/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 15:12:23,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 15:12:23,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 15:12:23,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 15:12:23,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 15:12:23,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 15:12:23,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 15:12:23,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 15:12:23,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 15:12:23,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 15:12:23,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 15:12:23,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 15:12:23,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 15:12:23,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 15:12:23,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 15:12:23,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 15:12:23,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 15:12:23,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 15:12:23,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 15:12:23,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 15:12:23,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 15:12:23,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 15:12:23,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 15:12:23,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 15:12:24,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 15:12:24,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 15:12:24,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 15:12:24,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 15:12:24,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 15:12:24,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 15:12:24,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 15:12:24,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 15:12:24,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 15:12:24,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 15:12:24,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 15:12:24,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 15:12:24,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 15:12:24,065 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 15:12:24,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 15:12:24,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 15:12:24,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 15:12:24,068 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 15:12:24,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 15:12:24,068 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 15:12:24,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 15:12:24,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 15:12:24,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 15:12:24,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 15:12:24,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 15:12:24,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 15:12:24,070 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 15:12:24,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 15:12:24,071 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 15:12:24,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 15:12:24,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 15:12:24,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 15:12:24,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 15:12:24,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 15:12:24,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:12:24,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 15:12:24,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 15:12:24,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 15:12:24,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 15:12:24,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 15:12:24,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 15:12:24,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 15:12:24,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 15:12:24,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 15:12:24,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 15:12:24,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 15:12:24,387 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 15:12:24,388 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 15:12:24,389 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.opt.i [2020-10-11 15:12:24,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83d9288a/ddef8cc2efbd4ee68db5af1f38f0500e/FLAG274ac61c9 [2020-10-11 15:12:24,943 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 15:12:24,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.opt.i [2020-10-11 15:12:24,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83d9288a/ddef8cc2efbd4ee68db5af1f38f0500e/FLAG274ac61c9 [2020-10-11 15:12:25,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83d9288a/ddef8cc2efbd4ee68db5af1f38f0500e [2020-10-11 15:12:25,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 15:12:25,285 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 15:12:25,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 15:12:25,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 15:12:25,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 15:12:25,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:12:25" (1/1) ... [2020-10-11 15:12:25,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485c5fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:25, skipping insertion in model container [2020-10-11 15:12:25,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:12:25" (1/1) ... [2020-10-11 15:12:25,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 15:12:25,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 15:12:25,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:12:25,904 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 15:12:25,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:12:26,033 INFO L208 MainTranslator]: Completed translation [2020-10-11 15:12:26,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26 WrapperNode [2020-10-11 15:12:26,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 15:12:26,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 15:12:26,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 15:12:26,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 15:12:26,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 15:12:26,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 15:12:26,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 15:12:26,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 15:12:26,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (1/1) ... [2020-10-11 15:12:26,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 15:12:26,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 15:12:26,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 15:12:26,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 15:12:26,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (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 [2020-10-11 15:12:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 15:12:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 15:12:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 15:12:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 15:12:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 15:12:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 15:12:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 15:12:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 15:12:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 15:12:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 15:12:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 15:12:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 15:12:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 15:12:26,188 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 15:12:26,558 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 15:12:26,558 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 15:12:26,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:12:26 BoogieIcfgContainer [2020-10-11 15:12:26,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 15:12:26,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 15:12:26,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 15:12:26,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 15:12:26,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:12:25" (1/3) ... [2020-10-11 15:12:26,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2959a674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:12:26, skipping insertion in model container [2020-10-11 15:12:26,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:26" (2/3) ... [2020-10-11 15:12:26,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2959a674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:12:26, skipping insertion in model container [2020-10-11 15:12:26,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:12:26" (3/3) ... [2020-10-11 15:12:26,568 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_pso.opt.i [2020-10-11 15:12:26,580 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 15:12:26,580 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 15:12:26,588 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 15:12:26,589 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 15:12:26,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,615 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,616 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,617 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,618 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,619 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,619 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,625 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,631 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,632 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,641 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,641 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:26,657 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-11 15:12:26,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 