./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 559b036c Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.3-?-559b036-m [2023-11-23 04:01:47,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 04:01:47,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-23 04:01:47,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 04:01:47,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 04:01:47,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 04:01:47,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 04:01:47,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 04:01:47,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 04:01:47,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 04:01:47,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 04:01:47,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 04:01:47,119 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 04:01:47,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 04:01:47,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 04:01:47,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 04:01:47,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 04:01:47,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 04:01:47,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 04:01:47,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 04:01:47,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 04:01:47,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 04:01:47,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 04:01:47,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 04:01:47,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 04:01:47,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 04:01:47,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 04:01:47,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 04:01:47,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 04:01:47,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 04:01:47,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 04:01:47,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 04:01:47,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 04:01:47,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 04:01:47,133 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-23 04:01:47,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 04:01:47,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 04:01:47,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-23 04:01:47,133 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 04:01:47,134 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-23 04:01:47,134 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-23 04:01:47,134 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-23 04:01:47,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 04:01:47,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 04:01:47,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 04:01:47,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 04:01:47,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 04:01:47,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 04:01:48,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 04:01:48,726 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 04:01:48,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 04:01:48,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb3e69cdf/9360f0b2d675432fa9ddef9608b796a8/FLAG37472713a [2023-11-23 04:01:49,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb3e69cdf/9360f0b2d675432fa9ddef9608b796a8 [2023-11-23 04:01:49,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 04:01:49,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 04:01:49,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 04:01:49,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 04:01:49,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 04:01:49,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ac85a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49, skipping insertion in model container [2023-11-23 04:01:49,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 04:01:49,307 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2023-11-23 04:01:49,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 04:01:49,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 04:01:49,331 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2023-11-23 04:01:49,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 04:01:49,337 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 04:01:49,337 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 04:01:49,343 INFO L206 MainTranslator]: Completed translation [2023-11-23 04:01:49,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49 WrapperNode [2023-11-23 04:01:49,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 04:01:49,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 04:01:49,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 04:01:49,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 04:01:49,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,369 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-23 04:01:49,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 04:01:49,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 04:01:49,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 04:01:49,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 04:01:49,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 04:01:49,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 04:01:49,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 04:01:49,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 04:01:49,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (1/1) ... [2023-11-23 04:01:49,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 04:01:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 04:01:49,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 04:01:49,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 04:01:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 04:01:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 04:01:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 04:01:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 04:01:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 04:01:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 04:01:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 04:01:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 04:01:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 04:01:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 04:01:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 04:01:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 04:01:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 04:01:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 04:01:49,454 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 04:01:49,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 04:01:49,530 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 04:01:49,665 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 04:01:49,808 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 04:01:49,809 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 04:01:49,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:49 BoogieIcfgContainer [2023-11-23 04:01:49,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 04:01:49,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 04:01:49,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 04:01:49,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 04:01:49,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:01:49" (1/3) ... [2023-11-23 04:01:49,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f93d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:49, skipping insertion in model container [2023-11-23 