/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 22:38:29,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 22:38:29,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 22:38:29,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 22:38:29,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 22:38:29,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 22:38:29,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 22:38:29,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 22:38:29,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 22:38:29,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 22:38:29,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 22:38:29,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 22:38:29,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 22:38:29,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 22:38:29,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 22:38:29,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 22:38:29,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 22:38:29,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 22:38:29,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 22:38:29,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 22:38:29,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 22:38:29,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 22:38:29,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 22:38:29,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 22:38:29,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 22:38:29,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 22:38:29,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 22:38:29,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 22:38:29,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 22:38:29,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 22:38:29,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 22:38:29,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 22:38:29,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 22:38:29,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 22:38:29,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 22:38:29,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 22:38:29,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 22:38:29,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 22:38:29,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 22:38:29,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 22:38:29,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 22:38:29,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-13 22:38:29,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 22:38:29,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 22:38:29,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 22:38:29,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 22:38:29,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 22:38:29,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 22:38:29,473 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 22:38:29,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 22:38:29,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 22:38:29,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 22:38:29,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 22:38:29,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 22:38:29,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 22:38:29,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 22:38:29,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 22:38:29,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 22:38:29,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 22:38:29,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 22:38:29,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 22:38:29,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 22:38:29,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 22:38:29,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-13 22:38:29,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 22:38:29,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 22:38:29,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 22:38:29,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 22:38:29,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 22:38:29,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 22:38:29,479 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-13 22:38:29,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 22:38:29,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-13 22:38:29,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-13 22:38:29,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 22:38:29,480 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-13 22:38:29,480 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-13 22:38:29,481 INFO L138 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-2/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 22:38:29,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 22:38:29,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 22:38:29,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 22:38:29,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 22:38:29,914 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 22:38:29,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2021-10-13 22:38:30,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7b0353e0/437198f938b140e4b4345e7565aac6fc/FLAG17b8f00d4 [2021-10-13 22:38:30,633 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 22:38:30,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2021-10-13 22:38:30,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7b0353e0/437198f938b140e4b4345e7565aac6fc/FLAG17b8f00d4 [2021-10-13 22:38:31,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7b0353e0/437198f938b140e4b4345e7565aac6fc [2021-10-13 22:38:31,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 22:38:31,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 22:38:31,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 22:38:31,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 22:38:31,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 22:38:31,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747f062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31, skipping insertion in model container [2021-10-13 22:38:31,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 22:38:31,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 22:38:31,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c[2161,2174] [2021-10-13 22:38:31,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 22:38:31,351 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 22:38:31,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c[2161,2174] [2021-10-13 22:38:31,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 22:38:31,394 INFO L208 MainTranslator]: Completed translation [2021-10-13 22:38:31,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31 WrapperNode [2021-10-13 22:38:31,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 22:38:31,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 22:38:31,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 22:38:31,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 22:38:31,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 22:38:31,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 22:38:31,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 22:38:31,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 22:38:31,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 22:38:31,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 22:38:31,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 22:38:31,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 22:38:31,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (1/1) ... [2021-10-13 