/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/pthread-lit/fkp2013_variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 14:54:35,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 14:54:35,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 14:54:35,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 14:54:35,709 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 [2022-03-01 14:54:35,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 14:54:35,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 14:54:35,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 14:54:35,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 14:54:35,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 14:54:35,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 14:54:35,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 14:54:35,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 14:54:35,738 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 14:54:35,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 14:54:35,739 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 14:54:35,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 14:54:35,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 14:54:35,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 14:54:35,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 14:54:35,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 14:54:35,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 14:54:35,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 14:54:35,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 14:54:35,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:54:35,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 14:54:35,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 14:54:35,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 14:54:35,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 14:54:35,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 14:54:35,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 14:54:35,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 14:54:35,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 14:54:35,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 14:54:35,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 14:54:35,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 14:54:35,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 14:54:35,951 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 14:54:35,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2022-03-01 14:54:35,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c487e0f/a71e17402cef45028dc0bf3a1f1ecd17/FLAG32a2eae67 [2022-03-01 14:54:36,328 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 14:54:36,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2022-03-01 14:54:36,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c487e0f/a71e17402cef45028dc0bf3a1f1ecd17/FLAG32a2eae67 [2022-03-01 14:54:36,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c487e0f/a71e17402cef45028dc0bf3a1f1ecd17 [2022-03-01 14:54:36,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 14:54:36,728 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 14:54:36,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 14:54:36,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 14:54:36,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 14:54:36,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:54:36" (1/1) ... [2022-03-01 14:54:36,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc55c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:36, skipping insertion in model container [2022-03-01 14:54:36,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:54:36" (1/1) ... [2022-03-01 14:54:36,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 14:54:36,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 14:54:36,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i[30003,30016] [2022-03-01 14:54:37,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:54:37,010 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 14:54:37,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i[30003,30016] [2022-03-01 14:54:37,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:54:37,080 INFO L208 MainTranslator]: Completed translation [2022-03-01 14:54:37,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37 WrapperNode [2022-03-01 14:54:37,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 14:54:37,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 14:54:37,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 14:54:37,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 14:54:37,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,120 INFO L137 Inliner]: procedures = 172, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-03-01 14:54:37,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 14:54:37,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 14:54:37,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 14:54:37,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 14:54:37,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 14:54:37,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 14:54:37,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 14:54:37,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 14:54:37,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (1/1) ... [2022-03-01 14:54:37,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:54:37,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:54:37,156 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) [2022-03-01 14:54:37,160 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 [2022-03-01 14:54:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-03-01 14:54:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-03-01 14:54:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-03-01 14:54:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-03-01 14:54:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 14:54:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 14:54:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 14:54:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 14:54:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 14:54:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 14:54:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 14:54:37,210 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 14:54:37,298 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 14:54:37,299 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 14:54:37,410 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 14:54:37,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 14:54:37,416 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 14:54:37,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:54:37 BoogieIcfgContainer [2022-03-01 14:54:37,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 14:54:37,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 14:54:37,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 14:54:37,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 14:54:37,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 02:54:36" (1/3) ... [2022-03-01 14:54:37,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d62baa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:54:37, skipping insertion in model container [2022-03-01 14:54:37,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:54:37" (2/3) ... [2022-03-01 14:54:37,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d62baa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:54:37, skipping insertion in model container [2022-03-01 14:54:37,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:54:37" (3/3) ... [2022-03-01 14:54:37,436 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2022-03-01 14:54:37,439 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 14:54:37,439 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 14:54:37,439 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 14:54:37,439 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 14:54:37,462 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,462 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,462 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,462 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,462 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,463 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,464 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,464 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,464 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,464 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,464 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,464 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,472 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,472 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,472 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,472 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,472 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,474 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,474 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,474 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:37,476 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 14:54:37,504 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 14:54:37,508 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 14:54:37,509 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 14:54:37,515 