/usr/bin/java -Xmx8000000000 -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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:30:24,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:30:24,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:30:24,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:30:24,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:30:24,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:30:24,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:30:24,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:30:24,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:30:24,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:30:24,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:30:24,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:30:24,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:30:24,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:30:24,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:30:24,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:30:24,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:30:24,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:30:24,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:30:24,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:30:24,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:30:24,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:30:24,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:30:24,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:30:24,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:30:24,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:30:24,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:30:24,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:30:24,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:30:24,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:30:24,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:30:24,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:30:24,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:30:24,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:30:24,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:30:24,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:30:24,671 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 [2019-12-19 05:30:24,687 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:30:24,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:30:24,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:30:24,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:30:24,689 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:30:24,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:30:24,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:30:24,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:30:24,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:30:24,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:30:24,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:30:24,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:30:24,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:30:24,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:30:24,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:30:24,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:30:24,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:30:24,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:30:24,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:30:24,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:30:24,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:30:24,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:30:24,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:30:24,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:30:24,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:30:24,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:30:24,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:30:24,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:30:24,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:30:24,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:30:24,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:30:25,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:30:25,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:30:25,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:30:25,012 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:30:25,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2019-12-19 05:30:25,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2212ea18d/1aef7926ba274837b283d9e1aae0889c/FLAGdd1835c83 [2019-12-19 05:30:25,681 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:30:25,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2019-12-19 05:30:25,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2212ea18d/1aef7926ba274837b283d9e1aae0889c/FLAGdd1835c83 [2019-12-19 05:30:25,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2212ea18d/1aef7926ba274837b283d9e1aae0889c [2019-12-19 05:30:25,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:30:25,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:30:25,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:30:25,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:30:25,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:30:25,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:30:25" (1/1) ... [2019-12-19 05:30:25,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317ba546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:25, skipping insertion in model container [2019-12-19 05:30:25,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:30:25" (1/1) ... [2019-12-19 05:30:25,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:30:25,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:30:26,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:30:26,492 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:30:26,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:30:26,625 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:30:26,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26 WrapperNode [2019-12-19 05:30:26,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:30:26,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:30:26,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:30:26,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:30:26,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:30:26,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:30:26,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:30:26,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:30:26,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (1/1) ... [2019-12-19 05:30:26,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:30:26,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:30:26,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:30:26,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:30:26,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (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 [2019-12-19 05:30:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:30:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:30:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:30:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:30:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:30:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:30:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:30:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:30:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:30:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:30:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:30:26,814 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:30:27,166 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:30:27,167 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 05:30:27,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:30:27 BoogieIcfgContainer [2019-12-19 05:30:27,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:30:27,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:30:27,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:30:27,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:30:27,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:30:25" (1/3) ... [2019-12-19 05:30:27,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce15bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:30:27, skipping insertion in model container [2019-12-19 05:30:27,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:30:26" (2/3) ... [2019-12-19 05:30:27,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce15bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:30:27, skipping insertion in model container [2019-12-19 05:30:27,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:30:27" (3/3) ... [2019-12-19 05:30:27,178 INFO L109 eAbstractionObserver]: Analyzing ICFG safe033_tso.opt.i [2019-12-19 05:30:27,186 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:30:27,187 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:30:27,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:30:27,196 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:30:27,221 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,222 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,222 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,222 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,223 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,223 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,223 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,223 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,224 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,224 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,224 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,224 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,229 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,229 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,235 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,235 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,235 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,235 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:30:27,251 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-19 05:30:27,269 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:30:27,269 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:30:27,269 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:30:27,269 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:30:27,270 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:30:27,270 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:30:27,270 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:30:27,270 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:30:27,281 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 42 transitions [2019-12-19 05:30:27,309 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 286 states. [2019-12-19 05:30:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states. [2019-12-19 05:30:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-19 05:30:27,322 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:30:27,323 INFO L411 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] [2019-12-19 05:30:27,324 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:30:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:30:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1089356926, now seen corresponding path program 1 times [2019-12-19 05:30:27,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:30:27,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824783239] [2019-12-19 05:30:27,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:30:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:30:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:30:27,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824783239] [2019-12-19 05:30:27,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:30:27,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:30:27,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592995761] [2019-12-19 