22:38:31,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 22:38:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:38:31,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 22:38:31,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 22:38:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 22:38:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 22:38:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 22:38:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 22:38:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 22:38:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 22:38:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 22:38:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 22:38:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 22:38:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 22:38:31,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 22:38:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 22:38:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 22:38:31,602 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 22:38:32,157 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 22:38:32,158 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 22:38:32,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:38:32 BoogieIcfgContainer [2021-10-13 22:38:32,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 22:38:32,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 22:38:32,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 22:38:32,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 22:38:32,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:38:31" (1/3) ... [2021-10-13 22:38:32,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ea6020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:38:32, skipping insertion in model container [2021-10-13 22:38:32,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:38:31" (2/3) ... [2021-10-13 22:38:32,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ea6020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:38:32, skipping insertion in model container [2021-10-13 22:38:32,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:38:32" (3/3) ... [2021-10-13 22:38:32,176 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2021-10-13 22:38:32,185 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 22:38:32,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 22:38:32,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 22:38:32,185 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 22:38:32,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,239 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:38:32,249 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-13 22:38:32,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-13 22:38:32,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:38:32,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-13 22:38:32,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-13 22:38:32,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-13 22:38:32,383 INFO L339 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, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 22:38:32,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 22:38:32,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-13 22:38:32,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:38:32,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1959441826, now seen corresponding path program 1 times [2021-10-13 22:38:32,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:38:32,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051827607] [2021-10-13 22:38:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:32,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:38:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:38:32,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:38:32,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051827607] [2021-10-13 22:38:32,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051827607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:38:32,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:38:32,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 22:38:32,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079079928] [2021-10-13 22:38:32,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 22:38:32,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:38:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 22:38:32,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 22:38:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:32,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:38:32,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2021-10-13 22:38:32,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:32,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 22:38:32,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-13 22:38:32,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:38:32,951 INFO L82 PathProgramCache]: Analyzing trace with hash 490049664, now seen corresponding path program 1 times [2021-10-13 22:38:32,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:38:32,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846008459] [2021-10-13 22:38:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:32,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:38:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:38:33,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:38:33,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846008459] [2021-10-13 22:38:33,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846008459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:38:33,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:38:33,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 22:38:33,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307400885] [2021-10-13 22:38:33,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 22:38:33,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:38:33,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 22:38:33,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 22:38:33,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:33,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:38:33,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-10-13 22:38:33,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:33,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:38:33,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 22:38:33,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-13 22:38:33,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:38:33,464 INFO L82 PathProgramCache]: Analyzing trace with hash -860436565, now seen corresponding path program 1 times [2021-10-13 22:38:33,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:38:33,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094281140] [2021-10-13 22:38:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:33,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:38:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:38:33,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:38:33,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094281140] [2021-10-13 22:38:33,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094281140] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 22:38:33,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563348302] [2021-10-13 22:38:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:33,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 22:38:33,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:38:33,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 22:38:33,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 22:38:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:33,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 