/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-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 22:55:36,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 22:55:36,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 22:55:36,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 22:55:36,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 22:55:36,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 22:55:36,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 22:55:36,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 22:55:36,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 22:55:36,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 22:55:36,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 22:55:36,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 22:55:36,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 22:55:36,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 22:55:36,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 22:55:36,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 22:55:36,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 22:55:36,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 22:55:36,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 22:55:36,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 22:55:36,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 22:55:36,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 22:55:36,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 22:55:36,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 22:55:36,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 22:55:36,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 22:55:36,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 22:55:36,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 22:55:36,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 22:55:36,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 22:55:36,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 22:55:36,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 22:55:36,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 22:55:36,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 22:55:36,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 22:55:36,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 22:55:36,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 22:55:36,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 22:55:36,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 22:55:36,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 22:55:36,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 22:55:36,412 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 22:55:36,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 22:55:36,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 22:55:36,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 22:55:36,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 22:55:36,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 22:55:36,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 22:55:36,463 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 22:55:36,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 22:55:36,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 22:55:36,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 22:55:36,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 22:55:36,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 22:55:36,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 22:55:36,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 22:55:36,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 22:55:36,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 22:55:36,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 22:55:36,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 22:55:36,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 22:55:36,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 22:55:36,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 22:55:36,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-13 22:55:36,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 22:55:36,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 22:55:36,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 22:55:36,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 22:55:36,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 22:55:36,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 22:55:36,469 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-13 22:55:36,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 22:55:36,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-13 22:55:36,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-13 22:55:36,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 22:55:36,470 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-13 22:55:36,470 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-13 22:55:36,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 22:55:36,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 22:55:36,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 22:55:36,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 22:55:36,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 22:55:36,915 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 22:55:36,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2021-10-13 22:55:37,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df2278cb4/6a27624932e04b41a9b870093a810cc7/FLAGa88c81ad4 [2021-10-13 22:55:37,694 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 22:55:37,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2021-10-13 22:55:37,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df2278cb4/6a27624932e04b41a9b870093a810cc7/FLAGa88c81ad4 [2021-10-13 22:55:38,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df2278cb4/6a27624932e04b41a9b870093a810cc7 [2021-10-13 22:55:38,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 22:55:38,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 22:55:38,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 22:55:38,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 22:55:38,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 22:55:38,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db20947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38, skipping insertion in model container [2021-10-13 22:55:38,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 22:55:38,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 22:55:38,397 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-threaded-sum-3.wvr.c[2465,2478] [2021-10-13 22:55:38,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 22:55:38,427 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 22:55:38,485 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-threaded-sum-3.wvr.c[2465,2478] [2021-10-13 22:55:38,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 22:55:38,503 INFO L208 MainTranslator]: Completed translation [2021-10-13 22:55:38,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38 WrapperNode [2021-10-13 22:55:38,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 22:55:38,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 22:55:38,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 22:55:38,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 22:55:38,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 22:55:38,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 22:55:38,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 22:55:38,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 22:55:38,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 22:55:38,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 22:55:38,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 22:55:38,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 22:55:38,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (1/1) ... [2021-10-13 22:55:38,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 22:55:38,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:55:38,621 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 22:55:38,646 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 22:55:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 22:55:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 22:55:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 22:55:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 22:55:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 22:55:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 22:55:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 22:55:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 22:55:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 22:55:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 22:55:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 22:55:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 22:55:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 22:55:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 22:55:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 22:55:38,700 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 22:55:39,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 22:55:39,178 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 22:55:39,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:55:39 BoogieIcfgContainer [2021-10-13 22:55:39,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 22:55:39,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 22:55:39,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 22:55:39,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 22:55:39,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:55:38" (1/3) ... [2021-10-13 22:55:39,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6b0692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:55:39, skipping