./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da100b5cb95d7325be7357bb16aa7526e66fa3d3a90ac0a0850ac9736c0f81ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-22 08:56:19,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 08:56:19,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-22 08:56:19,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 08:56:19,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 08:56:19,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 08:56:19,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 08:56:19,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 08:56:19,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 08:56:19,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 08:56:19,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 08:56:19,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 08:56:19,390 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 08:56:19,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 08:56:19,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 08:56:19,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 08:56:19,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 08:56:19,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 08:56:19,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 08:56:19,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 08:56:19,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 08:56:19,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 08:56:19,395 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-22 08:56:19,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-22 08:56:19,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 08:56:19,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 08:56:19,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 08:56:19,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 08:56:19,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 08:56:19,398 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-22 08:56:19,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 08:56:19,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 08:56:19,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 08:56:19,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 08:56:19,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 08:56:19,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 08:56:19,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 08:56:19,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 08:56:19,402 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-22 08:56:19,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-22 08:56:19,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 08:56:19,403 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-22 08:56:19,403 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-22 08:56:19,403 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_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da100b5cb95d7325be7357bb16aa7526e66fa3d3a90ac0a0850ac9736c0f81ee [2023-11-22 08:56:19,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 08:56:19,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 08:56:19,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 08:56:19,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 08:56:19,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 08:56:19,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/../../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid.i [2023-11-22 08:56:22,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 08:56:23,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 08:56:23,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid.i [2023-11-22 08:56:23,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/data/0177305ea/d2524f28b6ef4a58a7749e59a861f15d/FLAG3e502bf66 [2023-11-22 08:56:23,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/data/0177305ea/d2524f28b6ef4a58a7749e59a861f15d [2023-11-22 08:56:23,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 08:56:23,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 08:56:23,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 08:56:23,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 08:56:23,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 08:56:23,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:23,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7c710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23, skipping insertion in model container [2023-11-22 08:56:23,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:23,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 08:56:23,358 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-22 08:56:23,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 08:56:23,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 08:56:23,771 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-22 08:56:23,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 08:56:23,891 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 08:56:23,898 INFO L206 MainTranslator]: Completed translation [2023-11-22 08:56:23,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23 WrapperNode [2023-11-22 08:56:23,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 08:56:23,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 08:56:23,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 08:56:23,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 08:56:23,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:23,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:23,995 INFO L138 Inliner]: procedures = 264, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-22 08:56:23,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 08:56:23,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 08:56:23,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 08:56:23,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 08:56:24,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 08:56:24,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 08:56:24,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 08:56:24,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 08:56:24,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (1/1) ... [2023-11-22 08:56:24,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 08:56:24,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:56:24,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 08:56:24,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 08:56:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 08:56:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 08:56:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 08:56:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 08:56:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 08:56:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 08:56:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-22 08:56:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-22 08:56:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 08:56:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 08:56:24,146 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-22 08:56:24,279 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 08:56:24,282 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 08:56:24,638 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 08:56:24,652 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 08:56:24,654 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-22 08:56:24,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:56:24 BoogieIcfgContainer [2023-11-22 08:56:24,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 08:56:24,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 08:56:24,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 08:56:24,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 08:56:24,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:56:23" (1/3) ... [2023-11-22 08:56:24,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61deeea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:56:24, skipping insertion in model container [2023-11-22 08:56:24,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:56:23" (2/3) ... [2023-11-22 08:56:24,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61deeea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:56:24, skipping insertion in model container [2023-11-22 08:56:24,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:56:24" (3/3) ... [2023-11-22 08:56:24,664 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-struct-tid.i [2023-11-22 08:56:24,672 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-22 08:56:24,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 08:56:24,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-22 08:56:24,683 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-22 08:56:24,741 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-22 08:56:24,788 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 08:56:24,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-22 08:56:24,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:56:24,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-22 08:56:24,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-22 08:56:24,867 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-22 08:56:24,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-11-22 08:56:24,889 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;@55d21842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 08:56:24,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 08:56:25,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-22 08:56:25,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:56:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash -752109601, now seen corresponding path program 1 times [2023-11-22 08:56:25,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:56:25,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513458649] [2023-11-22 08:56:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:56:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:25,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:56:25,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513458649] [2023-11-22 08:56:25,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513458649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:56:25,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:56:25,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 08:56:25,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105137681] [2023-11-22 08:56:25,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:56:25,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-22 08:56:25,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:56:25,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-22 08:56:25,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-22 08:56:25,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:25,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:56:25,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 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) [2023-11-22 08:56:25,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:25,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 08:56:25,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-22 08:56:25,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:56:25,590 INFO L85 PathProgramCache]: Analyzing trace with hash 123090180, now seen corresponding path program 1 times [2023-11-22 08:56:25,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:56:25,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320762983] [2023-11-22 08:56:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:25,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:56:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:26,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:56:26,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320762983] [2023-11-22 08:56:26,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320762983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:56:26,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:56:26,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 08:56:26,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857784500] [2023-11-22 08:56:26,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:56:26,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 08:56:26,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:56:26,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 08:56:26,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-22 08:56:26,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:26,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:56:26,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-22 08:56:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:26,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 08:56:26,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-22 08:56:26,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:56:26,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1173503134, now seen corresponding path program 1 times [2023-11-22 08:56:26,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:56:26,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521392028] [2023-11-22 08:56:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:26,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:56:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:27,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:56:27,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521392028] [2023-11-22 08:56:27,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521392028] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 08:56:27,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527504636] [2023-11-22 08:56:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:27,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:56:27,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 08:56:27,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-22 08:56:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:27,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-22 08:56:27,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 08:56:27,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-22 08:56:27,963 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-22 08:56:27,963 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 [2023-11-22 08:56:28,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-22 08:56:28,021 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 23 treesize of output 22 [2023-11-22 08:56:28,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:28,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-22 08:56:28,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:28,071 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 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-22 08:56:28,283 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 34 [2023-11-22 08:56:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:28,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 08:56:28,331 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_179 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)))) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-11-22 08:56:28,518 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-22 08:56:28,541 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse2 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) .cse2) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-22 08:56:28,566 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) (.cse3 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse1 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_179 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) .cse2))) (forall ((v_ArrVal_179 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) .cse3))) (forall ((v_ArrVal_179 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_179) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-22 08:56:28,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:28,589 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 4 case distinctions, treesize of input 37 treesize of output 53 [2023-11-22 08:56:28,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:28,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 28 [2023-11-22 08:56:28,609 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-22 08:56:28,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 1 [2023-11-22 08:56:28,617 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-22 08:56:28,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 1 [2023-11-22 08:56:28,624 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-22 08:56:28,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 1 [2023-11-22 08:56:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2023-11-22 08:56:28,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527504636] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 08:56:28,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 08:56:28,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 19 [2023-11-22 08:56:28,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701204025] [2023-11-22 08:56:28,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 08:56:28,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-22 08:56:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:56:28,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-22 08:56:28,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=202, Unknown=4, NotChecked=124, Total=380 [2023-11-22 08:56:28,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:28,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:56:28,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 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) [2023-11-22 08:56:28,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:28,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:28,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-22 08:56:29,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-22 08:56:29,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:29,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-22 08:56:29,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:56:29,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1684441920, now seen corresponding path program 1 times [2023-11-22 08:56:29,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:56:29,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544648200] [2023-11-22 08:56:29,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:29,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:56:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:32,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:56:32,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544648200] [2023-11-22 08:56:32,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544648200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 08:56:32,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883720147] [2023-11-22 08:56:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:32,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:56:32,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 08:56:32,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-22 08:56:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:32,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-22 08:56:32,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 08:56:32,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-22 08:56:32,484 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-22 08:56:32,487 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 [2023-11-22 08:56:32,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-22 08:56:32,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-22 08:56:32,676 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 [2023-11-22 08:56:32,682 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 [2023-11-22 08:56:32,850 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-22 08:56:32,851 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 16 treesize of output 15 [2023-11-22 08:56:32,860 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 5 treesize of output 3 [2023-11-22 08:56:32,874 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-22 08:56:32,874 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 24 treesize of output 17 [2023-11-22 08:56:32,917 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 13 treesize of output 9 [2023-11-22 08:56:32,972 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 23 treesize of output 22 [2023-11-22 08:56:33,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-11-22 08:56:33,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2023-11-22 08:56:33,496 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 15 treesize of output 7 [2023-11-22 08:56:33,503 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 23 treesize of output 11 [2023-11-22 08:56:33,592 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 34 [2023-11-22 08:56:33,622 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 34 [2023-11-22 08:56:33,652 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 34 [2023-11-22 08:56:33,685 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 34 [2023-11-22 08:56:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:33,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:33,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:33,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2023-11-22 08:56:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:33,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 08:56:34,044 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse1 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse1 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse1 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_292 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse3 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-11-22 08:56:34,141 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) .cse6)) (.cse2 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) .cse6))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse0 .cse1 (store (select .cse0 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse2 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse3 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse3 .cse1 (store (select .cse3 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse2 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse4 .cse1 (store (select .cse4 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse2 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (forall ((v_ArrVal_292 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse5 .cse1 (store (select .cse5 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)))) (< .cse2 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|)))))) is different from false [2023-11-22 08:56:34,270 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse1 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse3 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse3 .cse2 (store (select .cse3 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse4 .cse2 (store (select .cse4 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse5 .cse2 (store (select .cse5 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))))) is different from false [2023-11-22 08:56:34,593 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse3 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse1 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse5 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse5 .cse2 (store (select .cse5 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)))))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse6 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse6 .cse2 (store (select .cse6 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)))))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse7 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse7 .cse2 (store (select .cse7 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|))))))) is different from false [2023-11-22 08:56:34,646 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse7 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse3 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse1 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse5 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse5 .cse2 (store (select .cse5 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse6 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse6 .cse2 (store (select .cse6 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse7) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse8 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse8 .cse2 (store (select .cse8 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))))))) is different from false [2023-11-22 08:56:34,745 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) (.cse8 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse6 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse3 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse1 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse5 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse5 .cse2 (store (select .cse5 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse6) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= (select (select (let ((.cse7 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse7 .cse2 (store (select .cse7 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse8) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_12| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_12|) (forall ((v_ArrVal_292 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse9 (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_292))) (store .cse9 .cse2 (store (select .cse9 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_12| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4))))))))) is different from false [2023-11-22 08:56:34,800 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:34,804 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 4 case distinctions, treesize of input 81 treesize of output 72 [2023-11-22 08:56:34,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:34,818 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 290 treesize of output 258 [2023-11-22 08:56:34,836 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 205 treesize of output 189 [2023-11-22 08:56:34,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:34,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 87 [2023-11-22 08:56:35,034 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-22 08:56:35,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 1 [2023-11-22 08:56:35,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:35,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 72 [2023-11-22 08:56:35,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:56:35,075 INFO L349 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-11-22 08:56:35,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 144 [2023-11-22 08:56:35,087 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 48 treesize of output 44 [2023-11-22 08:56:35,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 86 [2023-11-22 08:56:35,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:35,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 72 [2023-11-22 08:56:35,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:56:35,157 INFO L349 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-11-22 08:56:35,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 144 [2023-11-22 08:56:35,172 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 48 treesize of output 44 [2023-11-22 08:56:35,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 86 [2023-11-22 08:56:35,679 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 37 treesize of output 35 [2023-11-22 08:56:35,682 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 42 treesize of output 40 [2023-11-22 08:56:35,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2023-11-22 08:56:35,695 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 15 treesize of output 13 [2023-11-22 08:56:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-22 08:56:35,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883720147] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 08:56:35,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 08:56:35,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 51 [2023-11-22 08:56:35,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865015516] [2023-11-22 08:56:35,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 08:56:35,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-22 08:56:35,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:56:35,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-22 08:56:35,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1871, Unknown=6, NotChecked=558, Total=2652 [2023-11-22 08:56:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:35,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:56:35,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.0588235294117645) internal successors, (156), 52 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) [2023-11-22 08:56:35,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:35,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:35,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-22 08:56:35,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:39,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-22 08:56:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-22 08:56:39,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-22 08:56:40,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:40,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-22 08:56:40,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:56:40,062 INFO L85 PathProgramCache]: Analyzing trace with hash -374674482, now seen corresponding path program 2 times [2023-11-22 08:56:40,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:56:40,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181069874] [2023-11-22 08:56:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:56:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:42,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:56:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181069874] [2023-11-22 08:56:42,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181069874] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 08:56:42,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482241296] [2023-11-22 08:56:42,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-22 08:56:42,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:42,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:56:42,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 08:56:42,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-22 08:56:42,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-22 08:56:42,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 08:56:42,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-22 08:56:42,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 08:56:42,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-22 08:56:42,450 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-22 08:56:42,450 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 [2023-11-22 08:56:42,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-22 08:56:42,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-22 08:56:42,703 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 [2023-11-22 08:56:42,712 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 [2023-11-22 08:56:42,873 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 [2023-11-22 08:56:42,879 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 [2023-11-22 08:56:42,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-22 08:56:42,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-22 08:56:43,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-11-22 08:56:43,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-22 08:56:43,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-22 08:56:43,446 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 36 treesize of output 27 [2023-11-22 08:56:43,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2023-11-22 08:56:43,543 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 34 [2023-11-22 08:56:43,574 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 34 [2023-11-22 08:56:43,597 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 34 [2023-11-22 08:56:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:56:43,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:43,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2023-11-22 08:56:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:43,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 08:56:45,979 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse1 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse1 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse1 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse3 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))) is different from false [2023-11-22 08:56:46,338 