04:01:49,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:49" (2/3) ... [2023-11-23 04:01:49,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f93d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:49, skipping insertion in model container [2023-11-23 04:01:49,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:49" (3/3) ... [2023-11-23 04:01:49,816 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 04:01:49,829 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 04:01:49,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 04:01:49,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 04:01:49,838 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 04:01:49,883 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 04:01:49,919 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 04:01:49,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 04:01:49,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 04:01:49,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-23 04:01:49,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-23 04:01:49,951 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 04:01:49,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-23 04:01:49,969 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;@26dcf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 04:01:49,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 04:01:50,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 04:01:50,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 04:01:50,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1409053869, now seen corresponding path program 1 times [2023-11-23 04:01:50,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 04:01:50,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787060854] [2023-11-23 04:01:50,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 04:01:50,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 04:01:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 04:01:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:50,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 04:01:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787060854] [2023-11-23 04:01:50,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787060854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 04:01:50,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 04:01:50,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 04:01:50,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287026161] [2023-11-23 04:01:50,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 04:01:50,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 04:01:50,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 04:01:50,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 04:01:50,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 04:01:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:01:50,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 04:01:50,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-23 04:01:50,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:01:50,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:01:50,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 04:01:50,636 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 04:01:50,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 04:01:50,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1148919837, now seen corresponding path program 1 times [2023-11-23 04:01:50,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 04:01:50,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879096430] [2023-11-23 04:01:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 04:01:50,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 04:01:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 04:01:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:51,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 04:01:51,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879096430] [2023-11-23 04:01:51,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879096430] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 04:01:51,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467221963] [2023-11-23 04:01:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 04:01:51,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 04:01:51,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 04:01:51,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 04:01:51,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 04:01:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 04:01:51,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 04:01:51,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 04:01:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:51,453 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 04:01:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:51,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467221963] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 04:01:51,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 04:01:51,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 17 [2023-11-23 04:01:51,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396632621] [2023-11-23 04:01:51,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 04:01:51,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 04:01:51,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 04:01:51,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 04:01:51,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-11-23 04:01:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:01:51,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 04:01:51,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 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) [2023-11-23 04:01:51,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:01:51,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:01:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:01:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 04:01:52,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 04:01:52,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 04:01:52,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 04:01:52,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 04:01:52,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1359034909, now seen corresponding path program 2 times [2023-11-23 04:01:52,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 04:01:52,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843176006] [2023-11-23 04:01:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 04:01:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 04:01:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 04:01:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:53,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 04:01:53,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843176006] [2023-11-23 04:01:53,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843176006] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 04:01:53,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794710356] [2023-11-23 04:01:53,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 04:01:53,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 04:01:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 04:01:53,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 04:01:53,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 04:01:53,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 04:01:53,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 04:01:53,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 04:01:53,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 04:01:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:53,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 