/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 07:25:19,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 07:25:19,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 07:25:19,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 07:25:19,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 07:25:19,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 07:25:19,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 07:25:19,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 07:25:19,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 07:25:19,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 07:25:19,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 07:25:19,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 07:25:19,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 07:25:19,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 07:25:19,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 07:25:19,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 07:25:19,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 07:25:19,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 07:25:19,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 07:25:19,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 07:25:19,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 07:25:19,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 07:25:19,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 07:25:19,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 07:25:19,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 07:25:19,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 07:25:19,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 07:25:19,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 07:25:19,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 07:25:19,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 07:25:19,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 07:25:19,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 07:25:19,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 07:25:19,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 07:25:19,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 07:25:19,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 07:25:19,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-02-19 07:25:19,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 07:25:19,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 07:25:19,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 07:25:19,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 07:25:19,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 07:25:19,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 07:25:19,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 07:25:19,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 07:25:19,337 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 07:25:19,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 07:25:19,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 07:25:19,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 07:25:19,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 07:25:19,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 07:25:19,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 07:25:19,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 07:25:19,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:25:19,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 07:25:19,342 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 07:25:19,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 07:25:19,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 07:25:19,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 07:25:19,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 07:25:19,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 07:25:19,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 07:25:19,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 07:25:19,343 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 07:25:19,344 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 07:25:19,344 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 07:25:19,344 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 07:25:19,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 07:25:19,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 07:25:19,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 07:25:19,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 07:25:19,565 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 07:25:19,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2022-02-19 07:25:19,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c339698ac/bbfe08d76d244595998044dcca06b724/FLAGaf60dbe10 [2022-02-19 07:25:20,007 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 07:25:20,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2022-02-19 07:25:20,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c339698ac/bbfe08d76d244595998044dcca06b724/FLAGaf60dbe10 [2022-02-19 07:25:20,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c339698ac/bbfe08d76d244595998044dcca06b724 [2022-02-19 07:25:20,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 07:25:20,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 07:25:20,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 07:25:20,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 07:25:20,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 07:25:20,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b66e703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20, skipping insertion in model container [2022-02-19 07:25:20,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 07:25:20,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 07:25:20,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i[30176,30189] [2022-02-19 07:25:20,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:25:20,445 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 07:25:20,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i[30176,30189] [2022-02-19 07:25:20,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:25:20,513 INFO L208 MainTranslator]: Completed translation [2022-02-19 07:25:20,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20 WrapperNode [2022-02-19 07:25:20,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 07:25:20,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 07:25:20,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 07:25:20,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 07:25:20,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,561 INFO L137 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-02-19 07:25:20,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 07:25:20,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 07:25:20,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 07:25:20,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 07:25:20,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 07:25:20,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 07:25:20,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 07:25:20,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 07:25:20,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (1/1) ... [2022-02-19 07:25:20,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:25:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:20,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 07:25:20,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 07:25:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 07:25:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 07:25:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 07:25:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 07:25:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 07:25:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 07:25:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 07:25:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 07:25:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-02-19 07:25:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 07:25:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 07:25:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 07:25:20,643 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 07:25:20,729 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 07:25:20,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 07:25:20,927 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 07:25:20,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 07:25:20,932 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-02-19 07:25:20,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:25:20 BoogieIcfgContainer [2022-02-19 07:25:20,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 07:25:20,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 07:25:20,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 07:25:20,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 07:25:20,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 07:25:20" (1/3) ... [2022-02-19 07:25:20,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5023a5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:25:20, skipping insertion in model container [2022-02-19 07:25:20,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:25:20" (2/3) ... [2022-02-19 07:25:20,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5023a5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:25:20, skipping insertion in model container [2022-02-19 07:25:20,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:25:20" (3/3) ... [2022-02-19 07:25:20,940 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2022-02-19 07:25:20,943 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 07:25:20,943 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 07:25:20,943 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 07:25:20,944 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 07:25:20,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:20,975 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 07:25:21,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 07:25:21,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:21,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 07:25:21,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 07:25:21,025 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 07:25:21,029 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-02-19 07:25:21,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 07:25:21,064 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 44 transitions and produced 45 states. [2022-02-19 07:25:21,065 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:21,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1902334783, now seen corresponding path program 1 times [2022-02-19 07:25:21,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:21,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136084995] [2022-02-19 07:25:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:21,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:21,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:21,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:21,217 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136084995] [2022-02-19 07:25:21,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136084995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:21,217 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:21,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 07:25:21,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475708341] [2022-02-19 07:25:21,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:21,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 07:25:21,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:21,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 07:25:21,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 07:25:21,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,245 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:21,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,261 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 07:25:21,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 07:25:21,262 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:21,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:21,265 INFO L85 PathProgramCache]: Analyzing trace with hash 525085933, now seen corresponding path program 1 times [2022-02-19 07:25:21,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:21,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917002693] [2022-02-19 