/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 17:36:11,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 17:36:11,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 17:36:11,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 17:36:11,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 17:36:11,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 17:36:11,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 17:36:11,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 17:36:11,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 17:36:11,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 17:36:11,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 17:36:11,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 17:36:11,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 17:36:11,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 17:36:11,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 17:36:11,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 17:36:11,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 17:36:11,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 17:36:11,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 17:36:11,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 17:36:11,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 17:36:11,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 17:36:11,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 17:36:11,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 17:36:11,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 17:36:11,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 17:36:11,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 17:36:11,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 17:36:11,852 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 [2021-01-26 17:36:11,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 17:36:11,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 17:36:11,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 17:36:11,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 17:36:11,917 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 17:36:11,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 17:36:11,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 17:36:11,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 17:36:11,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 17:36:11,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 17:36:11,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 17:36:11,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 17:36:11,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 17:36:11,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 17:36:11,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 17:36:11,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 17:36:11,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 17:36:11,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 17:36:11,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 17:36:11,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 17:36:11,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 17:36:11,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 17:36:11,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 17:36:11,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 17:36:11,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 17:36:11,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 17:36:11,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 17:36:11,924 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 17:36:11,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 17:36:11,924 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 17:36:11,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 17:36:12,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 17:36:12,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 17:36:12,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 17:36:12,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 17:36:12,345 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 17:36:12,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.opt.i [2021-01-26 17:36:12,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a87c02c/1ea95b758b2144dfbcf57d225c7aa8b6/FLAG7d3b3747a [2021-01-26 17:36:13,088 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 17:36:13,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.opt.i [2021-01-26 17:36:13,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a87c02c/1ea95b758b2144dfbcf57d225c7aa8b6/FLAG7d3b3747a [2021-01-26 17:36:13,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a87c02c/1ea95b758b2144dfbcf57d225c7aa8b6 [2021-01-26 17:36:13,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 17:36:13,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 17:36:13,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 17:36:13,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 17:36:13,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 17:36:13,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:36:13" (1/1) ... [2021-01-26 17:36:13,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a968cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:13, skipping insertion in model container [2021-01-26 17:36:13,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:36:13" (1/1) ... [2021-01-26 17:36:13,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 17:36:13,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 17:36:13,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:36:13,987 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 17:36:14,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:36:14,169 INFO L208 MainTranslator]: Completed translation [2021-01-26 17:36:14,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14 WrapperNode [2021-01-26 17:36:14,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 17:36:14,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 17:36:14,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 17:36:14,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 17:36:14,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 17:36:14,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 17:36:14,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 17:36:14,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 17:36:14,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (1/1) ... [2021-01-26 17:36:14,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 17:36:14,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 17:36:14,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 17:36:14,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 17:36:14,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (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 [2021-01-26 17:36:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 17:36:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 17:36:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 17:36:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 17:36:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 17:36:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 17:36:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 17:36:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 17:36:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 17:36:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 17:36:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 17:36:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 17:36:14,407 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 17:36:14,904 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 17:36:14,905 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 17:36:14,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:36:14 BoogieIcfgContainer [2021-01-26 17:36:14,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 17:36:14,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 17:36:14,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 17:36:14,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 17:36:14,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:36:13" (1/3) ... [2021-01-26 17:36:14,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd32514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:36:14, skipping insertion in model container [2021-01-26 17:36:14,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:36:14" (2/3) ... [2021-01-26 17:36:14,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd32514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:36:14, skipping insertion in model container [2021-01-26 17:36:14,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:36:14" (3/3) ... [2021-01-26 17:36:14,918 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_pso.opt.i [2021-01-26 17:36:14,936 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 17:36:14,936 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 17:36:14,940 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 17:36:14,941 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 17:36:14,979 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,980 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,980 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,980 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,980 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,980 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,981 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,981 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,984 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,984 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,985 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,985 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,999 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:14,999 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:36:15,004 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 17:36:15,016 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-26 17:36:15,040 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 17:36:15,040 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 17:36:15,040 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 17:36:15,040 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 17:36:15,041 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 17:36:15,041 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 17:36:15,041 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 17:36:15,041 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 17:36:15,053 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 65 transitions, 140 flow [2021-01-26 17:36:15,154 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 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) [2021-01-26 17:36:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 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) [2021-01-26 17:36:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-26 17:36:15,193 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:36:15,194 INFO L504 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] [2021-01-26 17:36:15,195 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:36:15,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:36:15,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1361290816, now seen corresponding path program 1 times [2021-01-26 17:36:15,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:36:15,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051112269] [2021-01-26 17:36:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:36:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:36:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:36:15,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051112269] [2021-01-26 17:36:15,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:36:15,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:36:15,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341142501] [2021-01-26 17:36:15,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:36:15,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:36:15,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:36:15,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:36:15,701 INFO L87 Difference]: Start difference. First operand has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 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 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-01-26 17:36:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:36:16,044 INFO L93 Difference]: Finished difference Result 1116 states and 2790 transitions. [2021-01-26 17:36:16,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-26 17:36:16,046 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 37 [2021-01-26 17:36:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:36:16,068 INFO L225 Difference]: With dead ends: 1116 [2021-01-26 17:36:16,068 INFO L226 Difference]: Without dead ends: 574 [2021-01-26 17:36:16,070 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:36:16,070 INFO L78 Accepts]: Start accepts. Automaton has 574 states. Word has length 37 [2021-01-26 17:36:16,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:36:16,072 INFO L481 AbstractCegarLoop]: Abstraction has 574 states. [2021-01-26 17:36:16,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-01-26 17:36:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states. [2021-01-26 17:36:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-26 17:36:16,079 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:36:16,080 INFO L504 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] [2021-01-26 17:36:16,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 17:36:16,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:36:16,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:36:16,081 INFO L82 PathProgramCache]: Analyzing trace with hash 160702942, now seen corresponding path program 1 times [2021-01-26 17:36:16,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:36:16,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739158005] [2021-01-26 17:36:16,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:36:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:36:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:36:16,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739158005] [2021-01-26 17:36:16,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:36:16,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:36:16,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756053389] [2021-01-26 17:36:16,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:36:16,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:36:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:36:16,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:36:16,382 INFO L87 Difference]: Start difference. First operand 574 states. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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) [2021-01-26 17:36:16,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:36:16,650 INFO L93 Difference]: Finished difference Result 394 states and 892 transitions. [2021-01-26 17:36:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-26 17:36:16,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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 [2021-01-26 17:36:16,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:36:16,655 INFO L225 Difference]: With dead ends: 394 [2021-01-26 17:36:16,655 INFO L226 Difference]: Without dead ends: 262 [2021-01-26 17:36:16,656 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-01-26 17:36:16,656 INFO L78 Accepts]: Start accepts. Automaton has 262 states. Word has length 41 [2021-01-26 17:36:16,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:36:16,657 INFO L481 AbstractCegarLoop]: Abstraction has 262 states. [2021-01-26 17:36:16,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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) [2021-01-26 17:36:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states. [2021-01-26 17:36:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-26 17:36:16,659 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:36:16,660 INFO L504 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] [2021-01-26 17:36:16,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 17:36:16,660 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:36:16,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:36:16,661 INFO L82 PathProgramCache]: Analyzing trace with hash 96714268, now seen corresponding path program 1 times [2021-01-26 17:36:16,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:36:16,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060001290] [2021-01-26 17:36:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:36:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:36:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:36:16,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060001290] [2021-01-26 17:36:16,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:36:16,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:36:16,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460783978] [2021-01-26 17:36:16,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:36:16,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:36:16,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:36:16,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:36:16,854 INFO L87 Difference]: Start difference. First operand 262 states. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-01-26 17:36:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:36:17,016 INFO L93 Difference]: Finished difference Result 383 states and 832 transitions. [2021-01-26 17:36:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:36:17,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45 [2021-01-26 17:36:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:36:17,020 INFO L225 Difference]: With dead ends: 383 [2021-01-26 17:36:17,021 INFO L226 Difference]: Without dead ends: 232 [2021-01-26 17:36:17,021 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:36:17,022 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 45 [2021-01-26 17:36:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:36:17,022 INFO L481 AbstractCegarLoop]: Abstraction has 232 states. [2021-01-26 17:36:17,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-01-26 17:36:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states. [2021-01-26 17:36:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-26 17:36:17,024 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:36:17,025 INFO L504 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] [2021-01-26 17:36:17,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 17:36:17,025 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:36:17,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:36:17,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1383140064, now seen corresponding path program 2 times [2021-01-26 17:36:17,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:36:17,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963291929] [2021-01-26 17:36:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:36:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:36:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:36:17,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963291929] [2021-01-26 17:36:17,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:36:17,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:36:17,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490892281] [2021-01-26 17:36:17,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:36:17,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:36:17,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:36:17,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:36:17,212 INFO L87 Difference]: Start difference. First operand 232 states. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-01-26 17:36:17,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:36:17,387 INFO L93 Difference]: Finished difference Result 196 states and 402 transitions. [2021-01-26 17:36:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:36:17,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45 [2021-01-26 17:36:17,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:36:17,389 INFO L225 Difference]: With dead ends: 196 [2021-01-26 17:36:17,389 INFO L226 Difference]: Without dead ends: 0 [2021-01-26 17:36:17,389 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:36:17,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states. Word has length 45 [2021-01-26 17:36:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:36:17,390 INFO L481 AbstractCegarLoop]: Abstraction has 0 states. [2021-01-26 17:36:17,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-01-26 17:36:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2021-01-26 17:36:17,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-26 17:36:17,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 17:36:17,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:36:17 BasicIcfg [2021-01-26 17:36:17,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 17:36:17,401 INFO L168 Benchmark]: Toolchain (without parser) took 4018.56 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.6 MB in the beginning and 337.0 MB in the end (delta: -60.4 MB). Peak memory consumption was 176.4 MB. Max. memory is 16.0 GB. [2021-01-26 17:36:17,402 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 17:36:17,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.74 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 245.5 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 17:36:17,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.10 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:36:17,406 INFO L168 Benchmark]: Boogie Preprocessor took 68.61 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 284.7 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2021-01-26 17:36:17,413 INFO L168 Benchmark]: RCFGBuilder took 613.74 ms. Allocated memory is still 302.0 MB. Free memory was 284.7 MB in the beginning and 264.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-26 17:36:17,414 INFO L168 Benchmark]: TraceAbstraction took 2487.60 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 263.6 MB in the beginning and 337.0 MB in the end (delta: -73.4 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. [2021-01-26 17:36:17,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 773.74 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 245.5 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.10 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 68.61 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 284.7 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * RCFGBuilder took 613.74 ms. Allocated memory is still 302.0 MB. Free memory was 284.7 MB in the beginning and 264.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2487.60 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 263.6 MB in the beginning and 337.0 MB in the end (delta: -73.4 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 268 SDtfs, 329 SDslu, 927 SDs, 0 SdLazy, 116 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1321occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 16640 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...