05:30:27,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:30:27,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:30:27,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:30:27,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:30:27,750 INFO L87 Difference]: Start difference. First operand 286 states. Second operand 4 states. [2019-12-19 05:30:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:30:27,830 INFO L93 Difference]: Finished difference Result 287 states and 646 transitions. [2019-12-19 05:30:27,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:30:27,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-12-19 05:30:27,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:30:27,847 INFO L225 Difference]: With dead ends: 287 [2019-12-19 05:30:27,847 INFO L226 Difference]: Without dead ends: 151 [2019-12-19 05:30:27,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:30:27,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-12-19 05:30:27,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-12-19 05:30:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-12-19 05:30:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 325 transitions. [2019-12-19 05:30:27,900 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 325 transitions. Word has length 25 [2019-12-19 05:30:27,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:30:27,901 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 325 transitions. [2019-12-19 05:30:27,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:30:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 325 transitions. [2019-12-19 05:30:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:30:27,904 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:30:27,904 INFO L411 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] [2019-12-19 05:30:27,904 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:30:27,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:30:27,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1304029566, now seen corresponding path program 1 times [2019-12-19 05:30:27,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:30:27,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348178844] [2019-12-19 05:30:27,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:30:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:30:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:30:28,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348178844] [2019-12-19 05:30:28,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:30:28,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:30:28,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821420339] [2019-12-19 05:30:28,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:30:28,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:30:28,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:30:28,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:30:28,055 INFO L87 Difference]: Start difference. First operand 151 states and 325 transitions. Second operand 5 states. [2019-12-19 05:30:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:30:28,113 INFO L93 Difference]: Finished difference Result 124 states and 241 transitions. [2019-12-19 05:30:28,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:30:28,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-19 05:30:28,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:30:28,115 INFO L225 Difference]: With dead ends: 124 [2019-12-19 05:30:28,115 INFO L226 Difference]: Without dead ends: 109 [2019-12-19 05:30:28,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:30:28,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-12-19 05:30:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-12-19 05:30:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-12-19 05:30:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 213 transitions. [2019-12-19 05:30:28,128 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 213 transitions. Word has length 26 [2019-12-19 05:30:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:30:28,129 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 213 transitions. [2019-12-19 05:30:28,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:30:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2019-12-19 05:30:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-19 05:30:28,130 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:30:28,130 INFO L411 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] [2019-12-19 05:30:28,131 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:30:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:30:28,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1282594191, now seen corresponding path program 1 times [2019-12-19 05:30:28,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:30:28,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400213708] [2019-12-19 05:30:28,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:30:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:30:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:30:28,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400213708] [2019-12-19 05:30:28,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:30:28,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:30:28,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818744960] [2019-12-19 05:30:28,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:30:28,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:30:28,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:30:28,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:30:28,265 INFO L87 Difference]: Start difference. First operand 109 states and 213 transitions. Second operand 6 states. [2019-12-19 05:30:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:30:28,358 INFO L93 Difference]: Finished difference Result 163 states and 330 transitions. [2019-12-19 05:30:28,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:30:28,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-12-19 05:30:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:30:28,360 INFO L225 Difference]: With dead ends: 163 [2019-12-19 05:30:28,360 INFO L226 Difference]: Without dead ends: 94 [2019-12-19 05:30:28,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-19 05:30:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-12-19 05:30:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-12-19 05:30:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-12-19 05:30:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 183 transitions. [2019-12-19 05:30:28,370 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 183 transitions. Word has length 27 [2019-12-19 05:30:28,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:30:28,370 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 183 transitions. [2019-12-19 05:30:28,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:30:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2019-12-19 05:30:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-19 05:30:28,372 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:30:28,372 INFO L411 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] [2019-12-19 05:30:28,372 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:30:28,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:30:28,373 INFO L82 PathProgramCache]: Analyzing trace with hash -927934843, now seen corresponding path program 2 times [2019-12-19 05:30:28,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:30:28,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080723040] [2019-12-19 05:30:28,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:30:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:30:28,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:30:28,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080723040] [2019-12-19 05:30:28,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:30:28,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:30:28,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513230780] [2019-12-19 05:30:28,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:30:28,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:30:28,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:30:28,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:30:28,561 INFO L87 Difference]: Start difference. First operand 94 states and 183 transitions. Second operand 7 states. [2019-12-19 05:30:28,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:30:28,706 INFO L93 Difference]: Finished difference Result 76 states and 141 transitions. [2019-12-19 05:30:28,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:30:28,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-12-19 05:30:28,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:30:28,707 INFO L225 Difference]: With dead ends: 76 [2019-12-19 05:30:28,707 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 05:30:28,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:30:28,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 05:30:28,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 05:30:28,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 05:30:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 05:30:28,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-12-19 05:30:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:30:28,709 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 05:30:28,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:30:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 05:30:28,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 05:30:28,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:30:28 BasicIcfg [2019-12-19 05:30:28,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:30:28,718 INFO L168 Benchmark]: Toolchain (without parser) took 2804.41 ms. Allocated memory was 146.3 MB in the beginning and 234.4 MB in the end (delta: 88.1 MB). Free memory was 102.4 MB in the beginning and 139.4 MB in the end (delta: -37.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,719 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.79 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 160.4 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.85 ms. Allocated memory is still 202.9 MB. Free memory was 160.4 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,722 INFO L168 Benchmark]: Boogie Preprocessor took 52.55 ms. Allocated memory is still 202.9 MB. Free memory was 158.4 MB in the beginning and 157.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,723 INFO L168 Benchmark]: RCFGBuilder took 423.42 ms. Allocated memory is still 202.9 MB. Free memory was 157.1 MB in the beginning and 138.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,724 INFO L168 Benchmark]: TraceAbstraction took 1545.44 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 138.5 MB in the beginning and 139.4 MB in the end (delta: -899.8 kB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:30:28,729 INFO L335 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 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.79 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 160.4 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.85 ms. Allocated memory is still 202.9 MB. Free memory was 160.4 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.55 ms. Allocated memory is still 202.9 MB. Free memory was 158.4 MB in the beginning and 157.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 423.42 ms. Allocated memory is still 202.9 MB. Free memory was 157.1 MB in the beginning and 138.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1545.44 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 138.5 MB in the beginning and 139.4 MB in the end (delta: -899.8 kB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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, 42 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 144 SDtfs, 132 SDslu, 330 SDs, 0 SdLazy, 51 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 6799 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...