/usr/bin/java -Xmx16000000000 -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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:03:56,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:03:56,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:03:56,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 05:03:56,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:03:56,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:03:56,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:03:56,821 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-Sleep-NoLbe-Delay.epf [2021-03-12 05:03:56,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:03:56,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:03:56,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:03:56,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:03:56,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:03:56,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:03:56,853 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:03:56,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:03:56,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:03:56,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:03:56,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:03:56,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:03:56,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:03:56,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:03:56,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:03:56,854 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:03:56,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:03:56,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:03:56,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:03:56,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:03:56,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:03:56,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:03:56,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:03:56,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:03:56,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:03:56,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:03:56,857 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:03:56,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:03:57,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:03:57,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:03:57,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:03:57,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:03:57,103 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:03:57,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2021-03-12 05:03:57,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21df5a823/c53dfae959f44b84a75ea1d19622dcec/FLAG8890987f6 [2021-03-12 05:03:57,526 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:03:57,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2021-03-12 05:03:57,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21df5a823/c53dfae959f44b84a75ea1d19622dcec/FLAG8890987f6 [2021-03-12 05:03:57,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21df5a823/c53dfae959f44b84a75ea1d19622dcec [2021-03-12 05:03:57,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:03:57,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:03:57,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:03:57,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:03:57,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:03:57,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c16837c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57, skipping insertion in model container [2021-03-12 05:03:57,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:03:57,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:03:57,762 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i[949,962] [2021-03-12 05:03:57,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:03:57,852 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:03:57,859 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i[949,962] [2021-03-12 05:03:57,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:03:57,920 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:03:57,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57 WrapperNode [2021-03-12 05:03:57,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:03:57,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:03:57,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:03:57,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:03:57,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:03:57,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:03:57,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:03:57,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:03:57,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... [2021-03-12 05:03:57,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:03:57,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:03:57,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:03:57,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:03:57,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:03:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:03:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:03:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:03:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:03:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:03:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:03:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:03:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:03:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 05:03:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 05:03:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:03:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:03:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:03:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:03:58,033 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 05:03:58,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:03:58,306 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:03:58,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:03:58 BoogieIcfgContainer [2021-03-12 05:03:58,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:03:58,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:03:58,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:03:58,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:03:58,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:03:57" (1/3) ... [2021-03-12 05:03:58,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab2b5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:03:58, skipping insertion in model container [2021-03-12 05:03:58,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:03:57" (2/3) ... [2021-03-12 05:03:58,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab2b5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:03:58, skipping insertion in model container [2021-03-12 05:03:58,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:03:58" (3/3) ... [2021-03-12 05:03:58,312 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.opt.i [2021-03-12 05:03:58,320 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:03:58,321 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:03:58,323 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:03:58,323 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:03:58,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,357 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,357 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,360 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,360 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,361 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,361 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,365 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,365 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,372 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,372 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:03:58,382 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:03:58,394 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 05:03:58,419 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:03:58,419 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:03:58,419 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:03:58,419 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:03:58,419 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:03:58,420 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:03:58,420 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:03:58,420 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 05:03:58,441 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:03:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:03:58,444 INFO L82 PathProgramCache]: Analyzing trace with hash -191771676, now seen corresponding path program 1 times [2021-03-12 05:03:58,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:03:58,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503539279] [2021-03-12 05:03:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:03:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:03:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:03:58,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503539279] [2021-03-12 05:03:58,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:03:58,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:03:58,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887663805] [2021-03-12 05:03:58,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:03:58,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:03:58,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:03:58,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:03:58,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:03:58,732 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:03:58,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-03-12 05:03:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:03:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:03:59,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:03:59,216 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:03:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:03:59,216 INFO L82 PathProgramCache]: Analyzing trace with hash -867372168, now seen corresponding path program 2 times [2021-03-12 05:03:59,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:03:59,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674455357] [2021-03-12 05:03:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:03:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:03:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:03:59,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674455357] [2021-03-12 05:03:59,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:03:59,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:03:59,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524107538] [2021-03-12 