/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/safe004_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-26 23:34:21,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-26 23:34:21,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-26 23:34:21,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-26 23:34:21,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-26 23:34:21,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-26 23:34:21,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-26 23:34:21,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-26 23:34:21,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-26 23:34:21,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-26 23:34:21,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-26 23:34:21,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-26 23:34:21,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-26 23:34:21,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-26 23:34:21,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-26 23:34:21,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-26 23:34:21,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-26 23:34:21,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-26 23:34:21,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-26 23:34:21,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-26 23:34:21,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-26 23:34:21,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-26 23:34:21,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-26 23:34:21,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-26 23:34:21,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-26 23:34:21,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-26 23:34:21,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-26 23:34:21,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-26 23:34:21,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-26 23:34:21,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-26 23:34:21,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-26 23:34:21,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-26 23:34:21,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-26 23:34:21,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-26 23:34:21,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-26 23:34:21,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-26 23:34:21,530 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 [2019-12-26 23:34:21,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-26 23:34:21,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-26 23:34:21,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-26 23:34:21,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-26 23:34:21,564 INFO L138 SettingsManager]: * Use SBE=true [2019-12-26 23:34:21,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-26 23:34:21,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-26 23:34:21,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-26 23:34:21,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-26 23:34:21,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-26 23:34:21,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-26 23:34:21,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-26 23:34:21,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-26 23:34:21,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-26 23:34:21,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-26 23:34:21,568 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-26 23:34:21,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-26 23:34:21,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-26 23:34:21,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-26 23:34:21,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-26 23:34:21,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-26 23:34:21,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-26 23:34:21,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-26 23:34:21,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-26 23:34:21,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-26 23:34:21,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-26 23:34:21,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-26 23:34:21,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-26 23:34:21,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-26 23:34:21,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-26 23:34:21,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-26 23:34:21,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-26 23:34:21,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-26 23:34:21,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-26 23:34:21,901 INFO L275 PluginConnector]: CDTParser initialized [2019-12-26 23:34:21,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i [2019-12-26 23:34:21,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d3f1c9c/9192777fc3ea4862b198cafe99d5c9d0/FLAG51e885a84 [2019-12-26 23:34:22,441 INFO L306 CDTParser]: Found 1 translation units. [2019-12-26 23:34:22,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.opt.i [2019-12-26 23:34:22,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d3f1c9c/9192777fc3ea4862b198cafe99d5c9d0/FLAG51e885a84 [2019-12-26 23:34:22,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d3f1c9c/9192777fc3ea4862b198cafe99d5c9d0 [2019-12-26 23:34:22,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-26 23:34:22,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-26 23:34:22,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-26 23:34:22,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-26 23:34:22,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-26 23:34:22,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:34:22" (1/1) ... [2019-12-26 23:34:22,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e9f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:22, skipping insertion in model container [2019-12-26 23:34:22,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:34:22" (1/1) ... [2019-12-26 23:34:22,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-26 23:34:22,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-26 23:34:23,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:34:23,472 INFO L203 MainTranslator]: Completed pre-run [2019-12-26 23:34:23,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:34:23,611 INFO L208 MainTranslator]: Completed translation [2019-12-26 23:34:23,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23 WrapperNode [2019-12-26 23:34:23,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-26 23:34:23,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-26 23:34:23,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-26 23:34:23,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-26 23:34:23,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-26 23:34:23,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-26 23:34:23,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-26 23:34:23,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-26 23:34:23,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (1/1) ... [2019-12-26 23:34:23,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-26 23:34:23,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-26 23:34:23,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-26 23:34:23,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-26 23:34:23,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (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 [2019-12-26 23:34:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-26 23:34:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-26 23:34:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-26 23:34:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-26 23:34:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-26 23:34:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-26 23:34:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-26 23:34:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-26 23:34:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-26 23:34:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-26 23:34:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-26 23:34:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-26 23:34:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-26 23:34:23,756 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-26 23:34:24,128 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-26 23:34:24,129 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-26 23:34:24,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:34:24 BoogieIcfgContainer [2019-12-26 23:34:24,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-26 23:34:24,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-26 23:34:24,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-26 23:34:24,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-26 23:34:24,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 11:34:22" (1/3) ... [2019-12-26 23:34:24,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cd7c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:34:24, skipping insertion in model container [2019-12-26 23:34:24,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:23" (2/3) ... [2019-12-26 23:34:24,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cd7c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:34:24, skipping insertion in model container [2019-12-26 23:34:24,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:34:24" (3/3) ... [2019-12-26 23:34:24,138 INFO L109 eAbstractionObserver]: Analyzing ICFG safe004_tso.opt.i [2019-12-26 23:34:24,148 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-26 23:34:24,148 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-26 23:34:24,154 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-26 23:34:24,155 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-26 23:34:24,181 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,181 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,182 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,182 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,182 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,183 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,183 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,184 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,184 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,184 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,185 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,185 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,185 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,185 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,186 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,186 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,190 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,190 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,191 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,191 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,196 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,197 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,197 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,197 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,207 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,208 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,208 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,208 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:24,221 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-26 23:34:24,236 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 23:34:24,236 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 23:34:24,236 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 23:34:24,236 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 23:34:24,237 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 23:34:24,237 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 23:34:24,237 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 