/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 11:07:57,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 11:07:57,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 11:07:57,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 11:07:57,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 11:07:57,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 11:07:57,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 11:07:57,964 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-FA-NoLbe.epf [2022-02-15 11:07:57,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 11:07:57,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 11:07:57,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 11:07:57,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 11:07:57,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 11:07:57,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 11:07:57,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 11:07:57,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 11:07:57,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 11:07:57,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 11:07:57,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:07:57,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 11:07:57,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 11:07:57,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 11:07:57,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 11:07:58,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 11:07:58,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 11:07:58,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 11:07:58,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 11:07:58,215 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 11:07:58,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2022-02-15 11:07:58,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfab5ff9f/fd5f2e4991244ebcb05df1829e3f5708/FLAGc98b9ce2a [2022-02-15 11:07:58,741 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 11:07:58,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2022-02-15 11:07:58,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfab5ff9f/fd5f2e4991244ebcb05df1829e3f5708/FLAGc98b9ce2a [2022-02-15 11:07:59,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfab5ff9f/fd5f2e4991244ebcb05df1829e3f5708 [2022-02-15 11:07:59,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 11:07:59,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 11:07:59,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 11:07:59,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 11:07:59,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 11:07:59,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5655dbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59, skipping insertion in model container [2022-02-15 11:07:59,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 11:07:59,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 11:07:59,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-02-15 11:07:59,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:07:59,413 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 11:07:59,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-02-15 11:07:59,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:07:59,492 INFO L208 MainTranslator]: Completed translation [2022-02-15 11:07:59,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59 WrapperNode [2022-02-15 11:07:59,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 11:07:59,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 11:07:59,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 11:07:59,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 11:07:59,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,557 INFO L137 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-02-15 11:07:59,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 11:07:59,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 11:07:59,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 11:07:59,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 11:07:59,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 11:07:59,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 11:07:59,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 11:07:59,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 11:07:59,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (1/1) ... [2022-02-15 11:07:59,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:07:59,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 11:07:59,639 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) [2022-02-15 11:07:59,642 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 [2022-02-15 11:07:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 11:07:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 11:07:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 11:07:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 11:07:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 11:07:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 11:07:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 11:07:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 11:07:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 11:07:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 11:07:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 11:07:59,674 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 11:07:59,817 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 11:07:59,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 11:07:59,983 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 11:07:59,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 11:07:59,990 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-02-15 11:07:59,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:59 BoogieIcfgContainer [2022-02-15 11:07:59,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 11:07:59,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 11:07:59,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 11:08:00,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 11:08:00,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:07:59" (1/3) ... [2022-02-15 11:08:00,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e8ff37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:08:00, skipping insertion in model container [2022-02-15 11:08:00,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:59" (2/3) ... [2022-02-15 11:08:00,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e8ff37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:08:00, skipping insertion in model container [2022-02-15 11:08:00,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:59" (3/3) ... [2022-02-15 11:08:00,006 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2022-02-15 11:08:00,011 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 11:08:00,011 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 11:08:00,011 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 11:08:00,011 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 11:08:00,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,045 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,057 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:08:00,061 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 11:08:00,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 11:08:00,108 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 [2022-02-15 11:08:00,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-15 11:08:00,118 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 108 transitions, 224 flow [2022-02-15 11:08:00,185 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 572 states, 571 states have (on average 2.148861646234676) internal successors, (1227), 571 states have internal predecessors, (1227), 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) [2022-02-15 11:08:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 572 states, 571 states have (on average 2.148861646234676) internal successors, (1227), 571 states have internal predecessors, (1227), 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) [2022-02-15 11:08:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-15 11:08:00,201 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:08:00,202 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, 1, 1] [2022-02-15 11:08:00,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:08:00,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:08:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1331683409, now seen corresponding path program 1 times [2022-02-15 11:08:00,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:08:00,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869335654] [2022-02-15 11:08:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:08:00,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:08:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:08:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:08:00,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:08:00,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869335654] [2022-02-15 11:08:00,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869335654] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:08:00,558 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:08:00,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-15 11:08:00,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419675286] [2022-02-15 11:08:00,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:08:00,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 11:08:00,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:08:00,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 11:08:00,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-15 11:08:00,605 INFO L87 Difference]: Start difference. First operand has 572 states, 571 states have (on average 2.148861646234676) internal successors, (1227), 571 states have internal