22:38:33,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 22:38:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 22:38:34,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563348302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:38:34,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 22:38:34,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2021-10-13 22:38:34,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764404625] [2021-10-13 22:38:34,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 22:38:34,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:38:34,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 22:38:34,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 22:38:34,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:34,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:38:34,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:38:34,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:34,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:38:34,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:38:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 22:38:34,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-13 22:38:34,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 22:38:34,594 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-13 22:38:34,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:38:34,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1439606159, now seen corresponding path program 1 times [2021-10-13 22:38:34,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:38:34,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518401059] [2021-10-13 22:38:34,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:34,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:38:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 22:38:34,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:38:34,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518401059] [2021-10-13 22:38:34,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518401059] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 22:38:34,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991569528] [2021-10-13 22:38:34,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:34,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 22:38:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:38:34,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 22:38:34,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 22:38:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:34,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 22:38:34,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 22:38:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 22:38:35,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991569528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:38:35,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 22:38:35,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2021-10-13 22:38:35,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212197093] [2021-10-13 22:38:35,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 22:38:35,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:38:35,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 22:38:35,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 22:38:35,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:35,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:38:35,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-10-13 22:38:35,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:35,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:38:35,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-13 22:38:35,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:38:35,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:38:35,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 22:38:35,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 22:38:35,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 22:38:35,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 22:38:35,353 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-13 22:38:35,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:38:35,354 INFO L82 PathProgramCache]: Analyzing trace with hash 523315678, now seen corresponding path program 2 times [2021-10-13 22:38:35,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:38:35,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307103314] [2021-10-13 22:38:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:38:35,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:38:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:38:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:38:36,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:38:36,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307103314] [2021-10-13 22:38:36,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307103314] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 22:38:36,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513834606] [2021-10-13 22:38:36,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 22:38:36,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 22:38:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:38:36,660 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 22:38:36,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 22:38:36,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 22:38:36,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 22:38:36,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-13 22:38:36,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 22:38:45,624 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_~S~0 (- 1)))) (let ((.cse0 (div (+ c_~m~0 .cse1 4294967293) (- 4294967296))) (.cse3 (* 2 (div (+ c_~S~0 (- 3)) 4294967296)))) (and (<= (mod (+ 4294967295 c_~T~0) 4294967296) 0) (< (+ .cse0 (div (+ (* (div (+ .cse1 4294967297) (- 4294967296)) (- 1)) (* (div (+ (- 1) c_~m~0 .cse1) (- 4294967296)) (- 1))) (- 2))) (+ (* 2 (div (+ (* c_~m~0 (- 1)) c_~S~0 1) 4294967296)) 1)) (< (let ((.cse2 (div (+ 3 .cse1) (- 4294967296)))) (+ .cse2 (div (+ (* .cse0 (- 1)) (* .cse2 (- 1))) (- 2)))) (+ 2 .cse3)) (< (* 2 .cse0) (+ .cse3 1))))) is different from false [2021-10-13 22:39:13,006 WARN L207 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 4753 DAG size of output: 4488 [2021-10-13 22:41:57,378 WARN L207 SmtUtils]: Spent 11.90 s on a formula simplification. DAG size of input: 42 DAG size of output: 1 [2021-10-13 22:42:10,472 WARN L207 SmtUtils]: Spent 13.09 s on a formula simplification. DAG size of input: 38 DAG size of output: 1 [2021-10-13 22:42:22,645 WARN L207 SmtUtils]: Spent 12.17 s on a formula simplification. DAG size of input: 28 DAG size of output: 1 [2021-10-13 22:42:34,851 WARN L207 SmtUtils]: Spent 12.20 s on a formula simplification. DAG size of input: 31 DAG size of output: 1 [2021-10-13 22:42:47,476 WARN L207 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 34 DAG size of output: 1 [2021-10-13 22:42:59,288 WARN L207 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 40 DAG size of output: 1 [2021-10-13 22:43:12,035 WARN L207 SmtUtils]: Spent 12.74 s on a formula simplification. DAG size of input: 36 DAG size of output: 1 [2021-10-13 22:43:23,963 WARN L207 SmtUtils]: Spent 11.92 s on a formula simplification. DAG size of input: 27 DAG size of output: 1 Received shutdown request... [2021-10-13 22:43:28,019 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 22:43:28,020 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 22:43:28,020 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 22:43:29,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 22:43:29,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 22:43:29,221 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 22:43:29,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2021-10-13 22:43:29,233 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 22:43:29,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 22:43:29,235 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2021-10-13 22:43:29,237 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 22:43:29,237 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 22:43:29,260 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 22:43:29,260 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 22:43:29,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:43:29 BasicIcfg [2021-10-13 22:43:29,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 22:43:29,263 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-13 22:43:29,269 INFO L168 Benchmark]: Toolchain (without parser) took 298237.48 ms. Allocated memory was 163.6 MB in the beginning and 237.0 MB in the end (delta: 73.4 MB). Free memory was 138.4 MB in the beginning and 197.8 MB in the end (delta: -59.3 MB). Peak memory consumption was 149.8 MB. Max. memory is 8.0 GB. [2021-10-13 22:43:29,270 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 163.6 MB. Free memory was 134.4 MB in the beginning and 134.3 MB in the end (delta: 102.