/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/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 15:08:53,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 15:08:53,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 15:08:53,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 15:08:53,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 15:08:53,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 15:08:53,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 15:08:53,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 15:08:53,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 15:08:53,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 15:08:53,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 15:08:53,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 15:08:53,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 15:08:53,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 15:08:53,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 15:08:53,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 15:08:53,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 15:08:53,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 15:08:53,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 15:08:53,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 15:08:53,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 15:08:53,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 15:08:53,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 15:08:53,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 15:08:53,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 15:08:53,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 15:08:53,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 15:08:53,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 15:08:53,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 15:08:53,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 15:08:53,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 15:08:53,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 15:08:53,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 15:08:53,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 15:08:53,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 15:08:53,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 15:08:53,762 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 15:08:53,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 15:08:53,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 15:08:53,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 15:08:53,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 15:08:53,778 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 15:08:53,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 15:08:53,779 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 15:08:53,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 15:08:53,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 15:08:53,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 15:08:53,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 15:08:53,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 15:08:53,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 15:08:53,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 15:08:53,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 15:08:53,780 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 15:08:53,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 15:08:53,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 15:08:53,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 15:08:53,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 15:08:53,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 15:08:53,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 15:08:53,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 15:08:53,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 15:08:53,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 15:08:53,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 15:08:53,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 15:08:53,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 15:08:53,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 15:08:53,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 15:08:54,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 15:08:54,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 15:08:54,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 15:08:54,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 15:08:54,070 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 15:08:54,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2019-12-18 15:08:54,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb0c7d6b/79e6bc8f71b64a32b679fc2d5d90218e/FLAGadd20d1a0 [2019-12-18 15:08:54,711 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 15:08:54,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2019-12-18 15:08:54,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb0c7d6b/79e6bc8f71b64a32b679fc2d5d90218e/FLAGadd20d1a0 [2019-12-18 15:08:54,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb0c7d6b/79e6bc8f71b64a32b679fc2d5d90218e [2019-12-18 15:08:54,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 15:08:54,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 15:08:54,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 15:08:54,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 15:08:54,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 15:08:54,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:08:54" (1/1) ... [2019-12-18 15:08:54,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7398fa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:54, skipping insertion in model container [2019-12-18 15:08:54,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:08:54" (1/1) ... [2019-12-18 15:08:55,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 15:08:55,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 15:08:55,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:08:55,538 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 15:08:55,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:08:55,671 INFO L208 MainTranslator]: Completed translation [2019-12-18 15:08:55,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55 WrapperNode [2019-12-18 15:08:55,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 15:08:55,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 15:08:55,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 15:08:55,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 15:08:55,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 15:08:55,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 15:08:55,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 15:08:55,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 15:08:55,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (1/1) ... [2019-12-18 15:08:55,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 15:08:55,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 15:08:55,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 15:08:55,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 15:08:55,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (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 15:08:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 15:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 15:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 15:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 15:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 15:08:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 15:08:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 15:08:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 15:08:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 15:08:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 15:08:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 15:08:55,817 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 15:08:56,167 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 15:08:56,168 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 15:08:56,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:08:56 BoogieIcfgContainer [2019-12-18 15:08:56,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 15:08:56,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 15:08:56,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 15:08:56,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 15:08:56,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:08:54" (1/3) ... [2019-12-18 15:08:56,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b6a424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:08:56, skipping insertion in model container [2019-12-18 15:08:56,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:08:55" (2/3) ... [2019-12-18 15:08:56,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b6a424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:08:56, skipping insertion in model container [2019-12-18 15:08:56,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:08:56" (3/3) ... [2019-12-18 15:08:56,178 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2019-12-18 15:08:56,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 15:08:56,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 15:08:56,197 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 15:08:56,198 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 15:08:56,224 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,225 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,225 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,226 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,226 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,226 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,227 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,227 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,227 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,228 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,228 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,228 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,232 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,233 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,233 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,233 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,240 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,240 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,240 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,241 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:08:56,262 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 15:08:56,280 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 15:08:56,280 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 15:08:56,281 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 15:08:56,281 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 15:08:56,281 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 15:08:56,281 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 15:08:56,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 15:08:56,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 15:08:56,296 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 41 transitions [2019-12-18 15:08:56,298 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-18 