/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 14:33:29,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 14:33:29,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 14:33:29,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 14:33:29,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 14:33:29,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 14:33:29,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 14:33:29,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 14:33:29,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 14:33:29,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 14:33:29,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 14:33:29,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 14:33:29,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 14:33:29,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 14:33:29,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 14:33:29,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 14:33:29,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 14:33:29,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 14:33:29,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 14:33:29,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 14:33:29,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 14:33:29,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 14:33:29,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 14:33:29,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 14:33:29,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 14:33:29,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 14:33:29,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 14:33:29,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 14:33:29,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 14:33:29,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 14:33:29,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 14:33:29,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 14:33:29,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 14:33:29,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 14:33:29,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 14:33:29,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 14:33:29,451 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 [2019-12-18 14:33:29,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 14:33:29,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 14:33:29,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 14:33:29,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 14:33:29,468 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 14:33:29,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 14:33:29,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 14:33:29,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 14:33:29,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 14:33:29,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 14:33:29,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 14:33:29,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 14:33:29,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 14:33:29,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 14:33:29,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 14:33:29,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 14:33:29,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 14:33:29,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 14:33:29,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 14:33:29,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 14:33:29,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 14:33:29,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:33:29,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 14:33:29,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 14:33:29,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 14:33:29,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 14:33:29,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 14:33:29,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 14:33:29,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 14:33:29,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 14:33:29,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 14:33:29,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 14:33:29,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 14:33:29,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 14:33:29,786 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 14:33:29,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.opt.i [2019-12-18 14:33:29,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0897e5e7/01c34783061e4da495545a34f4494024/FLAGb2f2f2bb8 [2019-12-18 14:33:30,420 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 14:33:30,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.opt.i [2019-12-18 14:33:30,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0897e5e7/01c34783061e4da495545a34f4494024/FLAGb2f2f2bb8 [2019-12-18 14:33:30,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0897e5e7/01c34783061e4da495545a34f4494024 [2019-12-18 14:33:30,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 14:33:30,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 14:33:30,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 14:33:30,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 14:33:30,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 14:33:30,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:33:30" (1/1) ... [2019-12-18 14:33:30,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d1899d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:30, skipping insertion in model container [2019-12-18 14:33:30,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:33:30" (1/1) ... [2019-12-18 14:33:30,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 14:33:30,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 14:33:31,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:33:31,349 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 14:33:31,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:33:31,502 INFO L208 MainTranslator]: Completed translation [2019-12-18 14:33:31,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31 WrapperNode [2019-12-18 14:33:31,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 14:33:31,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 14:33:31,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 14:33:31,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 14:33:31,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 14:33:31,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 14:33:31,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 14:33:31,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 14:33:31,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (1/1) ... [2019-12-18 14:33:31,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 14:33:31,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 14:33:31,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 14:33:31,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 14:33:31,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (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 [2019-12-18 14:33:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 14:33:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 14:33:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 14:33:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 14:33:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 14:33:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 14:33:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 14:33:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 14:33:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 14:33:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 14:33:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 14:33:31,650 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 14:33:31,978 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 14:33:31,979 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 14:33:31,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:33:31 BoogieIcfgContainer [2019-12-18 14:33:31,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 14:33:31,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 14:33:31,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 14:33:31,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 14:33:31,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:33:30" (1/3) ... [2019-12-18 14:33:31,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba36535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:33:31, skipping insertion in model container [2019-12-18 14:33:31,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:33:31" (2/3) ... [2019-12-18 14:33:31,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba36535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:33:31, skipping insertion in model container [2019-12-18 14:33:31,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:33:31" (3/3) ... [2019-12-18 14:33:31,989 INFO L109 eAbstractionObserver]: Analyzing ICFG safe006_pso.opt.i [2019-12-18 14:33:31,998 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 14:33:31,998 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 14:33:32,006 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 14:33:32,007 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 14:33:32,032 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,033 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,033 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,034 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,037 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,038 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,038 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,038 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,039 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,039 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,039 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,039 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,048 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,048 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,048 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,049 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,059 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,060 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,060 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,060 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:33:32,076 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 14:33:32,095 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 14:33:32,095 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 14:33:32,096 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 14:33:32,096 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 14:33:32,096 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 14:33:32,096 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 14:33:32,096 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 14:33:32,097 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 14:33:32,110 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions [2019-12-18 14:33:32,112 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-18 