07:25:21,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:21,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:21,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:21,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917002693] [2022-02-19 07:25:21,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917002693] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:21,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:21,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 07:25:21,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640678149] [2022-02-19 07:25:21,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:21,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 07:25:21,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:21,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 07:25:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 07:25:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,366 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:21,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:21,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,416 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76 transitions and produced 77 states. [2022-02-19 07:25:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:21,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 07:25:21,417 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:21,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:21,418 INFO L85 PathProgramCache]: Analyzing trace with hash -636500242, now seen corresponding path program 1 times [2022-02-19 07:25:21,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:21,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828411648] [2022-02-19 07:25:21,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:21,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:21,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:21,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828411648] [2022-02-19 07:25:21,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828411648] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 07:25:21,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247963379] [2022-02-19 07:25:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 07:25:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:21,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 07:25:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 07:25:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:21,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 07:25:21,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 07:25:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:21,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 07:25:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:21,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247963379] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 07:25:21,969 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 07:25:21,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 07:25:21,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172275646] [2022-02-19 07:25:21,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 07:25:21,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 07:25:21,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:21,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 07:25:21,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 07:25:21,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:21,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:21,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:21,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:21,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,126 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-02-19 07:25:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:22,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 07:25:22,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 07:25:22,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 07:25:22,344 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:22,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash 43909355, now seen corresponding path program 1 times [2022-02-19 07:25:22,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:22,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289284320] [2022-02-19 07:25:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:22,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:25:22,383 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 07:25:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:25:22,423 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 07:25:22,424 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 07:25:22,425 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-19 07:25:22,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-19 07:25:22,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 07:25:22,435 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 07:25:22,437 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-19 07:25:22,437 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-19 07:25:22,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,465 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,465 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:22,498 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 07:25:22,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 07:25:22,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:22,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 07:25:22,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 07:25:22,533 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-02-19 07:25:22,533 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 07:25:22,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-02-19 07:25:22,544 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 44 transitions and produced 45 states. [2022-02-19 07:25:22,548 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:22,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:22,549 INFO L85 PathProgramCache]: Analyzing trace with hash -201943638, now seen corresponding path program 1 times [2022-02-19 07:25:22,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:22,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146111695] [2022-02-19 07:25:22,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:22,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:22,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146111695] [2022-02-19 07:25:22,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146111695] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:22,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:22,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 07:25:22,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030386733] [2022-02-19 07:25:22,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:22,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 07:25:22,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:22,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 07:25:22,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 07:25:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:22,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,581 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 07:25:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 07:25:22,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:22,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:22,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1243124216, now seen corresponding path program 1 times [2022-02-19 07:25:22,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:22,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303343844] [2022-02-19 07:25:22,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:22,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:22,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:22,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303343844] [2022-02-19 07:25:22,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303343844] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:22,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:22,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 07:25:22,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950803538] [2022-02-19 07:25:22,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:22,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 07:25:22,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:22,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 07:25:22,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 07:25:22,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,610 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:22,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:22,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,634 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76 transitions and produced 77 states. [2022-02-19 07:25:22,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:22,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 07:25:22,635 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1351761021, now seen corresponding path program 1 times [2022-02-19 07:25:22,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:22,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740944693] [2022-02-19 07:25:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:22,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:22,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740944693] [2022-02-19 07:25:22,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740944693] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 07:25:22,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648509199] [2022-02-19 07:25:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:22,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 07:25:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:22,693 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 07:25:22,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 07:25:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:22,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 07:25:22,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 07:25:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:22,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 07:25:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:22,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648509199] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 07:25:22,934 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 07:25:22,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 07:25:22,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288833035] [2022-02-19 07:25:22,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 07:25:22,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 07:25:22,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:22,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 07:25:22,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 07:25:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:22,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:22,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:22,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:22,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,152 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 90 transitions and produced 91 states. [2022-02-19 07:25:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 07:25:23,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 07:25:23,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 07:25:23,373 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:23,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:23,377 INFO L85 PathProgramCache]: Analyzing trace with hash -392863105, now seen corresponding path program 1 times [2022-02-19 07:25:23,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:23,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682659696] [2022-02-19 07:25:23,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:25:23,394 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 07:25:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 07:25:23,424 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 07:25:23,424 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 07:25:23,424 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-19 07:25:23,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-19 