15:12:26,679 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 15:12:26,680 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 15:12:26,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 15:12:26,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 15:12:26,680 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 15:12:26,680 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 15:12:26,680 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 15:12:26,694 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 15:12:26,697 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-11 15:12:26,700 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-11 15:12:26,702 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-11 15:12:26,745 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-11 15:12:26,745 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 15:12:26,751 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-11 15:12:26,753 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-11 15:12:28,139 INFO L132 LiptonReduction]: Checked pairs total: 2579 [2020-10-11 15:12:28,139 INFO L134 LiptonReduction]: Total number of compositions: 58 [2020-10-11 15:12:28,146 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-11 15:12:28,173 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-11 15:12:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-11 15:12:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 15:12:28,184 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:28,185 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:28,185 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:28,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:28,191 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-11 15:12:28,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:28,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120625843] [2020-10-11 15:12:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:28,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120625843] [2020-10-11 15:12:28,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:28,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:12:28,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719949085] [2020-10-11 15:12:28,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 15:12:28,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:28,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 15:12:28,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:12:28,392 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-11 15:12:28,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:28,432 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-11 15:12:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 15:12:28,434 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-11 15:12:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:28,450 INFO L225 Difference]: With dead ends: 362 [2020-10-11 15:12:28,451 INFO L226 Difference]: Without dead ends: 298 [2020-10-11 15:12:28,452 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:12:28,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-11 15:12:28,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-11 15:12:28,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-11 15:12:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-11 15:12:28,526 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-11 15:12:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:28,527 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-11 15:12:28,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 15:12:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-11 15:12:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-11 15:12:28,529 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:28,530 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:28,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 15:12:28,530 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:28,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:28,531 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-11 15:12:28,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:28,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976217621] [2020-10-11 15:12:28,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:28,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976217621] [2020-10-11 15:12:28,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:28,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:12:28,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162302146] [2020-10-11 15:12:28,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:12:28,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:28,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:12:28,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:12:28,709 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-11 15:12:28,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:28,748 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-11 15:12:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:12:28,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-11 15:12:28,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:28,752 INFO L225 Difference]: With dead ends: 330 [2020-10-11 15:12:28,752 INFO L226 Difference]: Without dead ends: 266 [2020-10-11 15:12:28,753 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-11 15:12:28,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-11 15:12:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-11 15:12:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-11 15:12:28,781 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-11 15:12:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:28,781 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-11 15:12:28,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:12:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-11 15:12:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 15:12:28,784 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:28,784 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:28,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 15:12:28,784 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:28,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:28,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-10-11 15:12:28,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:28,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117966283] [2020-10-11 15:12:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:28,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117966283] [2020-10-11 15:12:28,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:28,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:12:28,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399203896] [2020-10-11 15:12:28,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:12:28,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:28,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:12:28,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:12:28,859 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-10-11 15:12:28,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:28,887 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-10-11 15:12:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:12:28,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-11 15:12:28,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:28,891 INFO L225 Difference]: With dead ends: 290 [2020-10-11 15:12:28,891 INFO L226 Difference]: Without dead ends: 242 [2020-10-11 15:12:28,892 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:28,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-11 15:12:28,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-11 15:12:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-11 15:12:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-10-11 15:12:28,942 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-10-11 15:12:28,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:28,943 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-10-11 15:12:28,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:12:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-10-11 15:12:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 15:12:28,945 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:28,945 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:28,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 15:12:28,946 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:28,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:28,946 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-10-11 15:12:28,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:28,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260504293] [2020-10-11 15:12:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:28,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260504293] [2020-10-11 15:12:28,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:28,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:12:29,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333312320] [2020-10-11 15:12:29,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:12:29,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:12:29,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:12:29,001 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-10-11 15:12:29,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:29,027 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-10-11 15:12:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:12:29,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-11 15:12:29,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:29,030 INFO L225 Difference]: With dead ends: 260 [2020-10-11 15:12:29,030 INFO L226 Difference]: Without dead ends: 224 [2020-10-11 15:12:29,031 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-11 15:12:29,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-11 15:12:29,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-11 15:12:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-10-11 15:12:29,043 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-10-11 15:12:29,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:29,043 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-10-11 15:12:29,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:12:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-10-11 