15:08:56,333 INFO L126 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-18 15:08:56,333 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:08:56,339 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/43 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 15:08:56,342 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-18 15:08:56,356 INFO L126 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-18 15:08:56,357 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:08:56,358 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/43 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 15:08:56,360 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-18 15:08:56,361 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 15:08:57,775 INFO L206 etLargeBlockEncoding]: Checked pairs total: 240 [2019-12-18 15:08:57,776 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-18 15:08:57,779 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-18 15:08:57,789 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-18 15:08:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-18 15:08:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 15:08:57,797 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:08:57,797 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 15:08:57,798 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:08:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:08:57,803 INFO L82 PathProgramCache]: Analyzing trace with hash 154345442, now seen corresponding path program 1 times [2019-12-18 15:08:57,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:08:57,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140859800] [2019-12-18 15:08:57,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:08:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:08:58,018 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 15:08:58,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140859800] [2019-12-18 15:08:58,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:08:58,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 15:08:58,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48041104] [2019-12-18 15:08:58,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:08:58,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:08:58,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:08:58,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:08:58,048 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-18 15:08:58,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:08:58,076 INFO L93 Difference]: Finished difference Result 21 states and 33 transitions. [2019-12-18 15:08:58,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:08:58,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 15:08:58,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:08:58,089 INFO L225 Difference]: With dead ends: 21 [2019-12-18 15:08:58,089 INFO L226 Difference]: Without dead ends: 13 [2019-12-18 15:08:58,090 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 15:08:58,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-18 15:08:58,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-18 15:08:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-18 15:08:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-12-18 15:08:58,127 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 5 [2019-12-18 15:08:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:08:58,127 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-18 15:08:58,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:08:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2019-12-18 15:08:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 15:08:58,128 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:08:58,128 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 15:08:58,129 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:08:58,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:08:58,129 INFO L82 PathProgramCache]: Analyzing trace with hash 489765407, now seen corresponding path program 1 times [2019-12-18 15:08:58,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:08:58,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863226252] [2019-12-18 15:08:58,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:08:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:08:58,181 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 15:08:58,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863226252] [2019-12-18 15:08:58,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:08:58,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:08:58,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267294631] [2019-12-18 15:08:58,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:08:58,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:08:58,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:08:58,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:08:58,185 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand 3 states. [2019-12-18 15:08:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:08:58,196 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-12-18 15:08:58,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:08:58,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-18 15:08:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:08:58,198 INFO L225 Difference]: With dead ends: 14 [2019-12-18 15:08:58,198 INFO L226 Difference]: Without dead ends: 13 [2019-12-18 15:08:58,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:08:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-18 15:08:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-12-18 15:08:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-18 15:08:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-12-18 15:08:58,202 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6 [2019-12-18 15:08:58,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:08:58,202 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-12-18 15:08:58,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:08:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-18 15:08:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 15:08:58,203 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:08:58,203 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 15:08:58,204 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:08:58,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:08:58,204 INFO L82 PathProgramCache]: Analyzing trace with hash 489741134, now seen corresponding path program 1 times [2019-12-18 15:08:58,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:08:58,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191101220] [2019-12-18 15:08:58,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:08:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:08:58,261 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 15:08:58,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191101220] [2019-12-18 15:08:58,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:08:58,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:08:58,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828331851] [2019-12-18 15:08:58,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:08:58,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:08:58,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:08:58,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:08:58,265 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-12-18 15:08:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:08:58,274 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-12-18 15:08:58,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:08:58,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-18 15:08:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:08:58,275 INFO L225 Difference]: With dead ends: 10 [2019-12-18 15:08:58,275 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 15:08:58,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:08:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 15:08:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 15:08:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 15:08:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 15:08:58,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-12-18 15:08:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:08:58,277 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 15:08:58,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:08:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 15:08:58,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 15:08:58,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:08:58 BasicIcfg [2019-12-18 15:08:58,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 15:08:58,285 INFO L168 Benchmark]: Toolchain (without parser) took 3295.23 ms. Allocated memory was 138.9 MB in the beginning and 245.4 MB in the end (delta: 106.4 MB). Free memory was 102.4 MB in the beginning and 190.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-12-18 15:08:58,286 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-18 15:08:58,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.42 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 159.8 MB in the end (delta: -57.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-12-18 15:08:58,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 203.9 MB. Free memory was 159.8 MB in the beginning and 157.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-18 15:08:58,288 INFO L168 Benchmark]: Boogie Preprocessor took 25.52 ms. Allocated memory is still 203.9 MB. Free memory was 157.2 MB in the beginning and 155.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 15:08:58,289 INFO L168 Benchmark]: RCFGBuilder took 421.63 ms. Allocated memory is still 203.9 MB. Free memory was 155.8 MB in the beginning and 137.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-12-18 15:08:58,290 INFO L168 Benchmark]: TraceAbstraction took 2110.95 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 137.3 MB in the beginning and 190.7 MB in the end (delta: -53.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 15:08:58,294 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.42 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 159.8 MB in the end (delta: -57.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 203.9 MB. Free memory was 159.8 MB in the beginning and 157.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.52 ms. Allocated memory is still 203.9 MB. Free memory was 157.2 MB in the beginning and 155.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.63 ms. Allocated memory is still 203.9 MB. Free memory was 155.8 MB in the beginning and 137.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2110.95 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 137.3 MB in the beginning and 190.7 MB in the end (delta: -53.4 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, 47 ProgramPointsBefore, 15 ProgramPointsAfterwards, 41 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 12 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 240 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, 41 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 3 SDslu, 9 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 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...