/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-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 12:33:22,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 12:33:22,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 12:33:22,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 12:33:22,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 12:33:22,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 12:33:22,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 12:33:22,495 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-BasicCegarLoop.epf [2022-02-16 12:33:22,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 12:33:22,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 12:33:22,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 12:33:22,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 12:33:22,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 12:33:22,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 12:33:22,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 12:33:22,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 12:33:22,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 12:33:22,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 12:33:22,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 12:33:22,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 12:33:22,513 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 12:33:22,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 12:33:22,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 12:33:22,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 12:33:22,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 12:33:22,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 12:33:22,738 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 12:33:22,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i [2022-02-16 12:33:22,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d66b5ce/89c5d40847ce493c819383724c2b5421/FLAGf8ba9b439 [2022-02-16 12:33:23,164 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 12:33:23,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i [2022-02-16 12:33:23,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d66b5ce/89c5d40847ce493c819383724c2b5421/FLAGf8ba9b439 [2022-02-16 12:33:23,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d66b5ce/89c5d40847ce493c819383724c2b5421 [2022-02-16 12:33:23,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 12:33:23,184 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 12:33:23,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 12:33:23,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 12:33:23,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 12:33:23,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e45605e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23, skipping insertion in model container [2022-02-16 12:33:23,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 12:33:23,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 12:33:23,377 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_35-traces-ex-2_true.i[1088,1101] [2022-02-16 12:33:23,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 12:33:23,501 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 12:33:23,508 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_35-traces-ex-2_true.i[1088,1101] [2022-02-16 12:33:23,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 12:33:23,560 INFO L208 MainTranslator]: Completed translation [2022-02-16 12:33:23,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23 WrapperNode [2022-02-16 12:33:23,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 12:33:23,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 12:33:23,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 12:33:23,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 12:33:23,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,601 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-16 12:33:23,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 12:33:23,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 12:33:23,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 12:33:23,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 12:33:23,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 12:33:23,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 12:33:23,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 12:33:23,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 12:33:23,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (1/1) ... [2022-02-16 12:33:23,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 12:33:23,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 12:33:23,673 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 12:33:23,711 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 12:33:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 12:33:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 12:33:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 12:33:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 12:33:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 12:33:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 12:33:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 12:33:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 12:33:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 12:33:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 12:33:23,727 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 12:33:23,836 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 12:33:23,837 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 12:33:23,984 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 12:33:23,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 12:33:23,989 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 12:33:23,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:33:23 BoogieIcfgContainer [2022-02-16 12:33:23,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 12:33:23,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 12:33:23,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 12:33:23,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 12:33:23,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:33:23" (1/3) ... [2022-02-16 12:33:23,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d04487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:33:23, skipping insertion in model container [2022-02-16 12:33:23,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:23" (2/3) ... [2022-02-16 12:33:23,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d04487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:33:23, skipping insertion in model container [2022-02-16 12:33:23,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:33:23" (3/3) ... [2022-02-16 12:33:23,995 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_35-traces-ex-2_true.i [2022-02-16 12:33:23,999 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 12:33:23,999 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 12:33:23,999 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 12:33:23,999 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 12:33:24,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,023 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 12:33:24,030 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 12:33:24,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 12:33:24,062 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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 12:33:24,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-16 12:33:24,069 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 147 flow [2022-02-16 12:33:24,103 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 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 12:33:24,269 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3971 transitions and produced 2332 states. [2022-02-16 12:33:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 2332 states, 1986 states have (on average 1.1737160120845922) internal successors, (2331), 2331 states have internal predecessors, (2331), 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 12:33:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-16 12:33:24,298 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 12:33:24,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 12:33:24,299 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 12:33:24,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 12:33:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1163219958, now seen corresponding path program 1 times [2022-02-16 12:33:24,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 12:33:24,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144546398] [2022-02-16 12:33:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 12:33:24,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 12:33:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 12:33:24,641 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 12:33:24,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 12:33:24,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144546398] [2022-02-16 12:33:24,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144546398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 12:33:24,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 12:33:24,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 12:33:24,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750269705] [2022-02-16 12:33:24,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 12:33:24,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-16 12:33:24,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 12:33:24,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-16 12:33:24,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-16 12:33:24,682 INFO L87 Difference]: Start difference. First operand has 2332 states, 1986 states have (on average 1.1737160120845922) internal successors, (2331), 2331 states have internal predecessors, (2331), 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) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 12:33:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 12:33:24,814 INFO L93 Difference]: Finished difference Result 1944 states and 1943 transitions. [2022-02-16 12:33:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-16 12:33:24,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) Word has length 44 [2022-02-16 12:33:24,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 12:33:24,823 INFO L225 Difference]: With dead ends: 1944 [2022-02-16 12:33:24,823 INFO L226 Difference]: Without dead ends: 318 [2022-02-16 12:33:24,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-16 12:33:24,826 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 12:33:24,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 231 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 12:33:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-02-16 