predecessors, (1227), 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 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 11:08:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:08:00,962 INFO L93 Difference]: Finished difference Result 686 states and 1259 transitions. [2022-02-15 11:08:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 11:08:00,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-02-15 11:08:00,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:08:00,977 INFO L225 Difference]: With dead ends: 686 [2022-02-15 11:08:00,977 INFO L226 Difference]: Without dead ends: 362 [2022-02-15 11:08:00,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-02-15 11:08:00,982 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 326 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 11:08:00,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 656 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 11:08:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-02-15 11:08:01,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-02-15 11:08:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.778393351800554) internal successors, (642), 361 states have internal predecessors, (642), 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) [2022-02-15 11:08:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 642 transitions. [2022-02-15 11:08:01,035 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 642 transitions. Word has length 53 [2022-02-15 11:08:01,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:08:01,035 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 642 transitions. [2022-02-15 11:08:01,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 11:08:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 642 transitions. [2022-02-15 11:08:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 11:08:01,039 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:08:01,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:08:01,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 11:08:01,039 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:08:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:08:01,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1624362491, now seen corresponding path program 1 times [2022-02-15 11:08:01,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:08:01,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436955927] [2022-02-15 11:08:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:08:01,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:08:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:08:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:08:01,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:08:01,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436955927] [2022-02-15 11:08:01,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436955927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:08:01,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:08:01,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 11:08:01,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474658239] [2022-02-15 11:08:01,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:08:01,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 11:08:01,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:08:01,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 11:08:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 11:08:01,212 INFO L87 Difference]: Start difference. First operand 362 states and 642 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 11:08:01,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:08:01,290 INFO L93 Difference]: Finished difference Result 291 states and 477 transitions. [2022-02-15 11:08:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 11:08:01,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-15 11:08:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:08:01,295 INFO L225 Difference]: With dead ends: 291 [2022-02-15 11:08:01,295 INFO L226 Difference]: Without dead ends: 279 [2022-02-15 11:08:01,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:08:01,299 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 117 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 11:08:01,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 194 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 11:08:01,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-02-15 11:08:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 252. [2022-02-15 11:08:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 250 states have (on average 1.652) internal successors, (413), 251 states have internal predecessors, (413), 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) [2022-02-15 11:08:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 413 transitions. [2022-02-15 11:08:01,324 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 413 transitions. Word has length 63 [2022-02-15 11:08:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:08:01,325 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 413 transitions. [2022-02-15 11:08:01,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 11:08:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 413 transitions. [2022-02-15 11:08:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 11:08:01,331 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:08:01,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:08:01,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 11:08:01,332 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:08:01,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:08:01,333 INFO L85 PathProgramCache]: Analyzing trace with hash -114502439, now seen corresponding path program 1 times [2022-02-15 11:08:01,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:08:01,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346596354] [2022-02-15 11:08:01,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:08:01,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:08:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:08:01,435 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 11:08:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:08:01,517 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 11:08:01,517 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 11:08:01,518 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-15 11:08:01,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-15 11:08:01,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 11:08:01,524 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-15 11:08:01,528 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 11:08:01,528 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 11:08:01,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:08:01 BasicIcfg [2022-02-15 11:08:01,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 11:08:01,598 INFO L158 Benchmark]: Toolchain (without parser) took 2535.96ms. Allocated memory was 197.1MB in the beginning and 267.4MB in the end (delta: 70.3MB). Free memory was 139.4MB in the beginning and 223.4MB in the end (delta: -84.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 11:08:01,598 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 197.1MB. Free memory is still 156.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 11:08:01,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.36ms. Allocated memory is still 197.1MB. Free memory was 139.2MB in the beginning and 157.5MB in the end (delta: -18.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-15 11:08:01,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 197.1MB. Free memory was 157.5MB in the beginning and 155.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 11:08:01,599 INFO L158 Benchmark]: Boogie Preprocessor took 45.12ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 154.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 11:08:01,600 INFO L158 Benchmark]: RCFGBuilder took 388.22ms. Allocated memory is still 197.1MB. Free memory was 154.3MB in the beginning and 140.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-15 11:08:01,600 INFO L158 Benchmark]: TraceAbstraction took 1603.41ms. Allocated memory was 197.1MB in the beginning and 267.4MB in the end (delta: 70.3MB). Free memory was 140.2MB in the beginning and 223.4MB in the end (delta: -83.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 11:08:01,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 197.1MB. Free memory is still 156.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 429.36ms. Allocated memory is still 197.1MB. Free memory was 139.2MB in the beginning and 157.5MB in the end (delta: -18.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 197.1MB. Free memory was 157.5MB in the beginning and 155.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.12ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 154.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 388.22ms. Allocated memory is still 197.1MB. Free memory was 154.3MB in the beginning and 140.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1603.41ms. Allocated memory was 197.1MB in the beginning and 267.4MB in the end (delta: 70.3MB). Free memory was 140.2MB in the beginning and 223.4MB in the end (delta: -83.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L700] 1 int *p = (int *) arg; VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [\read(i)=1, __global_lock={3:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - UnprovableResult [Line: 709]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 443 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 443 mSDsluCounter, 850 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 628 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 224 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=572occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2022-02-15 11:08:01,644 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...