insertion in model container [2021-10-13 22:55:39,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:38" (2/3) ... [2021-10-13 22:55:39,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6b0692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:55:39, skipping insertion in model container [2021-10-13 22:55:39,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:55:39" (3/3) ... [2021-10-13 22:55:39,191 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2021-10-13 22:55:39,226 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 22:55:39,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 22:55:39,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 22:55:39,227 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 22:55:39,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,266 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,267 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,267 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,267 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,267 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,268 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,268 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,268 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,271 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,274 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,275 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,275 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:55:39,285 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-13 22:55:39,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-13 22:55:39,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:55:39,341 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 22:55:39,361 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 22:55:39,393 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-13 22:55:39,401 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 22:55:39,401 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 22:55:39,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-13 22:55:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:55:39,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1787539247, now seen corresponding path program 1 times [2021-10-13 22:55:39,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:55:39,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989736088] [2021-10-13 22:55:39,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:55:39,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:55:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:55:39,805 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 22:55:39,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:55:39,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989736088] [2021-10-13 22:55:39,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989736088] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:55:39,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:55:39,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 22:55:39,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968055156] [2021-10-13 22:55:39,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 22:55:39,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:55:39,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 22:55:39,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 22:55:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:39,849 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:55:39,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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 22:55:39,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:39,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 22:55:39,900 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-13 22:55:39,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:55:39,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1746516034, now seen corresponding path program 1 times [2021-10-13 22:55:39,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:55:39,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540464946] [2021-10-13 22:55:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:55:39,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:55:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:55:40,675 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 22:55:40,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:55:40,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540464946] [2021-10-13 22:55:40,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540464946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:55:40,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:55:40,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 22:55:40,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099158648] [2021-10-13 22:55:40,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 22:55:40,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:55:40,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 22:55:40,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-13 22:55:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:40,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:55:40,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 22:55:40,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:40,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:55:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:55:41,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 22:55:41,040 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-13 22:55:41,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:55:41,041 INFO L82 PathProgramCache]: Analyzing trace with hash 573366250, now seen corresponding path program 1 times [2021-10-13 22:55:41,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:55:41,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108057164] [2021-10-13 22:55:41,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:55:41,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:55:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:56:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 22:56:35,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:56:35,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108057164] [2021-10-13 22:56:35,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108057164] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 22:56:35,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050655456] [2021-10-13 22:56:35,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:56:35,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 22:56:35,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:56:35,394 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 22:56:35,395 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 22:56:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:56:35,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 22:56:35,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 22:57:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 32 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:57:03,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050655456] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 22:57:03,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 22:57:03,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21] total 31 [2021-10-13 22:57:03,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276049367] [2021-10-13 22:57:03,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-13 22:57:03,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:57:03,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-13 22:57:03,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=782, Unknown=1, NotChecked=0, Total=930 [2021-10-13 22:57:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:57:03,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-13 22:57:03,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.032258064516129) internal successors, (156), 31 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:57:03,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:57:03,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:57:03,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:57:14,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 22:57:14,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:57:14,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-13 22:57:14,815 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 22:57:14,989 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 22:57:14,990 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-13 22:57:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:57:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1440649436, now seen corresponding path program 2 times [2021-10-13 22:57:14,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:57:14,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438620777] [2021-10-13 22:57:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:57:14,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:57:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-13 23:00:37,916 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 23:00:37,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 23:00:37,917 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 106 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-3-23-2-21-3-21-3-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-20-2-20-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-17-2-15-2-15-2-15-2-15-2-15-2-14-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-1 context. [2021-10-13 23:00:37,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 23:00:37,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 23:00:37,920 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 23:00:37,932 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 23:00:37,933 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 23:00:37,935 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 23:00:37,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 23:00:37,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:00:37 BasicIcfg [2021-10-13 23:00:37,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 23:00:37,938 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-13 23:00:37,940 INFO L168 Benchmark]: Toolchain (without parser) took 299906.04 ms. Allocated memory was 164.6 MB in the beginning and 1.0 GB in the end (delta: 882.9 MB). Free memory was 140.1 MB in the beginning and 652.9 MB in the end (delta: -512.8 MB). Peak memory consumption was 664.4 MB. Max. memory is 8.0 GB. [2021-10-13 23:00:37,941 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 164.6 MB. Free memory is still 134.