/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 23:29:10,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 23:29:10,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 23:29:10,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 23:29:10,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 23:29:10,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 23:29:10,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 23:29:10,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 23:29:10,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 23:29:10,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 23:29:10,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 23:29:10,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 23:29:10,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 23:29:10,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 23:29:10,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 23:29:10,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 23:29:10,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 23:29:10,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 23:29:10,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 23:29:10,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 23:29:10,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 23:29:10,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 23:29:10,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 23:29:10,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 23:29:10,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 23:29:10,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 23:29:10,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 23:29:10,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 23:29:10,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 23:29:10,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 23:29:10,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 23:29:10,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 23:29:10,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 23:29:10,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 23:29:10,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 23:29:10,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 23:29:10,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 23:29:10,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 23:29:10,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 23:29:10,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 23:29:10,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 23:29:10,129 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-MCRwithoutDepranks-Lazy.epf [2022-02-16 23:29:10,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 23:29:10,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 23:29:10,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 23:29:10,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 23:29:10,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 23:29:10,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 23:29:10,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 23:29:10,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 23:29:10,159 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 23:29:10,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 23:29:10,159 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 23:29:10,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 23:29:10,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 23:29:10,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 23:29:10,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 23:29:10,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 23:29:10,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 23:29:10,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 23:29:10,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 23:29:10,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 23:29:10,162 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 23:29:10,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 23:29:10,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 23:29:10,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 23:29:10,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 23:29:10,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 23:29:10,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 23:29:10,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 23:29:10,170 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 23:29:10,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 23:29:10,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 23:29:10,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 23:29:10,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 23:29:10,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 23:29:10,395 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 23:29:10,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-02-16 23:29:10,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ad0d8b8a/8c892d15472943bcab6721c94faaab70/FLAGe7d00c4f6 [2022-02-16 23:29:10,913 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 23:29:10,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-02-16 23:29:10,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ad0d8b8a/8c892d15472943bcab6721c94faaab70/FLAGe7d00c4f6 [2022-02-16 23:29:11,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ad0d8b8a/8c892d15472943bcab6721c94faaab70 [2022-02-16 23:29:11,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 23:29:11,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 23:29:11,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 23:29:11,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 23:29:11,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 23:29:11,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1875c72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11, skipping insertion in model container [2022-02-16 23:29:11,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 23:29:11,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 23:29:11,628 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/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-02-16 23:29:11,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 23:29:11,727 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 23:29:11,737 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/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-02-16 23:29:11,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 23:29:11,831 INFO L208 MainTranslator]: Completed translation [2022-02-16 23:29:11,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11 WrapperNode [2022-02-16 23:29:11,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 23:29:11,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 23:29:11,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 23:29:11,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 23:29:11,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,893 INFO L137 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-02-16 23:29:11,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 23:29:11,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 23:29:11,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 23:29:11,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 23:29:11,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 23:29:11,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 23:29:11,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 23:29:11,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 23:29:11,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (1/1) ... [2022-02-16 23:29:11,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 23:29:11,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 23:29:11,965 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) [2022-02-16 23:29:11,973 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 [2022-02-16 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 23:29:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 23:29:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 23:29:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 23:29:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 23:29:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 23:29:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 23:29:12,000 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 23:29:12,141 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 23:29:12,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 23:29:12,340 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 23:29:12,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 23:29:12,347 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 23:29:12,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:29:12 BoogieIcfgContainer [2022-02-16 23:29:12,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 23:29:12,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 23:29:12,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 23:29:12,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 23:29:12,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 11:29:11" (1/3) ... [2022-02-16 23:29:12,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1398cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:29:12, skipping insertion in model container [2022-02-16 23:29:12,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:29:11" (2/3) ... [2022-02-16 23:29:12,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1398cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:29:12, skipping insertion in model container [2022-02-16 23:29:12,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:29:12" (3/3) ... [2022-02-16 23:29:12,357 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-02-16 23:29:12,365 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 23:29:12,366 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 23:29:12,366 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-16 23:29:12,366 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 23:29:12,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,408 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,409 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,409 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,410 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:29:12,442 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-16 23:29:12,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 23:29:12,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 23:29:12,494 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) [2022-02-16 23:29:12,495 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 [2022-02-16 23:29:12,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 23:29:12,531 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 [2022-02-16 23:29:12,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 23:29:12,649 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 65 transitions and produced 66 states. [2022-02-16 23:29:12,652 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 23:29:12,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 23:29:12,657 INFO L85 PathProgramCache]: Analyzing trace with hash 183106416, now seen corresponding path program 1 times [2022-02-16 23:29:12,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 23:29:12,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769731904] [2022-02-16 23:29:12,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 23:29:12,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 23:29:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 23:29:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 23:29:13,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 23:29:13,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769731904] [2022-02-16 23:29:13,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769731904] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 23:29:13,065 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 23:29:13,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 23:29:13,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632792971] [2022-02-16 23:29:13,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 23:29:13,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-16 23:29:13,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 23:29:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-16 23:29:13,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-16 23:29:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:29:13,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 23:29:13,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2022-02-16 23:29:13,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:30:31,138 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11672 transitions and produced 11673 states. [2022-02-16 23:30:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-16 23:30:31,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 23:30:31,139 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 23:30:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 23:30:31,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1205609144, now seen corresponding path program 1 times [2022-02-16 23:30:31,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 23:30:31,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171751962] [2022-02-16 23:30:31,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 23:30:31,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 23:30:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 23:30:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 23:30:31,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 23:30:31,337 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171751962] [2022-02-16 23:30:31,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171751962] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 23:30:31,337 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 23:30:31,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 23:30:31,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776797041] [2022-02-16 23:30:31,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 23:30:31,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 23:30:31,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 23:30:31,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 23:30:31,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-16 23:30:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:30:31,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 23:30:31,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2022-02-16 23:30:31,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-16 23:30:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.