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 22:43:29,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.44 ms. Allocated memory is still 163.6 MB. Free memory was 138.1 MB in the beginning and 127.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-13 22:43:29,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.99 ms. Allocated memory is still 163.6 MB. Free memory was 127.9 MB in the beginning and 126.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 22:43:29,271 INFO L168 Benchmark]: Boogie Preprocessor took 30.47 ms. Allocated memory is still 163.6 MB. Free memory was 126.4 MB in the beginning and 125.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 22:43:29,278 INFO L168 Benchmark]: RCFGBuilder took 697.48 ms. Allocated memory is still 163.6 MB. Free memory was 125.1 MB in the beginning and 145.3 MB in the end (delta: -20.2 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2021-10-13 22:43:29,278 INFO L168 Benchmark]: TraceAbstraction took 297096.98 ms. Allocated memory was 163.6 MB in the beginning and 237.0 MB in the end (delta: 73.4 MB). Free memory was 144.8 MB in the beginning and 197.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 155.6 MB. Max. memory is 8.0 GB. [2021-10-13 22:43:29,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 163.6 MB. Free memory was 134.4 MB in the beginning and 134.3 MB in the end (delta: 102.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 357.44 ms. Allocated memory is still 163.6 MB. Free memory was 138.1 MB in the beginning and 127.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.99 ms. Allocated memory is still 163.6 MB. Free memory was 127.9 MB in the beginning and 126.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.47 ms. Allocated memory is still 163.6 MB. Free memory was 126.4 MB in the beginning and 125.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 697.48 ms. Allocated memory is still 163.6 MB. Free memory was 125.1 MB in the beginning and 145.3 MB in the end (delta: -20.2 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 297096.98 ms. Allocated memory was 163.6 MB in the beginning and 237.0 MB in the end (delta: 73.4 MB). Free memory was 144.8 MB in the beginning and 197.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 155.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 910, positive: 757, positive conditional: 265, positive unconditional: 492, negative: 153, negative conditional: 145, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 774, positive: 757, positive conditional: 265, positive unconditional: 492, negative: 17, negative conditional: 9, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 774, positive: 757, positive conditional: 265, positive unconditional: 492, negative: 17, negative conditional: 9, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 783, positive: 757, positive conditional: 186, positive unconditional: 571, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 783, positive: 757, positive conditional: 108, positive unconditional: 649, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 783, positive: 757, positive conditional: 108, positive unconditional: 649, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 430, positive: 419, positive conditional: 3, positive unconditional: 416, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 430, positive: 412, positive conditional: 0, positive unconditional: 412, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 70, negative conditional: 3, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 783, positive: 338, positive conditional: 105, positive unconditional: 233, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 430, unknown conditional: 4, unknown unconditional: 426] , Statistics on independence cache: Total cache size (in pairs): 430, Positive cache size: 419, Positive conditional cache size: 3, Positive unconditional cache size: 416, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Eliminated conditions: 86, Maximal queried relation: 1, Independence queries for same thread: 136 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 118, Number of persistent set computation: 95, Number of trivial persistent sets: 63, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 500, positive: 492, positive conditional: 0, positive unconditional: 492, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 910, positive: 757, positive conditional: 265, positive unconditional: 492, negative: 153, negative conditional: 145, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 774, positive: 757, positive conditional: 265, positive unconditional: 492, negative: 17, negative conditional: 9, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 774, positive: 757, positive conditional: 265, positive unconditional: 492, negative: 17, negative conditional: 9, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 783, positive: 757, positive conditional: 186, positive unconditional: 571, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 783, positive: 757, positive conditional: 108, positive unconditional: 649, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 783, positive: 757, positive conditional: 108, positive unconditional: 649, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 430, positive: 419, positive conditional: 3, positive unconditional: 416, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 430, positive: 412, positive conditional: 0, positive unconditional: 412, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 18, positive conditional: 8, positive unconditional: 10, negative: 70, negative conditional: 3, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 783, positive: 338, positive conditional: 105, positive unconditional: 233, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 430, unknown conditional: 4, unknown unconditional: 426] , Statistics on independence cache: Total cache size (in pairs): 430, Positive cache size: 419, Positive conditional cache size: 3, Positive unconditional cache size: 416, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Eliminated conditions: 86, Maximal queried relation: 1, Independence queries for same thread: 136 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 86 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 296944.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.3ms, PartialOrderReductionTime: 531.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 69.6ms SsaConstructionTime, 360.7ms SatisfiabilityAnalysisTime, 1243.6ms InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 936 SizeOfPredicates, 5 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 26/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown