/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_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:04:36,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:04:36,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:04:37,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 22:04:37,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:04:37,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:04:37,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:04:37,087 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 [2022-02-10 22:04:37,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:04:37,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:04:37,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:04:37,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:04:37,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:04:37,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:04:37,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:04:37,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:04:37,104 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:04:37,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:04:37,104 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:04:37,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:04:37,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:04:37,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:04:37,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:04:37,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:04:37,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:04:37,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:04:37,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:04:37,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:04:37,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:04:37,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:04:37,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:04:37,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:04:37,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:04:37,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:04:37,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:04:37,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:04:37,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:04:37,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:04:37,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:04:37,342 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:04:37,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2022-02-10 22:04:37,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057530f5d/7ae14183449847158117e69546d8ab24/FLAGc07aafdc9 [2022-02-10 22:04:37,803 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:04:37,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2022-02-10 22:04:37,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057530f5d/7ae14183449847158117e69546d8ab24/FLAGc07aafdc9 [2022-02-10 22:04:37,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057530f5d/7ae14183449847158117e69546d8ab24 [2022-02-10 22:04:37,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:04:37,832 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:04:37,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:04:37,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:04:37,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:04:37,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:04:37" (1/1) ... [2022-02-10 22:04:37,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650cf2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:37, skipping insertion in model container [2022-02-10 22:04:37,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:04:37" (1/1) ... [2022-02-10 22:04:37,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:04:37,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:04:38,235 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_46-escape_racefree.i[30176,30189] [2022-02-10 22:04:38,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:04:38,283 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:04:38,330 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_46-escape_racefree.i[30176,30189] [2022-02-10 22:04:38,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:04:38,402 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:04:38,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38 WrapperNode [2022-02-10 22:04:38,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:04:38,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:04:38,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:04:38,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:04:38,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,451 INFO L137 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-02-10 22:04:38,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:04:38,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:04:38,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:04:38,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:04:38,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:04:38,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:04:38,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:04:38,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:04:38,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (1/1) ... [2022-02-10 22:04:38,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:04:38,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:04:38,506 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) [2022-02-10 22:04:38,511 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 [2022-02-10 22:04:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:04:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:04:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 22:04:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:04:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:04:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 22:04:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 22:04:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:04:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:04:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:04:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:04:38,562 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:04:38,716 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:04:38,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:04:38,874 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:04:38,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:04:38,883 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-02-10 22:04:38,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:04:38 BoogieIcfgContainer [2022-02-10 22:04:38,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:04:38,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:04:38,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:04:38,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:04:38,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:04:37" (1/3) ... [2022-02-10 22:04:38,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1768ff57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:04:38, skipping insertion in model container [2022-02-10 22:04:38,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:04:38" (2/3) ... [2022-02-10 22:04:38,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1768ff57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:04:38, skipping insertion in model container [2022-02-10 22:04:38,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:04:38" (3/3) ... [2022-02-10 22:04:38,893 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2022-02-10 22:04:38,897 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:04:38,897 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:04:38,897 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:04:38,897 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:04:38,920 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,920 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,920 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,924 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,925 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,927 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,928 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,929 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,930 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,933 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,933 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,933 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,933 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,934 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:04:38,938 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 22:04:38,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:04:38,973 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, 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 [2022-02-10 22:04:38,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:04:38,981 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 110 transitions, 228 flow [2022-02-10 22:04:39,029 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 574 states, 573 states have (on average 2.1448516579406633) internal successors, (1229), 573 states have internal predecessors, (1229), 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) [2022-02-10 22:04:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 574 states, 573 states have (on average 2.1448516579406633) internal successors, (1229), 573 states have internal predecessors, (1229), 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) [2022-02-10 22:04:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:04:39,040 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:04:39,041 INFO L515 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] [2022-02-10 22:04:39,041 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:04:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:04:39,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1929624586, now seen corresponding path program 1 times [2022-02-10 22:04:39,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:04:39,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174134984] [2022-02-10 22:04:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:04:39,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:04:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:04:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:04:39,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:04:39,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174134984] [2022-02-10 22:04:39,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174134984] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:04:39,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:04:39,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:04:39,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359346627] [2022-02-10 22:04:39,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:04:39,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:04:39,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:04:39,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:04:39,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:04:39,427 INFO L87 Difference]: Start difference. First operand has 574 states, 573 states have (on average 2.1448516579406633) internal successors, (1229), 573 states have internal predecessors, (1229), 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 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2022-02-10 22:04:39,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:04:39,631 INFO L93 Difference]: Finished difference Result 688 states and 1261 transitions. [2022-02-10 22:04:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 22:04:39,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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 55 [2022-02-10 22:04:39,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:04:39,643 INFO L225 Difference]: With dead ends: 688 [2022-02-10 22:04:39,643 INFO L226 Difference]: Without dead ends: 364 [2022-02-10 22:04:39,644 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-02-10 22:04:39,647 INFO L934 BasicCegarLoop]: 151 mSDtfsCounter, 308 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:04:39,648 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 757 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:04:39,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-02-10 22:04:39,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2022-02-10 22:04:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 363 states have (on average 1.7741046831955922) internal successors, (644), 363 states have internal predecessors, (644), 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) [2022-02-10 22:04:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 644 transitions. [2022-02-10 22:04:39,689 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 644 transitions. Word has length 55 [2022-02-10 22:04:39,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:04:39,690 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 644 transitions. [2022-02-10 22:04:39,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2022-02-10 22:04:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 644 transitions. [2022-02-10 22:04:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 22:04:39,692 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:04:39,692 INFO L515 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] [2022-02-10 22:04:39,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:04:39,693 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:04:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:04:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1867093068, now seen corresponding path program 1 times [2022-02-10 22:04:39,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:04:39,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064390131] [2022-02-10 22:04:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:04:39,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:04:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:04:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:04:39,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:04:39,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064390131] [2022-02-10 22:04:39,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064390131] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:04:39,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:04:39,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:04:39,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432591219] [2022-02-10 22:04:39,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:04:39,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:04:39,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:04:39,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:04:39,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:04:39,811 INFO L87 Difference]: Start difference. First operand 364 states and 644 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2022-02-10 22:04:39,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:04:39,853 INFO L93 Difference]: Finished difference Result 171 states and 254 transitions. [2022-02-10 22:04:39,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 22:04:39,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2022-02-10 22:04:39,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:04:39,854 INFO L225 Difference]: With dead ends: 171 [2022-02-10 22:04:39,854 INFO L226 Difference]: Without dead ends: 159 [2022-02-10 22:04:39,855 INFO L933 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 [2022-02-10 22:04:39,856 INFO L934 BasicCegarLoop]: 69 mSDtfsCounter, 152 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:04:39,856 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 124 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:04:39,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-02-10 22:04:39,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-02-10 22:04:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 158 states have (on average 1.481012658227848) internal successors, (234), 158 states have internal predecessors, (234), 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) [2022-02-10 22:04:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 234 transitions. [2022-02-10 22:04:39,862 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 234 transitions. Word has length 65 [2022-02-10 22:04:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:04:39,862 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 234 transitions. [2022-02-10 22:04:39,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2022-02-10 22:04:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2022-02-10 22:04:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-10 22:04:39,864 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:04:39,864 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:04:39,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:04:39,865 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:04:39,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:04:39,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1261698595, now seen corresponding path program 1 times [2022-02-10 22:04:39,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:04:39,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119063440] [2022-02-10 22:04:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:04:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:04:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:04:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:04:40,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:04:40,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119063440] [2022-02-10 22:04:40,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119063440] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:04:40,109 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:04:40,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-10 22:04:40,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836761132] [2022-02-10 22:04:40,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:04:40,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-10 22:04:40,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:04:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-10 22:04:40,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2022-02-10 22:04:40,110 INFO L87 Difference]: Start difference. First operand 159 states and 234 transitions. Second operand has 17 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 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) [2022-02-10 22:04:40,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:04:40,565 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2022-02-10 22:04:40,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 22:04:40,566 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 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 80 [2022-02-10 22:04:40,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:04:40,566 INFO L225 Difference]: With dead ends: 153 [2022-02-10 22:04:40,566 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 22:04:40,567 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-02-10 22:04:40,568 INFO L934 BasicCegarLoop]: 87 mSDtfsCounter, 246 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:04:40,568 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 906 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:04:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 22:04:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 22:04:40,569 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) [2022-02-10 22:04:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 22:04:40,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2022-02-10 22:04:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:04:40,569 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 22:04:40,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 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) [2022-02-10 22:04:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 22:04:40,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 22:04:40,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-10 22:04:40,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-10 22:04:40,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:04:40,575 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 22:04:40,576 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 22:04:40,576 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 22:04:40,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 10:04:40 BasicIcfg [2022-02-10 22:04:40,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 22:04:40,579 INFO L158 Benchmark]: Toolchain (without parser) took 2747.16ms. Allocated memory was 191.9MB in the beginning and 294.6MB in the end (delta: 102.8MB). Free memory was 133.6MB in the beginning and 170.3MB in the end (delta: -36.7MB). Peak memory consumption was 66.2MB. Max. memory is 8.0GB. [2022-02-10 22:04:40,579 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory was 151.2MB in the beginning and 151.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:04:40,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.33ms. Allocated memory was 191.9MB in the beginning and 294.6MB in the end (delta: 102.8MB). Free memory was 133.3MB in the beginning and 256.5MB in the end (delta: -123.2MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2022-02-10 22:04:40,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.49ms. Allocated memory is still 294.6MB. Free memory was 256.5MB in the beginning and 254.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:04:40,580 INFO L158 Benchmark]: Boogie Preprocessor took 19.13ms. Allocated memory is still 294.6MB. Free memory was 254.6MB in the beginning and 253.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 22:04:40,581 INFO L158 Benchmark]: RCFGBuilder took 413.03ms. Allocated memory is still 294.6MB. Free memory was 253.0MB in the beginning and 238.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-10 22:04:40,581 INFO L158 Benchmark]: TraceAbstraction took 1692.87ms. Allocated memory is still 294.6MB. Free memory was 238.3MB in the beginning and 170.3MB in the end (delta: 68.0MB). Peak memory consumption was 69.0MB. Max. memory is 8.0GB. [2022-02-10 22:04:40,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory was 151.2MB in the beginning and 151.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 573.33ms. Allocated memory was 191.9MB in the beginning and 294.6MB in the end (delta: 102.8MB). Free memory was 133.3MB in the beginning and 256.5MB in the end (delta: -123.2MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.49ms. Allocated memory is still 294.6MB. Free memory was 256.5MB in the beginning and 254.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.13ms. Allocated memory is still 294.6MB. Free memory was 254.6MB in the beginning and 253.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 413.03ms. Allocated memory is still 294.6MB. Free memory was 253.0MB in the beginning and 238.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1692.87ms. Allocated memory is still 294.6MB. Free memory was 238.3MB in the beginning and 170.3MB in the end (delta: 68.0MB). Peak memory consumption was 69.0MB. 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 - PositiveResult [Line: 691]: 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, 131 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 706 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 706 mSDsluCounter, 1787 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1481 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 307 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=574occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 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! [2022-02-10 22:04:40,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...