12:33:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 97. [2022-02-16 12:33:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.0833333333333333) internal successors, (104), 96 states have internal predecessors, (104), 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 12:33:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2022-02-16 12:33:24,866 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 44 [2022-02-16 12:33:24,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 12:33:24,867 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2022-02-16 12:33:24,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 12:33:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2022-02-16 12:33:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-16 12:33:24,871 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 12:33:24,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 12:33:24,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 12:33:24,875 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 12:33:24,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 12:33:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1269675977, now seen corresponding path program 1 times [2022-02-16 12:33:24,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 12:33:24,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845787935] [2022-02-16 12:33:24,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 12:33:24,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 12:33:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 12:33:24,965 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 12:33:24,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 12:33:24,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845787935] [2022-02-16 12:33:24,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845787935] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 12:33:24,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 12:33:24,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 12:33:24,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735044521] [2022-02-16 12:33:24,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 12:33:24,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 12:33:24,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 12:33:24,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 12:33:24,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-16 12:33:24,969 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 12:33:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 12:33:25,003 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2022-02-16 12:33:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 12:33:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) Word has length 50 [2022-02-16 12:33:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 12:33:25,004 INFO L225 Difference]: With dead ends: 67 [2022-02-16 12:33:25,004 INFO L226 Difference]: Without dead ends: 52 [2022-02-16 12:33:25,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-16 12:33:25,005 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 49 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 12:33:25,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 194 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 12:33:25,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-02-16 12:33:25,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-02-16 12:33:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0) internal successors, (51), 51 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 12:33:25,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 51 transitions. [2022-02-16 12:33:25,008 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 51 transitions. Word has length 50 [2022-02-16 12:33:25,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 12:33:25,008 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 51 transitions. [2022-02-16 12:33:25,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 12:33:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 51 transitions. [2022-02-16 12:33:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-16 12:33:25,009 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 12:33:25,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 12:33:25,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 12:33:25,010 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 12:33:25,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 12:33:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1466632032, now seen corresponding path program 1 times [2022-02-16 12:33:25,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 12:33:25,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645794355] [2022-02-16 12:33:25,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 12:33:25,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 12:33:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 12:33:25,123 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 12:33:25,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 12:33:25,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645794355] [2022-02-16 12:33:25,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645794355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 12:33:25,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 12:33:25,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-16 12:33:25,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260197897] [2022-02-16 12:33:25,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 12:33:25,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 12:33:25,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 12:33:25,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 12:33:25,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-02-16 12:33:25,125 INFO L87 Difference]: Start difference. First operand 52 states and 51 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 12:33:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 12:33:25,192 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2022-02-16 12:33:25,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-16 12:33:25,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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) Word has length 51 [2022-02-16 12:33:25,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 12:33:25,193 INFO L225 Difference]: With dead ends: 44 [2022-02-16 12:33:25,193 INFO L226 Difference]: Without dead ends: 0 [2022-02-16 12:33:25,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-02-16 12:33:25,194 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 59 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 12:33:25,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 158 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 12:33:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-16 12:33:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-16 12:33:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 12:33:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-16 12:33:25,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-02-16 12:33:25,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 12:33:25,195 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-16 12:33:25,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 12:33:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-16 12:33:25,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-16 12:33:25,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-16 12:33:25,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-16 12:33:25,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 12:33:25,199 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-16 12:33:25,200 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 12:33:25,200 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 12:33:25,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:33:25 BasicIcfg [2022-02-16 12:33:25,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 12:33:25,203 INFO L158 Benchmark]: Toolchain (without parser) took 2018.67ms. Allocated memory was 199.2MB in the beginning and 244.3MB in the end (delta: 45.1MB). Free memory was 146.9MB in the beginning and 148.2MB in the end (delta: -1.3MB). Peak memory consumption was 45.0MB. Max. memory is 8.0GB. [2022-02-16 12:33:25,203 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 199.2MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 12:33:25,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.23ms. Allocated memory is still 199.2MB. Free memory was 146.8MB in the beginning and 165.1MB in the end (delta: -18.4MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-02-16 12:33:25,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.70ms. Allocated memory is still 199.2MB. Free memory was 165.1MB in the beginning and 163.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 12:33:25,203 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 199.2MB. Free memory was 163.1MB in the beginning and 162.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 12:33:25,204 INFO L158 Benchmark]: RCFGBuilder took 369.28ms. Allocated memory is still 199.2MB. Free memory was 162.1MB in the beginning and 150.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-16 12:33:25,204 INFO L158 Benchmark]: TraceAbstraction took 1211.00ms. Allocated memory was 199.2MB in the beginning and 244.3MB in the end (delta: 45.1MB). Free memory was 149.5MB in the beginning and 148.2MB in the end (delta: 1.3MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. [2022-02-16 12:33:25,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 199.2MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 375.23ms. Allocated memory is still 199.2MB. Free memory was 146.8MB in the beginning and 165.1MB in the end (delta: -18.4MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.70ms. Allocated memory is still 199.2MB. Free memory was 165.1MB in the beginning and 163.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 199.2MB. Free memory was 163.1MB in the beginning and 162.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 369.28ms. Allocated memory is still 199.2MB. Free memory was 162.1MB in the beginning and 150.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1211.00ms. Allocated memory was 199.2MB in the beginning and 244.3MB in the end (delta: 45.1MB). Free memory was 149.5MB in the beginning and 148.2MB in the end (delta: 1.3MB). Peak memory consumption was 46.3MB. 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: 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, 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 583 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 162 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2332occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 221 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-16 12:33:25,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...