05:03:59,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:03:59,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:03:59,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:03:59,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:03:59,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:03:59,327 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:03:59,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-03-12 05:03:59,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:03:59,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:03:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:03:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:03:59,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:03:59,815 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:03:59,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:03:59,816 INFO L82 PathProgramCache]: Analyzing trace with hash 938642936, now seen corresponding path program 3 times [2021-03-12 05:03:59,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:03:59,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457906394] [2021-03-12 05:03:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:03:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:03:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:03:59,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457906394] [2021-03-12 05:03:59,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:03:59,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:03:59,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123997347] [2021-03-12 05:03:59,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:03:59,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:03:59,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:03:59,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:03:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:03:59,960 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:03:59,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2021-03-12 05:03:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:03:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:03:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:04:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:04:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:00,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:04:00,719 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:04:00,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:04:00,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1843682782, now seen corresponding path program 4 times [2021-03-12 05:04:00,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:04:00,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894774982] [2021-03-12 05:04:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:04:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:04:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:04:00,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894774982] [2021-03-12 05:04:00,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:04:00,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:04:00,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263559014] [2021-03-12 05:04:00,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:04:00,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:04:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:04:00,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:04:00,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:04:00,823 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:04:00,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2021-03-12 05:04:00,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:04:00,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:00,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:00,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:04:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:04:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 05:04:01,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 05:04:01,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:04:01 BasicIcfg [2021-03-12 05:04:01,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:04:02,000 INFO L168 Benchmark]: Toolchain (without parser) took 4444.95 ms. Allocated memory was 255.9 MB in the beginning and 627.0 MB in the end (delta: 371.2 MB). Free memory was 235.3 MB in the beginning and 485.3 MB in the end (delta: -250.0 MB). Peak memory consumption was 441.0 MB. Max. memory is 16.0 GB. [2021-03-12 05:04:02,000 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:04:02,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.48 ms. Allocated memory was 255.9 MB in the beginning and 346.0 MB in the end (delta: 90.2 MB). Free memory was 234.7 MB in the beginning and 308.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.0 GB. [2021-03-12 05:04:02,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.04 ms. Allocated memory is still 346.0 MB. Free memory was 308.5 MB in the beginning and 306.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:04:02,001 INFO L168 Benchmark]: Boogie Preprocessor took 13.14 ms. Allocated memory is still 346.0 MB. Free memory was 306.4 MB in the beginning and 304.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:04:02,001 INFO L168 Benchmark]: RCFGBuilder took 330.89 ms. Allocated memory is still 346.0 MB. Free memory was 304.9 MB in the beginning and 282.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:04:02,002 INFO L168 Benchmark]: TraceAbstraction took 3690.98 ms. Allocated memory was 346.0 MB in the beginning and 627.0 MB in the end (delta: 281.0 MB). Free memory was 281.9 MB in the beginning and 485.3 MB in the end (delta: -203.4 MB). Peak memory consumption was 396.7 MB. Max. memory is 16.0 GB. [2021-03-12 05:04:02,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 362.48 ms. Allocated memory was 255.9 MB in the beginning and 346.0 MB in the end (delta: 90.2 MB). Free memory was 234.7 MB in the beginning and 308.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.04 ms. Allocated memory is still 346.0 MB. Free memory was 308.5 MB in the beginning and 306.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.14 ms. Allocated memory is still 346.0 MB. Free memory was 306.4 MB in the beginning and 304.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 330.89 ms. Allocated memory is still 346.0 MB. Free memory was 304.9 MB in the beginning and 282.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3690.98 ms. Allocated memory was 346.0 MB in the beginning and 627.0 MB in the end (delta: 281.0 MB). Free memory was 281.9 MB in the beginning and 485.3 MB in the end (delta: -203.4 MB). Peak memory consumption was 396.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 201344, positive: 192751, positive conditional: 192751, positive unconditional: 0, negative: 8593, negative conditional: 8593, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 194766, positive: 192751, positive conditional: 192751, positive unconditional: 0, negative: 2015, negative conditional: 2015, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 194766, positive: 191586, positive conditional: 0, positive unconditional: 191586, negative: 3180, negative conditional: 0, negative unconditional: 3180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 650, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 650, positive: 632, positive conditional: 0, positive unconditional: 632, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 81, positive conditional: 68, positive unconditional: 14, negative: 85, negative conditional: 29, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 194766, positive: 190950, positive conditional: 0, positive unconditional: 190950, negative: 3166, negative conditional: 0, negative unconditional: 3166, unknown: 650, unknown conditional: 0, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 654, Positive conditional cache size: 18, Positive unconditional cache size: 636, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 81, positive conditional: 68, positive unconditional: 14, negative: 85, negative conditional: 29, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8170, positive: 1147, positive conditional: 1147, positive unconditional: 0, negative: 6993, negative conditional: 211, negative unconditional: 6782, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 654, Positive conditional cache size: 18, Positive unconditional cache size: 636, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 6782, SemanticConditionEliminator.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 81, positive conditional: 68, positive unconditional: 14, negative: 85, negative conditional: 29, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8170, positive: 1147, positive conditional: 1147, positive unconditional: 0, negative: 6993, negative conditional: 211, negative unconditional: 6782, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 654, Positive conditional cache size: 18, Positive unconditional cache size: 636, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 6782, SemanticConditionEliminator.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 81, positive conditional: 68, positive unconditional: 14, negative: 85, negative conditional: 29, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8170, positive: 1147, positive conditional: 1147, positive unconditional: 0, negative: 6993, negative conditional: 211, negative unconditional: 6782, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 654, Positive conditional cache size: 18, Positive unconditional cache size: 636, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 6782, SemanticConditionEliminator.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8170, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 7005, negative conditional: 223, negative unconditional: 6782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 81, positive conditional: 68, positive unconditional: 14, negative: 85, negative conditional: 29, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8170, positive: 1147, positive conditional: 1147, positive unconditional: 0, negative: 6993, negative conditional: 211, negative unconditional: 6782, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 654, Positive conditional cache size: 18, Positive unconditional cache size: 636, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 6782 ], Maximal queried relation: 4, Independence queries for same thread: 6578 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3593.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 2903.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.3ms SsaConstructionTime, 98.0ms SatisfiabilityAnalysisTime, 427.2ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 correct! Received shutdown request...