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 80 transitions, 170 flow [2022-03-01 14:54:37,612 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1716 states, 1712 states have (on average 2.6804906542056073) internal successors, (4589), 1715 states have internal predecessors, (4589), 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) [2022-03-01 14:54:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1712 states have (on average 2.6804906542056073) internal successors, (4589), 1715 states have internal predecessors, (4589), 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) [2022-03-01 14:54:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-01 14:54:37,623 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:54:37,623 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] [2022-03-01 14:54:37,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-01 14:54:37,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:54:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1926868283, now seen corresponding path program 1 times [2022-03-01 14:54:37,634 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:54:37,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464526289] [2022-03-01 14:54:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:54:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:54:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:54:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:54:38,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:54:38,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464526289] [2022-03-01 14:54:38,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464526289] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:54:38,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:54:38,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 14:54:38,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221451603] [2022-03-01 14:54:38,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:54:38,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 14:54:38,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:54:38,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 14:54:38,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-03-01 14:54:38,045 INFO L87 Difference]: Start difference. First operand has 1716 states, 1712 states have (on average 2.6804906542056073) internal successors, (4589), 1715 states have internal predecessors, (4589), 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 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:54:38,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:54:38,245 INFO L93 Difference]: Finished difference Result 1749 states and 4421 transitions. [2022-03-01 14:54:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:54:38,247 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-01 14:54:38,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:54:38,271 INFO L225 Difference]: With dead ends: 1749 [2022-03-01 14:54:38,272 INFO L226 Difference]: Without dead ends: 1505 [2022-03-01 14:54:38,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-03-01 14:54:38,278 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 255 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:54:38,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 447 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:54:38,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2022-03-01 14:54:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1373. [2022-03-01 14:54:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 1370 states have (on average 2.5554744525547446) internal successors, (3501), 1372 states have internal predecessors, (3501), 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) [2022-03-01 14:54:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 3501 transitions. [2022-03-01 14:54:38,393 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 3501 transitions. Word has length 41 [2022-03-01 14:54:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:54:38,393 INFO L470 AbstractCegarLoop]: Abstraction has 1373 states and 3501 transitions. [2022-03-01 14:54:38,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:54:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 3501 transitions. [2022-03-01 14:54:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-01 14:54:38,396 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:54:38,397 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:54:38,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 14:54:38,397 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-01 14:54:38,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:54:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash -2080092778, now seen corresponding path program 1 times [2022-03-01 14:54:38,398 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:54:38,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495649371] [2022-03-01 14:54:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:54:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:54:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 14:54:38,420 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 14:54:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 14:54:38,470 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 14:54:38,470 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 14:54:38,471 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 4 remaining) [2022-03-01 14:54:38,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-03-01 14:54:38,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-03-01 14:54:38,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-03-01 14:54:38,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 14:54:38,485 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-01 14:54:38,486 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 14:54:38,486 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-01 14:54:38,511 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,512 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,513 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,514 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,515 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,516 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,517 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,518 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,518 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,518 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,518 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,519 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,520 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,521 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,522 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,522 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,522 WARN L322 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,522 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,522 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,522 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,523 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,524 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:54:38,524 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 14:54:38,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 14:54:38,526 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 14:54:38,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-01 14:54:38,527 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 101 transitions, 226 flow [2022-03-01 14:54:38,834 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12160 states, 12155 states have (on average 3.5264500205676677) internal successors, (42864), 12159 states have internal predecessors, (42864), 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) [2022-03-01 14:54:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 12160 states, 12155 states have (on average 3.5264500205676677) internal successors, (42864), 12159 states have internal predecessors, (42864), 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) [2022-03-01 14:54:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-01 14:54:38,871 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:54:38,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:54:38,872 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-01 14:54:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:54:38,872 INFO L85 PathProgramCache]: Analyzing trace with hash 51703260, now seen corresponding path program 1 times [2022-03-01 14:54:38,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:54:38,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524245049] [2022-03-01 14:54:38,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:54:38,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:54:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:54:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:54:39,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:54:39,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524245049] [2022-03-01 14:54:39,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524245049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:54:39,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:54:39,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 14:54:39,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876551211] [2022-03-01 14:54:39,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:54:39,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 14:54:39,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:54:39,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 14:54:39,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-03-01 14:54:39,075 INFO L87 Difference]: Start difference. First operand has 12160 states, 12155 states have (on average 3.5264500205676677) internal successors, (42864), 12159 states have internal predecessors, (42864), 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 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:54:39,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:54:39,317 INFO L93 Difference]: Finished difference Result 14440 states and 48669 transitions. [2022-03-01 14:54:39,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:54:39,318 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-01 14:54:39,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:54:39,391 INFO L225 Difference]: With dead ends: 14440 [2022-03-01 14:54:39,391 INFO L226 Difference]: Without dead ends: 12873 [2022-03-01 14:54:39,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-03-01 14:54:39,392 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 315 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:54:39,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 446 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:54:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12873 states. [2022-03-01 14:54:39,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12873 to 11301. [2022-03-01 14:54:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11301 states, 11297 states have (on average 3.4037355050013276) internal successors, (38452), 11300 states have internal predecessors, (38452), 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) [2022-03-01 14:54:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11301 states to 11301 states and 38452 transitions. [2022-03-01 14:54:39,862 INFO L78 Accepts]: Start accepts. Automaton has 11301 states and 38452 transitions. Word has length 41 [2022-03-01 14:54:39,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:54:39,863 INFO L470 AbstractCegarLoop]: Abstraction has 11301 states and 38452 transitions. [2022-03-01 14:54:39,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:54:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11301 states and 38452 transitions. [2022-03-01 14:54:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-01 14:54:39,865 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:54:39,866 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] [2022-03-01 14:54:39,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 14:54:39,866 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-01 14:54:39,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:54:39,867 INFO L85 PathProgramCache]: Analyzing trace with hash -492590774, now seen corresponding path program 1 times [2022-03-01 14:54:39,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:54:39,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791476564] [2022-03-01 14:54:39,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:54:39,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:54:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 14:54:39,906 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 14:54:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 14:54:39,934 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 14:54:39,934 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 14:54:39,935 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-01 14:54:39,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-03-01 14:54:39,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-03-01 14:54:39,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2022-03-01 14:54:39,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-03-01 14:54:39,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 14:54:39,936 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-01 14:54:39,939 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-03-01 14:54:39,939 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 14:54:39,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 02:54:39 BasicIcfg [2022-03-01 14:54:39,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 14:54:39,989 INFO L158 Benchmark]: Toolchain (without parser) took 3260.51ms. Allocated memory was 182.5MB in the beginning and 508.6MB in the end (delta: 326.1MB). Free memory was 124.4MB in the beginning and 347.2MB in the end (delta: -222.8MB). Peak memory consumption was 104.7MB. Max. memory is 8.0GB. [2022-03-01 14:54:39,989 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 14:54:39,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.31ms. Allocated memory was 182.5MB in the beginning and 291.5MB in the end (delta: 109.1MB). Free memory was 124.2MB in the beginning and 253.6MB in the end (delta: -129.4MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-03-01 14:54:39,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.75ms. Allocated memory is still 291.5MB. Free memory was 253.6MB in the beginning and 251.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 14:54:39,990 INFO L158 Benchmark]: Boogie Preprocessor took 14.21ms. Allocated memory is still 291.5MB. Free memory was 251.5MB in the beginning and 250.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 14:54:39,990 INFO L158 Benchmark]: RCFGBuilder took 281.41ms. Allocated memory is still 291.5MB. Free memory was 250.4MB in the beginning and 237.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 14:54:39,990 INFO L158 Benchmark]: TraceAbstraction took 2569.90ms. Allocated memory was 291.5MB in the beginning and 508.6MB in the end (delta: 217.1MB). Free memory was 237.3MB in the beginning and 347.2MB in the end (delta: -109.9MB). Peak memory consumption was 108.7MB. Max. memory is 8.0GB. [2022-03-01 14:54:39,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.31ms. Allocated memory was 182.5MB in the beginning and 291.5MB in the end (delta: 109.1MB). Free memory was 124.2MB in the beginning and 253.6MB in the end (delta: -129.4MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.75ms. Allocated memory is still 291.5MB. Free memory was 253.6MB in the beginning and 251.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.21ms. Allocated memory is still 291.5MB. Free memory was 251.5MB in the beginning and 250.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.41ms. Allocated memory is still 291.5MB. Free memory was 250.4MB in the beginning and 237.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2569.90ms. Allocated memory was 291.5MB in the beginning and 508.6MB in the end (delta: 217.1MB). Free memory was 237.3MB in the beginning and 347.2MB in the end (delta: -109.9MB). Peak memory consumption was 108.7MB. 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 - 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: 690]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L697] 0 volatile int x; VAL [x=0] [L698] 0 volatile int n; VAL [n=0, x=0] [L710] 0 pthread_t t1, t2; VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, n=0, t1={5:0}, t2={3:0}, x=0] [L711] 0 int i; VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, n=0, t1={5:0}, t2={3:0}, x=0] [L712] 0 x = 0 VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, n=0, t1={5:0}, t2={3:0}, x=0] [L713] 0 n = __VERIFIER_nondet_int() VAL [\old(argc)=49, __VERIFIER_nondet_int()=1, argc=49, argv={51:50}, argv={51:50}, n=1, t1={5:0}, t2={3:0}, x=0] [L714] CALL 0 assume_abort_if_not(n > 0) [L686] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, n=1, x=0] [L714] RET 0 assume_abort_if_not(n > 0) [L715] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, n=1, pthread_create(&t1, 0, thr1, 0)=-1, t1={5:0}, t2={3:0}, x=0] [L700] CALL 1 __VERIFIER_assert(x < n) [L716] 0 i = 0 VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, i=0, n=1, t1={5:0}, t2={3:0}, x=0] [L716] COND TRUE 0 i < n VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, i=0, n=1, t1={5:0}, t2={3:0}, x=0] [L717] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [\old(argc)=49, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=0, n=1, pthread_create(&t2, 0, thr2, 0)=0, t1={5:0}, t2={3:0}, x=0] [L704] 2 int t; VAL [arg={0:0}, arg={0:0}, n=1, x=0] [L705] 2 t = x VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=0] [L706] 2 x = t + 1 VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=1] [L689] COND TRUE 1 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, n=1, t=0, x=1] [L690] 1 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, n=1, t=0, x=1] - UnprovableResult [Line: 717]: 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. - UnprovableResult [Line: 715]: 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 5 procedures, 99 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 114 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1716occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 132 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 119 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 315 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 446 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 327 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 129 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12160occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 1 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-03-01 14:54:40,031 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...