14:33:32,149 INFO L126 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-18 14:33:32,150 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:33:32,155 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 14:33:32,159 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-18 14:33:32,175 INFO L126 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-18 14:33:32,175 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:33:32,177 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 14:33:32,179 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-18 14:33:32,180 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 14:33:33,560 INFO L206 etLargeBlockEncoding]: Checked pairs total: 271 [2019-12-18 14:33:33,560 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-18 14:33:33,564 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-18 14:33:33,573 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-18 14:33:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-18 14:33:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 14:33:33,582 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:33:33,583 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 14:33:33,583 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:33:33,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:33:33,588 INFO L82 PathProgramCache]: Analyzing trace with hash 608072787, now seen corresponding path program 1 times [2019-12-18 14:33:33,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:33:33,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419358630] [2019-12-18 14:33:33,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:33:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:33:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:33:33,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419358630] [2019-12-18 14:33:33,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:33:33,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:33:33,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119455511] [2019-12-18 14:33:33,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:33:33,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:33:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:33:33,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:33:33,834 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-18 14:33:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:33:33,873 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-18 14:33:33,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:33:33,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-18 14:33:33,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:33:33,885 INFO L225 Difference]: With dead ends: 20 [2019-12-18 14:33:33,885 INFO L226 Difference]: Without dead ends: 16 [2019-12-18 14:33:33,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:33:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-18 14:33:33,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-18 14:33:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-18 14:33:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-18 14:33:33,922 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-18 14:33:33,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:33:33,923 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-18 14:33:33,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:33:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-18 14:33:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 14:33:33,924 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:33:33,924 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:33:33,924 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:33:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:33:33,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1668374393, now seen corresponding path program 1 times [2019-12-18 14:33:33,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:33:33,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646413776] [2019-12-18 14:33:33,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:33:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:33:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:33:34,026 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646413776] [2019-12-18 14:33:34,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:33:34,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:33:34,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880254187] [2019-12-18 14:33:34,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:33:34,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:33:34,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:33:34,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:33:34,031 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-18 14:33:34,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:33:34,058 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-18 14:33:34,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:33:34,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-18 14:33:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:33:34,059 INFO L225 Difference]: With dead ends: 17 [2019-12-18 14:33:34,060 INFO L226 Difference]: Without dead ends: 11 [2019-12-18 14:33:34,061 INFO L631 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 [2019-12-18 14:33:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-18 14:33:34,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-18 14:33:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-18 14:33:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-12-18 14:33:34,064 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2019-12-18 14:33:34,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:33:34,064 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-12-18 14:33:34,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:33:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-12-18 14:33:34,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 14:33:34,065 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:33:34,065 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:33:34,065 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:33:34,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:33:34,066 INFO L82 PathProgramCache]: Analyzing trace with hash 242387412, now seen corresponding path program 1 times [2019-12-18 14:33:34,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:33:34,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874921184] [2019-12-18 14:33:34,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:33:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:33:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:33:34,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874921184] [2019-12-18 14:33:34,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:33:34,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:33:34,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796558698] [2019-12-18 14:33:34,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:33:34,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:33:34,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:33:34,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:33:34,147 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2019-12-18 14:33:34,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:33:34,166 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-12-18 14:33:34,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:33:34,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-18 14:33:34,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:33:34,167 INFO L225 Difference]: With dead ends: 10 [2019-12-18 14:33:34,168 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 14:33:34,168 INFO L631 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 [2019-12-18 14:33:34,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 14:33:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 14:33:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 14:33:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 14:33:34,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-18 14:33:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:33:34,169 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 14:33:34,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:33:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 14:33:34,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 14:33:34,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 02:33:34 BasicIcfg [2019-12-18 14:33:34,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 14:33:34,176 INFO L168 Benchmark]: Toolchain (without parser) took 3448.26 ms. Allocated memory was 137.4 MB in the beginning and 250.1 MB in the end (delta: 112.7 MB). Free memory was 101.0 MB in the beginning and 198.1 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-12-18 14:33:34,177 INFO L168 Benchmark]: CDTParser took 1.52 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-18 14:33:34,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.82 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 157.1 MB in the end (delta: -56.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-12-18 14:33:34,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.85 ms. Allocated memory is still 201.9 MB. Free memory was 157.1 MB in the beginning and 155.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-18 14:33:34,179 INFO L168 Benchmark]: Boogie Preprocessor took 27.38 ms. Allocated memory is still 201.9 MB. Free memory was 155.0 MB in the beginning and 153.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 14:33:34,180 INFO L168 Benchmark]: RCFGBuilder took 395.56 ms. Allocated memory is still 201.9 MB. Free memory was 153.7 MB in the beginning and 135.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-12-18 14:33:34,181 INFO L168 Benchmark]: TraceAbstraction took 2191.75 ms. Allocated memory was 201.9 MB in the beginning and 250.1 MB in the end (delta: 48.2 MB). Free memory was 134.9 MB in the beginning and 198.1 MB in the end (delta: -63.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 14:33:34,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.82 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 157.1 MB in the end (delta: -56.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.85 ms. Allocated memory is still 201.9 MB. Free memory was 157.1 MB in the beginning and 155.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.38 ms. Allocated memory is still 201.9 MB. Free memory was 155.0 MB in the beginning and 153.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 395.56 ms. Allocated memory is still 201.9 MB. Free memory was 153.7 MB in the beginning and 135.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2191.75 ms. Allocated memory was 201.9 MB in the beginning and 250.1 MB in the end (delta: 48.2 MB). Free memory was 134.9 MB in the beginning and 198.1 MB in the end (delta: -63.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 49 ProgramPointsBefore, 15 ProgramPointsAfterwards, 43 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 271 CheckedPairsTotal, 38 TotalNumberOfCompositions - 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, 43 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 12 SDslu, 8 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...