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 23:00:37,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.37 ms. Allocated memory is still 164.6 MB. Free memory was 139.9 MB in the beginning and 128.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-13 23:00:37,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.78 ms. Allocated memory is still 164.6 MB. Free memory was 128.8 MB in the beginning and 127.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 23:00:37,943 INFO L168 Benchmark]: Boogie Preprocessor took 29.87 ms. Allocated memory is still 164.6 MB. Free memory was 127.1 MB in the beginning and 125.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 23:00:37,944 INFO L168 Benchmark]: RCFGBuilder took 603.03 ms. Allocated memory is still 164.6 MB. Free memory was 125.8 MB in the beginning and 110.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-13 23:00:37,945 INFO L168 Benchmark]: TraceAbstraction took 298755.30 ms. Allocated memory was 164.6 MB in the beginning and 1.0 GB in the end (delta: 882.9 MB). Free memory was 109.5 MB in the beginning and 652.9 MB in the end (delta: -543.4 MB). Peak memory consumption was 634.0 MB. Max. memory is 8.0 GB. [2021-10-13 23:00:37,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 164.6 MB. Free memory is still 134.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 464.37 ms. Allocated memory is still 164.6 MB. Free memory was 139.9 MB in the beginning and 128.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.78 ms. Allocated memory is still 164.6 MB. Free memory was 128.8 MB in the beginning and 127.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.87 ms. Allocated memory is still 164.6 MB. Free memory was 127.1 MB in the beginning and 125.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 603.03 ms. Allocated memory is still 164.6 MB. Free memory was 125.8 MB in the beginning and 110.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 298755.30 ms. Allocated memory was 164.6 MB in the beginning and 1.0 GB in the end (delta: 882.9 MB). Free memory was 109.5 MB in the beginning and 652.9 MB in the end (delta: -543.4 MB). Peak memory consumption was 634.0 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: 2311, positive: 1940, positive conditional: 921, positive unconditional: 1019, negative: 371, negative conditional: 352, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1988, positive: 1940, positive conditional: 921, positive unconditional: 1019, negative: 48, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1988, positive: 1940, positive conditional: 921, positive unconditional: 1019, negative: 48, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2023, positive: 1940, positive conditional: 785, positive unconditional: 1155, negative: 83, negative conditional: 35, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2023, positive: 1940, positive conditional: 579, positive unconditional: 1361, negative: 83, negative conditional: 16, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2023, positive: 1940, positive conditional: 579, positive unconditional: 1361, negative: 83, negative conditional: 16, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 975, positive: 947, positive conditional: 22, positive unconditional: 925, negative: 28, negative conditional: 9, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 975, positive: 921, positive conditional: 0, positive unconditional: 921, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 28, negative conditional: 9, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1531, positive: 916, positive conditional: 902, positive unconditional: 14, negative: 615, negative conditional: 519, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2023, positive: 993, positive conditional: 557, positive unconditional: 436, negative: 55, negative conditional: 7, negative unconditional: 48, unknown: 975, unknown conditional: 31, unknown unconditional: 944] , Statistics on independence cache: Total cache size (in pairs): 975, Positive cache size: 947, Positive conditional cache size: 22, Positive unconditional cache size: 925, Negative cache size: 28, Negative conditional cache size: 9, Negative unconditional cache size: 19, Eliminated conditions: 225, Maximal queried relation: 2, Independence queries for same thread: 323 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 185, Number of persistent set computation: 137, Number of trivial persistent sets: 89, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1038, positive: 1019, positive conditional: 0, positive unconditional: 1019, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2311, positive: 1940, positive conditional: 921, positive unconditional: 1019, negative: 371, negative conditional: 352, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1988, positive: 1940, positive conditional: 921, positive unconditional: 1019, negative: 48, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1988, positive: 1940, positive conditional: 921, positive unconditional: 1019, negative: 48, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2023, positive: 1940, positive conditional: 785, positive unconditional: 1155, negative: 83, negative conditional: 35, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2023, positive: 1940, positive conditional: 579, positive unconditional: 1361, negative: 83, negative conditional: 16, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2023, positive: 1940, positive conditional: 579, positive unconditional: 1361, negative: 83, negative conditional: 16, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 975, positive: 947, positive conditional: 22, positive unconditional: 925, negative: 28, negative conditional: 9, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 975, positive: 921, positive conditional: 0, positive unconditional: 921, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 28, negative conditional: 9, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1531, positive: 916, positive conditional: 902, positive unconditional: 14, negative: 615, negative conditional: 519, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2023, positive: 993, positive conditional: 557, positive unconditional: 436, negative: 55, negative conditional: 7, negative unconditional: 48, unknown: 975, unknown conditional: 31, unknown unconditional: 944] , Statistics on independence cache: Total cache size (in pairs): 975, Positive cache size: 947, Positive conditional cache size: 22, Positive unconditional cache size: 925, Negative cache size: 28, Negative conditional cache size: 9, Negative unconditional cache size: 19, Eliminated conditions: 225, Maximal queried relation: 2, Independence queries for same thread: 323 - 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: 100]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 106 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-3-23-2-21-3-21-3-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-20-2-20-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-17-2-15-2-15-2-15-2-15-2-15-2-14-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-1 context. - TimeoutResultAtElement [Line: 94]: 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 106 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-3-23-2-21-3-21-3-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-20-2-20-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-17-2-15-2-15-2-15-2-15-2-15-2-14-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-1 context. - TimeoutResultAtElement [Line: 92]: 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 106 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-3-23-2-21-3-21-3-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-20-2-20-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-17-2-15-2-15-2-15-2-15-2-15-2-14-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-1 context. - TimeoutResultAtElement [Line: 93]: 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 106 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-2-3-23-2-21-3-21-3-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-20-2-20-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-19-2-17-2-15-2-15-2-15-2-15-2-15-2-14-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 113 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 298596.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.9ms, PartialOrderReductionTime: 11819.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 42.2ms SsaConstructionTime, 846.3ms SatisfiabilityAnalysisTime, 82351.7ms InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 5183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 64/180 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