04:01:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:01:54,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794710356] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 04:01:54,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 04:01:54,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 37 [2023-11-23 04:01:54,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806573694] [2023-11-23 04:01:54,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 04:01:54,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-23 04:01:54,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 04:01:54,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-23 04:01:54,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2023-11-23 04:01:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:01:54,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 04:01:54,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 37 states have internal predecessors, (81), 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) [2023-11-23 04:01:54,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:01:54,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 04:01:54,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:02:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:02:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 04:02:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-23 04:02:01,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 04:02:02,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 04:02:02,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 04:02:02,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 04:02:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash -526947601, now seen corresponding path program 3 times [2023-11-23 04:02:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 04:02:02,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276563645] [2023-11-23 04:02:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 04:02:02,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 04:02:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 04:02:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 04:02:03,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 04:02:03,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276563645] [2023-11-23 04:02:03,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276563645] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 04:02:03,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432208333] [2023-11-23 04:02:03,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 04:02:03,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 04:02:03,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 04:02:03,212 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 04:02:03,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 04:02:03,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-23 04:02:03,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 04:02:03,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 04:02:03,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 04:02:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:02:28,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 04:02:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:02:32,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432208333] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 04:02:32,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 04:02:32,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 22, 22] total 50 [2023-11-23 04:02:32,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304070700] [2023-11-23 04:02:32,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 04:02:32,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-23 04:02:32,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 04:02:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-23 04:02:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=655, Invalid=1889, Unknown=6, NotChecked=0, Total=2550 [2023-11-23 04:02:32,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:02:32,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 04:02:32,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.019607843137255) internal successors, (103), 50 states have internal predecessors, (103), 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) [2023-11-23 04:02:32,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:02:32,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 04:02:32,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-11-23 04:02:32,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:02:41,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:02:43,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:02:45,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:02:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:02:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 04:02:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 04:02:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-23 04:02:56,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 04:02:56,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 04:02:56,805 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 04:02:56,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 04:02:56,805 INFO L85 PathProgramCache]: Analyzing trace with hash 505085821, now seen corresponding path program 4 times [2023-11-23 04:02:56,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 04:02:56,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183462814] [2023-11-23 04:02:56,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 04:02:56,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 04:02:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 04:03:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 1 proven. 169 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:03:57,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 04:03:57,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183462814] [2023-11-23 04:03:57,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183462814] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 04:03:57,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023184400] [2023-11-23 04:03:57,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 04:03:57,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 04:03:57,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 04:03:57,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 04:03:57,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 04:03:57,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 04:03:57,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 04:03:57,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-23 04:03:57,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 04:04:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:04:03,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 04:05:12,778 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 44 DAG size of output: 15 (called from [L 183] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne) [2023-11-23 04:06:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 04:06:22,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023184400] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 04:06:22,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 04:06:22,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 35, 38] total 88 [2023-11-23 04:06:22,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116318171] [2023-11-23 04:06:22,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 04:06:22,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2023-11-23 04:06:22,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 04:06:22,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2023-11-23 04:06:22,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2043, Invalid=5599, Unknown=14, NotChecked=0, Total=7656 [2023-11-23 04:06:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:06:22,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 04:06:22,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 1.8409090909090908) internal successors, (162), 88 states have internal predecessors, (162), 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) [2023-11-23 04:06:22,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 04:06:22,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 04:06:22,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 04:06:22,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-11-23 04:06:22,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 04:06:57,871 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse69 (+ 2 c_thread2Thread1of1ForFork1_~i~1)) (.cse59 (* (- 1) c_~C~0))) (let ((.cse68 (+ c_thread2Thread1of1ForFork1_~i~1 1)) (.cse49 (* c_~C~0 4294967295)) (.cse56 (* (div (+ c_~counter~0 .cse59) 4294967296) 4294967296)) (.cse16 (mod (+ 7 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse53 (mod .cse69 4294967296))) (let ((.cse47 (* c_~C~0 2)) (.cse29 (mod c_thread1Thread1of1ForFork0_~i~0 4294967296)) (.cse8 (not (= .cse53 0))) (.cse35 (< .cse16 6)) (.cse10 (+ 7 c_thread2Thread1of1ForFork1_~i~1)) (.cse12 (* (div (+ c_thread2Thread1of1ForFork1_~i~1 (- 4294967288)) 4294967296) 4294967296)) (.cse57 (+ c_~C~0 .cse56 4294967296)) (.cse48 (+ (* 2 (mod c_~C~0 2147483648)) c_~counter~0)) (.cse58 (+ c_~counter~0 (mod .cse49 4294967296))) (.cse52 (* (div c_~counter~0 4294967296) 4294967296)) (.cse55 (* (div .cse59 4294967296) 4294967296)) (.cse63 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse66 (mod (+ 2 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse36 (* (div (+ (- 4294967289) c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)) (.cse62 (* (div (+ (- 4294967290) c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)) (.cse60 (* (div (+ (- 4294967291) c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)) (.cse13 (mod (+ 5 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse61 (mod (+ c_thread1Thread1of1ForFork0_~i~0 4) 4294967296)) (.cse7 (mod (+ 6 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse64 (* (div .cse68 4294967296) 4294967296)) (.cse67 (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296)) (.cse65 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse30 (mod c_~M~0 4294967296))) (let ((.cse0 (< .cse65 .cse30)) (.cse27 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 (* 4294967296 (div (+ c_thread2Thread1of1ForFork1_~i~1 (- 4294967295)) 4294967296)) 4294967295))) (.cse28 (< c_~counter~0 (+ c_~C~0 .cse56 1))) (.cse15 (* (div (+ (- 4294967287) c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)) (.cse18 (not (= .cse67 0))) (.cse19 (* 4294967296 (div .cse69 4294967296))) (.cse20 (+ c_thread2Thread1of1ForFork1_~i~1 8)) (.cse9 (+ .cse7 .cse64)) (.cse33 (< .cse30 (+ .cse61 1))) (.cse34 (< .cse13 .cse30)) (.cse24 (< .cse30 (+ (mod (+ c_thread2Thread1of1ForFork1_~i~1 4) 4294967296) 1))) (.cse25 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 4294967291 .cse60))) (.cse37 (< .cse7 .cse30)) (.cse38 (and (<= (+ .cse30 .cse64) (+ c_thread2Thread1of1ForFork1_~i~1 6)) (<= (+ 4294967295 .cse62) c_thread2Thread1of1ForFork1_~i~1))) (.cse39 (< .cse30 (+ .cse13 1))) (.cse40 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 .cse36 4294967289))) (.cse1 (< .cse30 (+ (mod .cse68 4294967296) 1))) (.cse3 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 4294967294 (* (div (+ c_thread2Thread1of1ForFork1_~i~1 (- 4294967294)) 4294967296) 4294967296)))) (.cse5 (< (+ 4294967295 (* (div (+ (- 1) c_~counter~0) 4294967296) 4294967296)) c_~counter~0)) (.cse2 (< (mod (+ c_~C~0 c_~counter~0) 4294967296) 1)) (.cse44 (< .cse66 .cse30)) (.cse45 (< .cse30 (+ .cse67 1))) (.cse41 (< .cse30 (+ .cse66 1))) (.cse46 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 4294967292 (* (div (+ (- 4294967292) c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)))) (.cse23 (< .cse30 (+ .cse65 1))) (.cse42 (< .cse63 .cse30)) (.cse4 (and (<= (+ .cse52 4294967296) .cse58) (<= c_~counter~0 (+ c_~C~0 .cse52 .cse55 4294967296)))) (.cse54 (= .cse57 .cse48)) (.cse6 (= (+ c_~C~0 .cse56) c_~counter~0)) (.cse50 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse7 .cse12 4294967289))) (.cse51 (and (or .cse8 .cse35) (<= (+ .cse64 .cse16) .cse10))) (.cse21 (< .cse30 (+ .cse63 1))) (.cse31 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 4294967290 .cse62))) (.cse22 (< .cse61 .cse30)) (.cse32 (< (+ .cse30 4294967290 .cse60) c_thread2Thread1of1ForFork1_~i~1)) (.cse11 (< (mod c_~counter~0 4294967296) 1)) (.cse26 (< (+ c_~C~0 4294967295 (* (div (+ (- 1) c_~counter~0 .cse59) 4294967296) 4294967296)) c_~counter~0)) (.cse43 (< .cse30 (+ .cse29 1))) (.cse14 (and (<= c_~counter~0 (+ .cse47 .cse55 .cse56 4294967296)) (<= .cse57 .cse58)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and (or (< .cse7 6) .cse8) (<= .cse9 .cse10)) .cse11 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse12 .cse13 4294967289)) .cse14) (or .cse6 (< c_thread2Thread1of1ForFork1_~i~1 (+ 4294967288 .cse15 .cse16)) .cse11 (let ((.cse17 (mod (+ 8 c_thread1Thread1of1ForFork0_~i~0) 4294967296))) (and (or (< .cse17 6) .cse18) (<= (+ .cse19 .cse17) .cse20))) .cse14) (or .cse21 .cse22 .cse23 .cse11 .cse24 .cse25 .cse26 .cse14) (or .cse0 .cse1 .cse11 .cse3 .cse26 .cse14) (or .cse11 .cse27 .cse28 (< .cse29 .cse30)) (or .cse31 .cse32 .cse23 .cse11 .cse26 .cse33 .cse34 .cse14) (or .cse0 (< .cse30 (+ (mod c_thread2Thread1of1ForFork1_~i~1 4294967296) 1)) .cse11 .cse27 .cse28) (or .cse31 .cse32 .cse23 .cse2 .cse33 .cse4 .cse5 .cse34) (or .cse6 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse7 4294967288 .cse15)) .cse11 .cse14 (and (or .cse18 .cse35) (<= (+ .cse19 .cse16) .cse20))) (or (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse36 4294967290 .cse13)) (< .cse9 .cse10) .cse2 .cse4 .cse5) (or .cse37 .cse38 .cse39 .cse23 .cse11 .cse40 .cse26 .cse14) (or .cse41 .cse11 .cse24 .cse25 .cse26 .cse42 .cse43 .cse14) (or .cse38 .cse11 .cse40 .cse26 .cse33 .cse43 .cse34 .cse14) (or .cse21 .cse22 .cse23 .cse2 .cse24 .cse25 .cse4 .cse5) (or .cse37 .cse38 .cse39 .cse23 .cse2 .cse40 .cse4 .cse5) (or .cse1 .cse23 .cse2 .cse44 .cse3 .cse4 .cse5) (or .cse45 .cse46 .cse23 .cse44 (= (+ .cse47 4294967296 (* (div (+ (* (- 2) c_~C~0) c_~counter~0) 4294967296) 4294967296)) .cse48) (< (mod (+ c_~counter~0 .cse49) 4294967296) 1) .cse43 .cse14) (or .cse50 .cse51 .cse2 .cse4 (= c_~counter~0 .cse52)) (or (< .cse30 (+ .cse53 1)) .cse23 .cse44 .cse11 .cse4 .cse54 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse30 (* 4294967296 (div (+ c_thread2Thread1of1ForFork1_~i~1 (- 4294967293)) 4294967296)) 4294967293))) (or .cse45 .cse41 .cse46 .cse23 .cse11 .cse42 .cse4 .cse54) (or .cse6 .cse50 .cse51 .cse11 .cse14) (or .cse21 .cse31 .cse22 .cse32 .cse11 .cse26 .cse43 .cse14)))))) is different from false [2023-11-23 04:08:09,616 WARN L293 SmtUtils]: Spent 48.32s on a formula simplification. DAG size of input: 212 DAG size of output: 180 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-23 04:09:31,658 WARN L293 SmtUtils]: Spent 59.12s on a formula simplification. DAG size of input: 220 DAG size of output: 165 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-23 04:09:33,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:09:35,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:09:36,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:09:38,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:11:03,188 WARN L293 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 214 DAG size of output: 193 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-23 04:11:10,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 04:11:14,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15