15:12:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 15:12:29,045 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:29,046 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:29,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 15:12:29,046 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:29,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:29,046 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-10-11 15:12:29,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:29,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180134164] [2020-10-11 15:12:29,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:29,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180134164] [2020-10-11 15:12:29,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:29,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:12:29,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902121271] [2020-10-11 15:12:29,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:12:29,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:29,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:12:29,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:29,106 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-10-11 15:12:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:29,154 INFO L93 Difference]: Finished difference Result 281 states and 747 transitions. [2020-10-11 15:12:29,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:12:29,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-11 15:12:29,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:29,157 INFO L225 Difference]: With dead ends: 281 [2020-10-11 15:12:29,157 INFO L226 Difference]: Without dead ends: 158 [2020-10-11 15:12:29,157 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:12:29,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-11 15:12:29,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-11 15:12:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-11 15:12:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 394 transitions. [2020-10-11 15:12:29,164 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 394 transitions. Word has length 12 [2020-10-11 15:12:29,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:29,164 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 394 transitions. [2020-10-11 15:12:29,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:12:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 394 transitions. [2020-10-11 15:12:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 15:12:29,166 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:29,166 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:29,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 15:12:29,166 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:29,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:29,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1491329578, now seen corresponding path program 1 times [2020-10-11 15:12:29,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:29,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755211633] [2020-10-11 15:12:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:29,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755211633] [2020-10-11 15:12:29,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:29,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:12:29,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671252760] [2020-10-11 15:12:29,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:12:29,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:29,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:12:29,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:29,240 INFO L87 Difference]: Start difference. First operand 158 states and 394 transitions. Second operand 5 states. [2020-10-11 15:12:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:29,288 INFO L93 Difference]: Finished difference Result 212 states and 513 transitions. [2020-10-11 15:12:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:12:29,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-11 15:12:29,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:29,290 INFO L225 Difference]: With dead ends: 212 [2020-10-11 15:12:29,290 INFO L226 Difference]: Without dead ends: 98 [2020-10-11 15:12:29,291 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:12:29,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-11 15:12:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-11 15:12:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-11 15:12:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-10-11 15:12:29,295 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-10-11 15:12:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:29,295 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-10-11 15:12:29,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:12:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-10-11 15:12:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 15:12:29,296 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:29,297 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:29,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 15:12:29,297 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:29,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:29,297 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-10-11 15:12:29,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:29,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329759094] [2020-10-11 15:12:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:29,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329759094] [2020-10-11 15:12:29,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:29,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:12:29,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743700064] [2020-10-11 15:12:29,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:12:29,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:29,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:12:29,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:29,348 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-10-11 15:12:29,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:29,388 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-10-11 15:12:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:12:29,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-11 15:12:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:29,389 INFO L225 Difference]: With dead ends: 86 [2020-10-11 15:12:29,389 INFO L226 Difference]: Without dead ends: 0 [2020-10-11 15:12:29,389 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:12:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-11 15:12:29,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-11 15:12:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-11 15:12:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-11 15:12:29,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-11 15:12:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:29,391 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-11 15:12:29,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:12:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-11 15:12:29,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-11 15:12:29,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 15:12:29,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:12:29 BasicIcfg [2020-10-11 15:12:29,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 15:12:29,398 INFO L168 Benchmark]: Toolchain (without parser) took 4112.81 ms. Allocated memory was 248.5 MB in the beginning and 369.1 MB in the end (delta: 120.6 MB). Free memory was 202.8 MB in the beginning and 271.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:29,398 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 15:12:29,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.00 ms. Allocated memory was 248.5 MB in the beginning and 308.3 MB in the end (delta: 59.8 MB). Free memory was 202.8 MB in the beginning and 261.6 MB in the end (delta: -58.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:29,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.43 ms. Allocated memory is still 308.3 MB. Free memory was 261.6 MB in the beginning and 259.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:29,401 INFO L168 Benchmark]: Boogie Preprocessor took 26.70 ms. Allocated memory is still 308.3 MB. Free memory was 259.1 MB in the beginning and 256.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:29,402 INFO L168 Benchmark]: RCFGBuilder took 448.57 ms. Allocated memory is still 308.3 MB. Free memory was 256.6 MB in the beginning and 234.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:29,403 INFO L168 Benchmark]: TraceAbstraction took 2833.83 ms. Allocated memory was 308.3 MB in the beginning and 369.1 MB in the end (delta: 60.8 MB). Free memory was 234.7 MB in the beginning and 271.7 MB in the end (delta: -37.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:29,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 747.00 ms. Allocated memory was 248.5 MB in the beginning and 308.3 MB in the end (delta: 59.8 MB). Free memory was 202.8 MB in the beginning and 261.6 MB in the end (delta: -58.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.43 ms. Allocated memory is still 308.3 MB. Free memory was 261.6 MB in the beginning and 259.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 26.70 ms. Allocated memory is still 308.3 MB. Free memory was 259.1 MB in the beginning and 256.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 448.57 ms. Allocated memory is still 308.3 MB. Free memory was 256.6 MB in the beginning and 234.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2833.83 ms. Allocated memory was 308.3 MB in the beginning and 369.1 MB in the end (delta: 60.8 MB). Free memory was 234.7 MB in the beginning and 271.7 MB in the end (delta: -37.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 879 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 81 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2579 MoverChecksTotal - PositiveResult [Line: 7]: 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 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 156 SDtfs, 155 SDslu, 212 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...