArrVal_2622 (Array Int Int)) (v_ArrVal_2624 Int) (v_ArrVal_2627 Int)) (= (select (store (store (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse5 (store .cse0 .cse3 (+ (select .cse0 .cse3) 1)))) (store .cse5 .cse1 (+ (- 1) (select .cse5 .cse1))))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2622) |c_~#a~0.base|) .cse2 v_ArrVal_2624) .cse3 v_ArrVal_2627) .cse4) 0)))) is different from false [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:00:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 21:00:27,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-12-02 21:00:27,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-12-02 21:00:27,849 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 21:00:27,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:00:27,849 INFO L85 PathProgramCache]: Analyzing trace with hash 377447216, now seen corresponding path program 1 times [2023-12-02 21:00:27,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 21:00:27,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080342584] [2023-12-02 21:00:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 21:00:27,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:00:28,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 21:00:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080342584] [2023-12-02 21:00:28,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080342584] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 21:00:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560970952] [2023-12-02 21:00:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 21:00:28,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 21:00:28,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 21:00:28,031 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 21:00:28,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-12-02 21:00:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:28,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:00:28,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:28,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 21:00:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:00:28,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 21:00:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:00:28,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 21:00:28,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:00:28,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2023-12-02 21:00:28,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-12-02 21:00:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:00:28,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560970952] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 21:00:28,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 21:00:28,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2023-12-02 21:00:28,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820074712] [2023-12-02 21:00:28,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 21:00:28,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 21:00:28,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 21:00:28,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 21:00:28,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-12-02 21:00:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 21:00:28,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 21:00:28,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 13 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 21:00:28,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 21:00:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:01:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 21:01:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 21:01:01,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-12-02 21:01:01,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-12-02 21:01:01,360 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 21:01:01,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:01:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash -681421352, now seen corresponding path program 4 times [2023-12-02 21:01:01,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 21:01:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918002089] [2023-12-02 21:01:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 21:01:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 73 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:01:16,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 21:01:16,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918002089] [2023-12-02 21:01:16,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918002089] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 21:01:16,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321438495] [2023-12-02 21:01:16,808 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 21:01:16,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 21:01:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 21:01:16,809 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 21:01:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446fce5e-b954-4d31-9062-9c58dd36d1c9/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-12-02 21:01:17,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 21:01:17,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 21:01:17,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 21:01:17,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:17,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-02 21:01:17,214 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 21:01:17,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 21:01:17,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 21:01:17,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-12-02 21:01:17,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 21:01:17,697 INFO L349 Elim1Store]: treesize reduction 37, result has 38.3 percent of original size [2023-12-02 21:01:17,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 38 [2023-12-02 21:01:17,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-12-02 21:01:18,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:01:18,127 INFO L349 Elim1Store]: treesize reduction 59, result has 37.9 percent of original size [2023-12-02 21:01:18,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 57 [2023-12-02 21:01:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:01:18,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2023-12-02 21:01:18,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 21:01:18,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:01:18,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2023-12-02 21:01:19,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 21:01:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:01:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:01:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:01:19,332 