23:34:24,237 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 23:34:24,249 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-12-26 23:34:24,251 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-26 23:34:24,290 INFO L132 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-26 23:34:24,291 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:34:24,298 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/48 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-26 23:34:24,301 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-26 23:34:24,321 INFO L132 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-26 23:34:24,321 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:34:24,323 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/48 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-26 23:34:24,325 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-26 23:34:24,326 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 23:34:25,911 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-12-26 23:34:26,072 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-26 23:34:26,147 INFO L206 etLargeBlockEncoding]: Checked pairs total: 483 [2019-12-26 23:34:26,147 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-12-26 23:34:26,151 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-12-26 23:34:26,169 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-12-26 23:34:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-12-26 23:34:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-26 23:34:26,180 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:34:26,181 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:34:26,181 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:34:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:34:26,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1980902298, now seen corresponding path program 1 times [2019-12-26 23:34:26,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:34:26,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296822879] [2019-12-26 23:34:26,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:34:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:34:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:34:26,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296822879] [2019-12-26 23:34:26,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:34:26,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-26 23:34:26,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448177488] [2019-12-26 23:34:26,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:34:26,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:34:26,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:34:26,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:34:26,429 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2019-12-26 23:34:26,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:34:26,462 INFO L93 Difference]: Finished difference Result 52 states and 109 transitions. [2019-12-26 23:34:26,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:34:26,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-26 23:34:26,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:34:26,475 INFO L225 Difference]: With dead ends: 52 [2019-12-26 23:34:26,476 INFO L226 Difference]: Without dead ends: 28 [2019-12-26 23:34:26,477 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 [2019-12-26 23:34:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-26 23:34:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-26 23:34:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-26 23:34:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 49 transitions. [2019-12-26 23:34:26,516 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 49 transitions. Word has length 7 [2019-12-26 23:34:26,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:34:26,516 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 49 transitions. [2019-12-26 23:34:26,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:34:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2019-12-26 23:34:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-26 23:34:26,517 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:34:26,517 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:34:26,518 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:34:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:34:26,518 INFO L82 PathProgramCache]: Analyzing trace with hash -889565550, now seen corresponding path program 1 times [2019-12-26 23:34:26,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:34:26,519 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021734585] [2019-12-26 23:34:26,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:34:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:34:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:34:26,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021734585] [2019-12-26 23:34:26,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:34:26,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:34:26,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685227322] [2019-12-26 23:34:26,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:34:26,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:34:26,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:34:26,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:34:26,654 INFO L87 Difference]: Start difference. First operand 28 states and 49 transitions. Second operand 3 states. [2019-12-26 23:34:26,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:34:26,674 INFO L93 Difference]: Finished difference Result 32 states and 48 transitions. [2019-12-26 23:34:26,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:34:26,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-26 23:34:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:34:26,675 INFO L225 Difference]: With dead ends: 32 [2019-12-26 23:34:26,675 INFO L226 Difference]: Without dead ends: 28 [2019-12-26 23:34:26,676 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 [2019-12-26 23:34:26,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-26 23:34:26,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-12-26 23:34:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-26 23:34:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2019-12-26 23:34:26,685 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 8 [2019-12-26 23:34:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:34:26,685 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2019-12-26 23:34:26,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:34:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2019-12-26 23:34:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-26 23:34:26,687 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:34:26,687 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:34:26,687 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:34:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:34:26,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1278606219, now seen corresponding path program 1 times [2019-12-26 23:34:26,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:34:26,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683418192] [2019-12-26 23:34:26,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:34:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:34:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:34:26,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683418192] [2019-12-26 23:34:26,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:34:26,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:34:26,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919155115] [2019-12-26 23:34:26,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:34:26,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:34:26,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:34:26,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:34:26,782 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2019-12-26 23:34:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:34:26,797 INFO L93 Difference]: Finished difference Result 22 states and 32 transitions. [2019-12-26 23:34:26,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:34:26,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-26 23:34:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:34:26,799 INFO L225 Difference]: With dead ends: 22 [2019-12-26 23:34:26,799 INFO L226 Difference]: Without dead ends: 0 [2019-12-26 23:34:26,799 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 [2019-12-26 23:34:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-26 23:34:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-26 23:34:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-26 23:34:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-26 23:34:26,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-26 23:34:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:34:26,800 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-26 23:34:26,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:34:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-26 23:34:26,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-26 23:34:26,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 11:34:26 BasicIcfg [2019-12-26 23:34:26,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-26 23:34:26,808 INFO L168 Benchmark]: Toolchain (without parser) took 4001.42 ms. Allocated memory was 142.1 MB in the beginning and 247.5 MB in the end (delta: 105.4 MB). Free memory was 100.6 MB in the beginning and 134.0 MB in the end (delta: -33.4 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,809 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.60 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 100.1 MB in the beginning and 159.3 MB in the end (delta: -59.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.88 ms. Allocated memory is still 204.5 MB. Free memory was 159.3 MB in the beginning and 157.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,812 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 ms. Allocated memory is still 204.5 MB. Free memory was 157.2 MB in the beginning and 155.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,813 INFO L168 Benchmark]: RCFGBuilder took 443.52 ms. Allocated memory is still 204.5 MB. Free memory was 155.8 MB in the beginning and 135.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,814 INFO L168 Benchmark]: TraceAbstraction took 2674.82 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 135.1 MB in the beginning and 134.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:26,818 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 142.1 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 800.60 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 100.1 MB in the beginning and 159.3 MB in the end (delta: -59.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.88 ms. Allocated memory is still 204.5 MB. Free memory was 159.3 MB in the beginning and 157.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.44 ms. Allocated memory is still 204.5 MB. Free memory was 157.2 MB in the beginning and 155.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 443.52 ms. Allocated memory is still 204.5 MB. Free memory was 155.8 MB in the beginning and 135.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2674.82 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 135.1 MB in the beginning and 134.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 62 ProgramPointsBefore, 22 ProgramPointsAfterwards, 53 TransitionsBefore, 17 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 250 VarBasedMoverChecksPositive, 18 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 483 CheckedPairsTotal, 45 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 4 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 6 SDslu, 18 SDs, 0 SdLazy, 13 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=54occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 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...