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)))) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse2 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse2 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse3 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse4 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse4 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse4 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false [2023-11-22 08:56:46,406 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) .cse7)) (.cse2 (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) (.cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) .cse7))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse0 .cse1 (store (select .cse0 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse4 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse4 .cse1 (store (select .cse4 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse5 .cse1 (store (select .cse5 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse2))) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse2 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse6 .cse1 (store (select .cse6 .cse1) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse3 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|)))))) is different from false [2023-11-22 08:56:48,560 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse3 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse1 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse4 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse4 .cse2 (store (select .cse4 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse3))) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse5 .cse2 (store (select .cse5 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse3 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse6 .cse2 (store (select .cse6 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)))))))) is different from false [2023-11-22 08:56:48,912 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (+ 6 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse3 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse4 (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) (.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse1 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse5 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse5 .cse2 (store (select .cse5 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse6 .cse2 (store (select .cse6 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse7) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse8 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse8 .cse2 (store (select .cse8 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|)))))) is different from false [2023-11-22 08:56:48,989 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) (.cse5 (+ 6 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse3 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|) .cse5 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse4 (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) (.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse1 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse5) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse6 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse6 .cse2 (store (select .cse6 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse4) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse7 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse7 .cse2 (store (select .cse7 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_13| Int)) (or (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_406 (Array Int Int))) (= (select (select (let ((.cse8 (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select (store .cse3 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_402) c_threadThread1of1ForFork0_~t~0.base) .cse4 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_406))) (store .cse8 .cse2 (store (select .cse8 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_13| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse9) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_13|)))))) is different from false [2023-11-22 08:56:49,059 INFO L349 Elim1Store]: treesize reduction 33, result has 61.6 percent of original size [2023-11-22 08:56:49,059 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 1682 treesize of output 1286 [2023-11-22 08:56:49,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:56:49,089 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 386 treesize of output 352 [2023-11-22 08:56:49,108 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 108 treesize of output 104 [2023-11-22 08:56:49,128 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 221 treesize of output 205 [2023-11-22 08:56:49,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:56:49,402 INFO L349 Elim1Store]: treesize reduction 60, result has 30.2 percent of original size [2023-11-22 08:56:49,403 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 678 treesize of output 491 [2023-11-22 08:56:49,419 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 80 treesize of output 76 [2023-11-22 08:56:49,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:56:49,428 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 184 treesize of output 158 [2023-11-22 08:56:49,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:56:49,475 INFO L349 Elim1Store]: treesize reduction 85, result has 1.2 percent of original size [2023-11-22 08:56:49,475 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 414 treesize of output 1 [2023-11-22 08:56:49,481 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:56:49,494 INFO L349 Elim1Store]: treesize reduction 85, result has 1.2 percent of original size [2023-11-22 08:56:49,494 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 678 treesize of output 1 [2023-11-22 08:56:50,063 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 37 treesize of output 35 [2023-11-22 08:56:50,067 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 35 treesize of output 33 [2023-11-22 08:56:50,071 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 40 treesize of output 38 [2023-11-22 08:56:50,076 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 15 treesize of output 13 [2023-11-22 08:56:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-22 08:56:50,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482241296] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 08:56:50,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 08:56:50,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 19] total 54 [2023-11-22 08:56:50,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859109585] [2023-11-22 08:56:50,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 08:56:50,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-11-22 08:56:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:56:50,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-11-22 08:56:50,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=2147, Unknown=21, NotChecked=594, Total=2970 [2023-11-22 08:56:50,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:50,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:56:50,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.925925925925926) internal successors, (158), 55 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-22 08:56:50,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:50,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:50,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-22 08:56:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-11-22 08:56:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:56:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:56:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-22 08:56:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-22 08:56:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-22 08:56:55,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-22 08:56:56,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:56,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2023-11-22 08:56:56,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:56:56,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1322926626, now seen corresponding path program 3 times [2023-11-22 