INFO L349 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2023-12-02 21:01:19,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 33 [2023-12-02 21:01:19,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-12-02 21:01:19,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2023-12-02 21:01:19,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2023-12-02 21:01:20,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 71 [2023-12-02 21:01:20,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 133 [2023-12-02 21:01:20,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 255 treesize of output 249 [2023-12-02 21:01:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 21:01:20,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 21:01:21,568 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2939 (Array Int Int))) (= (select (let ((.cse0 (let ((.cse2 (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|)) (.cse5 (+ |c_~#a~0.offset| (* |c_t_funThread2of4ForFork0_~i~0#1| 28)))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5))))) (.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 21:01:21,603 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int))) (= (select (let ((.cse0 (let ((.cse2 (let ((.cse5 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5)))))) (.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2023-12-02 21:01:21,624 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int))) (= 0 (select (let ((.cse0 (let ((.cse2 (let ((.cse5 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5)))))) (.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) (.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#a~0.offset| 28)))) is different from false [2023-12-02 21:01:24,373 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int)) (v_ArrVal_2936 (Array Int Int))) (let ((.cse0 (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28))) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2936) |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse0 4)) 0)) (= (select (let ((.cse1 (let ((.cse3 (let ((.cse6 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse7 .cse6 (+ (select .cse7 .cse6) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6)))))) (.cse4 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (store .cse1 .cse2 (+ (- 1) (select .cse1 .cse2)))) (+ |c_~#a~0.offset| .cse0 28)) 0)))) is different from false [2023-12-02 21:01:24,393 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int)) (v_ArrVal_2936 (Array Int Int))) (let ((.cse8 (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28))) (or (= (select (let ((.cse1 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (let ((.cse0 (let ((.cse2 (let ((.cse5 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse7 .cse1 (+ (select .cse7 .cse1) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5)))))) (.cse3 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28)))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1))))) (+ |c_~#a~0.offset| .cse8 28)) 0) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2936) |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse8 4)) 0))))) is different from false [2023-12-02 21:01:24,434 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int)) (v_ArrVal_2936 (Array Int Int))) (let ((.cse0 (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28))) (or (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2936) |c_~#a~0.base|) (+ |c_~#a~0.offset| .cse0 4)) 0)) (= (select (let ((.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28)))) (let ((.cse1 (let ((.cse3 (let ((.cse6 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse8 (select |c_#memory_int| |c_~#a~0.base|))) (store .cse8 .cse2 (+ (select .cse8 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse7 .cse6 (+ (select .cse7 .cse6) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6)))))) (.cse4 (+ |c_~#a~0.offset| (* |c_t_funThread3of4ForFork0_~i~0#1| 28) 28))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))) (store .cse1 .cse2 (+ (- 1) (select .cse1 .cse2))))) (+ |c_~#a~0.offset| .cse0 28)) 0)))) is different from false [2023-12-02 21:01:26,879 INFO L349 Elim1Store]: treesize reduction 128, result has 29.7 percent of original size [2023-12-02 21:01:26,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 113 [2023-12-02 21:01:26,914 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-12-02 21:01:26,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 68 [2023-12-02 21:01:26,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-12-02 21:01:26,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:01:26,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2023-12-02 21:01:26,978 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-02 21:01:26,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 16 [2023-12-02 21:01:27,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2023-12-02 21:01:27,075 INFO L349 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2023-12-02 21:01:27,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 53 [2023-12-02 21:01:27,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:01:27,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:01:27,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 78 [2023-12-02 21:01:27,491 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse18 (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|))) (.cse2 (+ |c_~#a~0.offset| (* |c_t_funThread1of4ForFork0_~i~0#1| 28) 28))) (and (forall ((|v_t_funThread3of4ForFork0_~i~0#1_44| Int)) (let ((.cse0 (* |v_t_funThread3of4ForFork0_~i~0#1_44| 28))) (or (= (+ |c_~#a~0.offset| .cse0) |c_t_funThread1of4ForFork0_~p~0#1.offset|) (forall ((v_ArrVal_2931 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int))) (let ((.cse9 (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28))) (or (= |v_t_funThread3of4ForFork0_~i~0#1_44| |v_t_funThread4of4ForFork0_~i~0#1_44|) (= (select (let ((.cse1 (let ((.cse3 (let ((.cse6 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse8 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2931) |c_~#a~0.base|))) (store .cse8 .cse2 (+ (select .cse8 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse7 .cse6 (+ (select .cse7 .cse6) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6)))))) (.cse4 (+ |c_~#a~0.offset| .cse0 28))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))) (store .cse1 .cse2 (+ (- 1) (select .cse1 .cse2)))) (+ |c_~#a~0.offset| .cse9 28)) 0) (= (+ |c_~#a~0.offset| .cse9) |c_t_funThread1of4ForFork0_~p~0#1.offset|))))))) (or (forall ((|v_t_funThread3of4ForFork0_~i~0#1_44| Int) (v_ArrVal_2931 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int))) (let ((.cse10 (* |v_t_funThread3of4ForFork0_~i~0#1_44| 28))) (or (= (+ |c_~#a~0.offset| .cse10) |c_t_funThread1of4ForFork0_~p~0#1.offset|) (= (select (let ((.cse11 (let ((.cse12 (let ((.cse15 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse14 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse16 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse17 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2931) |c_~#a~0.base|))) (store .cse17 .cse2 (+ (select .cse17 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse16 .cse15 (+ (select .cse16 .cse15) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse14 .cse15 (+ (- 1) (select .cse14 .cse15)))))) (.cse13 (+ |c_~#a~0.offset| .cse10 28))) (store .cse12 .cse13 (+ (select .cse12 .cse13) 1))))) (store .cse11 .cse2 (+ (- 1) (select .cse11 .cse2)))) (+ |c_~#a~0.offset| (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28) 28)) 0)))) .cse18) (or (= |c_t_funThread1of4ForFork0_~p~0#1.base| |c_~#a~0.base|) (and (or (forall ((|v_t_funThread3of4ForFork0_~i~0#1_44| Int) (v_ArrVal_2931 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int))) (= (select (let ((.cse19 (let ((.cse20 (let ((.cse23 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse22 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse24 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2931) |c_~#a~0.base|))) (store .cse25 .cse2 (+ (select .cse25 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse24 .cse23 (+ (select .cse24 .cse23) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse22 .cse23 (+ (- 1) (select .cse22 .cse23)))))) (.cse21 (+ |c_~#a~0.offset| (* |v_t_funThread3of4ForFork0_~i~0#1_44| 28) 28))) (store .cse20 .cse21 (+ (select .cse20 .cse21) 1))))) (store .cse19 .cse2 (+ (- 1) (select .cse19 .cse2)))) (+ |c_~#a~0.offset| (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28) 28)) 0)) .cse18) (forall ((|v_t_funThread3of4ForFork0_~i~0#1_44| Int) (v_ArrVal_2931 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int))) (or (= |v_t_funThread3of4ForFork0_~i~0#1_44| |v_t_funThread4of4ForFork0_~i~0#1_44|) (= (select (let ((.cse26 (let ((.cse27 (let ((.cse30 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (let ((.cse29 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse31 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse32 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2931) |c_~#a~0.base|))) (store .cse32 .cse2 (+ (select .cse32 .cse2) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse31 .cse30 (+ (select .cse31 .cse30) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse29 .cse30 (+ (- 1) (select .cse29 .cse30)))))) (.cse28 (+ |c_~#a~0.offset| (* |v_t_funThread3of4ForFork0_~i~0#1_44| 28) 28))) (store .cse27 .cse28 (+ (select .cse27 .cse28) 1))))) (store .cse26 .cse2 (+ (- 1) (select .cse26 .cse2)))) (+ |c_~#a~0.offset| (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28) 28)) 0))))))) is different from false [2023-12-02 21:01:27,996 WARN L854 $PredicateComparison]: unable to prove that (and (or (not (= |c_~#a~0.base| |c_~#__global_lock~0.base|)) (forall ((|v_t_funThread3of4ForFork0_~i~0#1_44| Int) (v_ArrVal_2931 (Array Int Int)) (|~#a~0.offset| Int) (|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (|v_t_funThread1of4ForFork0_~i~0#1_41| Int) (v_ArrVal_2937 (Array Int Int))) (or (= (select (let ((.cse1 (+ (* |v_t_funThread1of4ForFork0_~i~0#1_41| 28) 28 |~#a~0.offset|))) (let ((.cse0 (let ((.cse2 (let ((.cse5 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |~#a~0.offset|))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse6 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2931) |c_~#a~0.base|))) (store .cse7 .cse1 (+ (select .cse7 .cse1) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse6 .cse5 (+ (select .cse6 .cse5) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse4 .cse5 (+ (- 1) (select .cse4 .cse5)))))) (.cse3 (+ (* |v_t_funThread3of4ForFork0_~i~0#1_44| 28) 28 |~#a~0.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (store .cse0 .cse1 (+ (select .cse0 .cse1) (- 1))))) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28) 28 |~#a~0.offset|)) 0) (= |v_t_funThread1of4ForFork0_~i~0#1_41| |v_t_funThread3of4ForFork0_~i~0#1_44|)))) (forall ((|v_t_funThread3of4ForFork0_~i~0#1_44| Int) (|~#a~0.offset| Int) (|v_t_funThread1of4ForFork0_~i~0#1_41| Int)) (or (= |v_t_funThread1of4ForFork0_~i~0#1_41| |v_t_funThread3of4ForFork0_~i~0#1_44|) (forall ((v_ArrVal_2931 (Array Int Int)) (|v_t_funThread4of4ForFork0_~i~0#1_44| Int) (|t_funThread2of4ForFork0_~i~0#1| Int) (v_ArrVal_2939 (Array Int Int)) (v_ArrVal_2937 (Array Int Int))) (or (= (select (let ((.cse9 (+ (* |v_t_funThread1of4ForFork0_~i~0#1_41| 28) 28 |~#a~0.offset|))) (let ((.cse8 (let ((.cse10 (let ((.cse13 (+ (* |t_funThread2of4ForFork0_~i~0#1| 28) |~#a~0.offset|))) (let ((.cse12 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse14 (select (store (store |c_#memory_int| |c_~#a~0.base| (let ((.cse15 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2931) |c_~#a~0.base|))) (store .cse15 .cse9 (+ (select .cse15 .cse9) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2937) |c_~#a~0.base|))) (store .cse14 .cse13 (+ (select .cse14 .cse13) 1)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2939) |c_~#a~0.base|))) (store .cse12 .cse13 (+ (- 1) (select .cse12 .cse13)))))) (.cse11 (+ (* |v_t_funThread3of4ForFork0_~i~0#1_44| 28) 28 |~#a~0.offset|))) (store .cse10 .cse11 (+ (select .cse10 .cse11) 1))))) (store .cse8 .cse9 (+ (select .cse8 .cse9) (- 1))))) (+ (* |v_t_funThread4of4ForFork0_~i~0#1_44| 28) 28 |~#a~0.offset|)) 0) (= |v_t_funThread3of4ForFork0_~i~0#1_44| |v_t_funThread4of4ForFork0_~i~0#1_44|) (= |v_t_funThread1of4ForFork0_~i~0#1_41| |v_t_funThread4of4ForFork0_~i~0#1_44|)))))) is different from false [2023-12-02 21:01:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 7 refuted. 3 times theorem prover too weak. 55 trivial. 16 not checked. [2023-12-02 21:01:29,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321438495] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 21:01:29,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 21:01:29,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 22, 24] total 72 [2023-12-02 21:01:29,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274544975] [2023-12-02 21:01:29,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 21:01:29,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-12-02 21:01:29,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 21:01:29,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-12-02 21:01:29,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=3813, Unknown=22, NotChecked=1064, Total=5256 [2023-12-02 21:01:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 21:01:29,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 21:01:29,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.232876712328767) internal successors, (236), 72 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 21:01:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.