07:25:23,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-19 07:25:23,425 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 07:25:23,425 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-19 07:25:23,425 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-19 07:25:23,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,448 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,448 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,452 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:25:23,458 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 07:25:23,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 07:25:23,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:23,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 07:25:23,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-02-19 07:25:23,465 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 07:25:23,465 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-02-19 07:25:23,466 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 07:25:23,472 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 44 transitions and produced 45 states. [2022-02-19 07:25:23,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:23,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:23,473 INFO L85 PathProgramCache]: Analyzing trace with hash -844642061, now seen corresponding path program 1 times [2022-02-19 07:25:23,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:23,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364163166] [2022-02-19 07:25:23,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:23,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:23,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:23,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364163166] [2022-02-19 07:25:23,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364163166] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:23,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:23,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 07:25:23,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599888606] [2022-02-19 07:25:23,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:23,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 07:25:23,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:23,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 07:25:23,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 07:25:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,500 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:23,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:23,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,512 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states. [2022-02-19 07:25:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 07:25:23,512 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:23,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2085235745, now seen corresponding path program 1 times [2022-02-19 07:25:23,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:23,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137465224] [2022-02-19 07:25:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:23,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:23,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137465224] [2022-02-19 07:25:23,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137465224] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:23,542 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:23,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 07:25:23,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974276049] [2022-02-19 07:25:23,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:23,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 07:25:23,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:23,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 07:25:23,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 07:25:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:23,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:23,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,573 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76 transitions and produced 77 states. [2022-02-19 07:25:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:23,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-19 07:25:23,573 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash -185774998, now seen corresponding path program 1 times [2022-02-19 07:25:23,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:23,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204525772] [2022-02-19 07:25:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:23,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:23,620 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:23,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204525772] [2022-02-19 07:25:23,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204525772] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 07:25:23,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118978710] [2022-02-19 07:25:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:23,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 07:25:23,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:25:23,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 07:25:23,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 07:25:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:23,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 07:25:23,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 07:25:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:23,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 07:25:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:25:23,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118978710] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 07:25:23,855 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 07:25:23,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 07:25:23,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831740238] [2022-02-19 07:25:23,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 07:25:23,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 07:25:23,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 07:25:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 07:25:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:23,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 07:25:23,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:23,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:23,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:24,244 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 164 transitions and produced 165 states. [2022-02-19 07:25:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 07:25:24,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 07:25:24,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 07:25:24,462 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:25:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:25:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1120228057, now seen corresponding path program 1 times [2022-02-19 07:25:24,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:25:24,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341858737] [2022-02-19 07:25:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:25:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:25:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:25:24,614 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-19 07:25:24,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:25:24,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341858737] [2022-02-19 07:25:24,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341858737] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:25:24,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:25:24,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 07:25:24,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248547154] [2022-02-19 07:25:24,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:25:24,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 07:25:24,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:25:24,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 07:25:24,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 07:25:24,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:24,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:25:24,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-02-19 07:25:24,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:25:24,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:25:24,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 07:25:24,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-19 07:40:03,196 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 07:40:03,196 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 07:40:03,196 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2022-02-19 07:40:03,196 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2022-02-19 07:40:03,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-19 07:40:03,276 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-19 07:40:03,276 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-19 07:40:03,276 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-19 07:40:03,278 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 07:40:03,279 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2022-02-19 07:40:03,279 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 07:40:03,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 07:40:03 BasicIcfg [2022-02-19 07:40:03,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 07:40:03,282 INFO L158 Benchmark]: Toolchain (without parser) took 883234.33ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 125.8MB in the beginning and 194.6MB in the end (delta: -68.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-19 07:40:03,282 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 181.4MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 07:40:03,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.91ms. Allocated memory is still 181.4MB. Free memory was 125.6MB in the beginning and 144.1MB in the end (delta: -18.5MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-02-19 07:40:03,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.29ms. Allocated memory is still 181.4MB. Free memory was 144.1MB in the beginning and 142.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 07:40:03,282 INFO L158 Benchmark]: Boogie Preprocessor took 24.58ms. Allocated memory is still 181.4MB. Free memory was 142.0MB in the beginning and 141.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 07:40:03,282 INFO L158 Benchmark]: RCFGBuilder took 346.83ms. Allocated memory is still 181.4MB. Free memory was 141.0MB in the beginning and 127.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-19 07:40:03,283 INFO L158 Benchmark]: TraceAbstraction took 882345.46ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 126.8MB in the beginning and 194.6MB in the end (delta: -67.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-19 07:40:03,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 181.4MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.91ms. Allocated memory is still 181.4MB. Free memory was 125.6MB in the beginning and 144.1MB in the end (delta: -18.5MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.29ms. Allocated memory is still 181.4MB. Free memory was 144.1MB in the beginning and 142.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.58ms. Allocated memory is still 181.4MB. Free memory was 142.0MB in the beginning and 141.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 346.83ms. Allocated memory is still 181.4MB. Free memory was 141.0MB in the beginning and 127.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 882345.46ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 126.8MB in the beginning and 194.6MB in the end (delta: -67.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 706]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 2 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 142 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 2 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 165 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 879.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 879.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 477 SizeOfPredicates, 2 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 33/36 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