08:56:56,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:56:56,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696019586] [2023-11-22 08:56:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:56:56,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:56:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:56:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:56:58,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:56:58,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696019586] [2023-11-22 08:56:58,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696019586] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 08:56:58,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238254749] [2023-11-22 08:56:58,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-22 08:56:58,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:56:58,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:56:58,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 08:56:58,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f86aecb-5a4d-459e-aa67-0687a2979691/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-22 08:56:58,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-22 08:56:58,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 08:56:58,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-22 08:56:58,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 08:56:58,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-22 08:56:58,631 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-22 08:56:58,632 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 [2023-11-22 08:56:58,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-22 08:56:58,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-22 08:56:58,858 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 [2023-11-22 08:56:58,866 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 [2023-11-22 08:56:59,044 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 16 treesize of output 11 [2023-11-22 08:56:59,055 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 [2023-11-22 08:56:59,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-22 08:56:59,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-22 08:56:59,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-22 08:56:59,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-22 08:56:59,563 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 23 treesize of output 16 [2023-11-22 08:56:59,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-22 08:56:59,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-11-22 08:56:59,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2023-11-22 08:56:59,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 48 [2023-11-22 08:56:59,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 51 [2023-11-22 08:57:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:57:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:57:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:57:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 08:57:00,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2023-11-22 08:57:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:57:00,276 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 08:57:03,502 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse17 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse3 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 1 .cse17)) (.cse4 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 2 .cse17)) (.cse5 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 3 .cse17)) (.cse6 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse7 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse0 (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse1 (store (store (select .cse2 c_threadThread1of1ForFork0_~t~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse1) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse2 c_threadThread1of1ForFork0_~t~0.base .cse1) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse3 v_ArrVal_518) .cse4 0) .cse5 v_ArrVal_521)))))) (store .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse0 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse6) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse8 (let ((.cse10 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse9 (store (store (select .cse10 c_threadThread1of1ForFork0_~t~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse9) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse10 c_threadThread1of1ForFork0_~t~0.base .cse9) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse3 v_ArrVal_518) .cse4 0) .cse5 v_ArrVal_521)))))) (store .cse8 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse8 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse11 (let ((.cse13 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse12 (store (store (select .cse13 c_threadThread1of1ForFork0_~t~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse12) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse13 c_threadThread1of1ForFork0_~t~0.base .cse12) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse3 v_ArrVal_518) .cse4 0) .cse5 v_ArrVal_521)))))) (store .cse11 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse11 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse7) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse14 (let ((.cse16 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse15 (store (store (select .cse16 c_threadThread1of1ForFork0_~t~0.base) .cse6 |c_threadThread1of1ForFork0_#t~nondet4|) .cse7 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse15) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse16 c_threadThread1of1ForFork0_~t~0.base .cse15) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse3 v_ArrVal_518) .cse4 0) .cse5 v_ArrVal_521)))))) (store .cse14 |c_ULTIMATE.start_main_#t~mem13#1.base| (store (select .cse14 |c_ULTIMATE.start_main_#t~mem13#1.base|) |c_ULTIMATE.start_main_#t~mem13#1.offset| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false [2023-11-22 08:57:03,647 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse20 (* |c_ULTIMATE.start_main_~i~1#1| 4))) (let ((.cse19 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| .cse20))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) .cse19)) (.cse5 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 1 .cse20)) (.cse6 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 2 .cse20)) (.cse7 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 3 .cse20)) (.cse8 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse9 (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) (.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) .cse19))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse1 (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse3 (store (store (select .cse4 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse3) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse4 c_threadThread1of1ForFork0_~t~0.base .cse3) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse10 (let ((.cse12 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse11 (store (store (select .cse12 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse11) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse12 c_threadThread1of1ForFork0_~t~0.base .cse11) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse10 .cse2 (store (select .cse10 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse8) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse13 (let ((.cse15 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse14 (store (store (select .cse15 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse14) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse15 c_threadThread1of1ForFork0_~t~0.base .cse14) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse13 .cse2 (store (select .cse13 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse9) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse16 (let ((.cse18 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse17 (store (store (select .cse18 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse17) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse18 c_threadThread1of1ForFork0_~t~0.base .cse17) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse16 .cse2 (store (select .cse16 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|))))))) is different from false [2023-11-22 08:57:03,886 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse5 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 1)) (.cse6 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 2)) (.cse7 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 3)) (.cse9 (+ 7 c_threadThread1of1ForFork0_~t~0.offset)) (.cse8 (+ 6 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse1 (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse3 (store (store (select .cse4 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse3) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse4 c_threadThread1of1ForFork0_~t~0.base .cse3) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse10 (let ((.cse12 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse11 (store (store (select .cse12 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse11) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse12 c_threadThread1of1ForFork0_~t~0.base .cse11) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse10 .cse2 (store (select .cse10 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ 5 c_threadThread1of1ForFork0_~t~0.offset)) |c_threadThread1of1ForFork0_#t~nondet4|)) (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse13 (let ((.cse15 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse14 (store (store (select .cse15 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse14) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse15 c_threadThread1of1ForFork0_~t~0.base .cse14) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse13 .cse2 (store (select .cse13 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse9) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse16 (let ((.cse18 (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515))) (let ((.cse17 (store (store (select .cse18 c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse17) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store .cse18 c_threadThread1of1ForFork0_~t~0.base .cse17) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse5 v_ArrVal_518) .cse6 0) .cse7 v_ArrVal_521)))))) (store .cse16 .cse2 (store (select .cse16 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse8))))))) is different from false [2023-11-22 08:57:04,695 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse16 (+ 5 c_threadThread1of1ForFork0_~t~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~ts~0#1.base|) |c_ULTIMATE.start_main_~ts~0#1.offset|)) (.cse4 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 1)) (.cse5 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 2)) (.cse6 (+ |c_ULTIMATE.start_main_~ts~0#1.offset| 3)) (.cse7 (store |c_#race| c_threadThread1of1ForFork0_~t~0.base (store (select |c_#race| c_threadThread1of1ForFork0_~t~0.base) .cse16 |c_threadThread1of1ForFork0_#t~nondet4|))) (.cse8 (+ 6 c_threadThread1of1ForFork0_~t~0.offset)) (.cse9 (+ 7 c_threadThread1of1ForFork0_~t~0.offset))) (and (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse1 (let ((.cse3 (store (store (select (store .cse7 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse3) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base .cse3) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse4 v_ArrVal_518) .cse5 0) .cse6 v_ArrVal_521))))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) (+ c_threadThread1of1ForFork0_~t~0.offset 4)))))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse10 (let ((.cse11 (store (store (select (store .cse7 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse11) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base .cse11) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse4 v_ArrVal_518) .cse5 0) .cse6 v_ArrVal_521))))) (store .cse10 .cse2 (store (select .cse10 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse9))))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= (select (select (let ((.cse12 (let ((.cse13 (store (store (select (store .cse7 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse13) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base .cse13) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse4 v_ArrVal_518) .cse5 0) .cse6 v_ArrVal_521))))) (store .cse12 .cse2 (store (select .cse12 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse8) |c_threadThread1of1ForFork0_#t~nondet4|)))) (forall ((|v_ULTIMATE.start_main_#t~mem13#1.offset_14| Int)) (or (< .cse0 |v_ULTIMATE.start_main_#t~mem13#1.offset_14|) (forall ((v_ArrVal_521 Int) (v_ArrVal_515 (Array Int Int)) (v_ArrVal_518 Int)) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (let ((.cse14 (let ((.cse15 (store (store (select (store .cse7 |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base) .cse8 |c_threadThread1of1ForFork0_#t~nondet4|) .cse9 |c_threadThread1of1ForFork0_#t~nondet4|))) (store (store |c_#race| c_threadThread1of1ForFork0_~t~0.base .cse15) |c_ULTIMATE.start_main_~ts~0#1.base| (store (store (store (select (store (store |c_#race| |c_ULTIMATE.start_main_~ts~0#1.base| v_ArrVal_515) c_threadThread1of1ForFork0_~t~0.base .cse15) |c_ULTIMATE.start_main_~ts~0#1.base|) .cse4 v_ArrVal_518) .cse5 0) .cse6 v_ArrVal_521))))) (store .cse14 .cse2 (store (select .cse14 .cse2) |v_ULTIMATE.start_main_#t~mem13#1.offset_14| 0))) c_threadThread1of1ForFork0_~t~0.base) .cse16)))))))) is different from false [2023-11-22 08:57:04,911 INFO L349 Elim1Store]: treesize reduction 28, result has 63.2 percent of original size [2023-11-22 08:57:04,912 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 2094 treesize of output 1664 [2023-11-22 08:57:04,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 08:57:04,952 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 766 treesize of output 682 [2023-11-22 08:57:04,991 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 46396 treesize of output 45816 [2023-11-22 08:57:05,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:57:05,639 INFO L349 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2023-11-22 08:57:05,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 228 treesize of output 1 [2023-11-22 08:57:05,646 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:57:05,657 INFO L349 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2023-11-22 08:57:05,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 228 treesize of output 1 [2023-11-22 08:57:05,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 08:57:05,676 INFO L349 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2023-11-22 08:57:05,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 340 treesize of output 1 [2023-11-22 08:57:06,517 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 37 treesize of output 35 [2023-11-22 08:57:06,521 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 42 treesize of output 40 [2023-11-22 08:57:06,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2023-11-22 08:57:06,538 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 15 treesize of output 13 [2023-11-22 08:57:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-22 08:57:06,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238254749] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 08:57:06,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 08:57:06,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 21] total 52 [2023-11-22 08:57:06,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540213874] [2023-11-22 08:57:06,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 08:57:06,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-11-22 08:57:06,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:57:06,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-11-22 08:57:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=2142, Unknown=4, NotChecked=388, Total=2756 [2023-11-22 08:57:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:57:06,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:57:06,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.8846153846153846) internal successors, (150), 53 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-22 08:57:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:57:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:57:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-11-22 08:57:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-22 08:57:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-22 08:57:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.