/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:09:54,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:09:54,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:09:54,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:09:54,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:09:54,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:09:54,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:09:54,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:09:54,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:09:54,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:09:54,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:09:54,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:09:54,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:09:54,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:09:54,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:09:54,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:09:54,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:09:54,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:09:54,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:09:54,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:09:54,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:09:54,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:09:54,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:09:54,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:09:54,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 23:09:54,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:09:54,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:09:54,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:09:54,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:09:54,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:09:54,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:09:54,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:09:54,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:09:54,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:09:54,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:09:54,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:09:54,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-18 23:09:54,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:09:54,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:09:54,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:09:54,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:09:54,236 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:09:54,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:09:54,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:09:54,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:09:54,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:09:54,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:09:54,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:09:54,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:09:54,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:09:54,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:09:54,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:09:54,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:09:54,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:09:54,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:09:54,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:09:54,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:09:54,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:09:54,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:09:54,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:09:54,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:09:54,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:09:54,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:09:54,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:09:54,242 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 23:09:54,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:09:54,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:09:54,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:09:54,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:09:54,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:09:54,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:09:54,536 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:09:54,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i [2019-12-18 23:09:54,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163e586be/e8574a005ddc4322879af037fd95689f/FLAG5446f1ce5 [2019-12-18 23:09:55,136 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:09:55,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i [2019-12-18 23:09:55,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163e586be/e8574a005ddc4322879af037fd95689f/FLAG5446f1ce5 [2019-12-18 23:09:55,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163e586be/e8574a005ddc4322879af037fd95689f [2019-12-18 23:09:55,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:09:55,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:09:55,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:09:55,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:09:55,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:09:55,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:09:55" (1/1) ... [2019-12-18 23:09:55,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a138a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:55, skipping insertion in model container [2019-12-18 23:09:55,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:09:55" (1/1) ... [2019-12-18 23:09:55,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:09:55,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:09:56,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:09:56,049 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:09:56,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:09:56,207 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:09:56,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56 WrapperNode [2019-12-18 23:09:56,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:09:56,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:09:56,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:09:56,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:09:56,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:09:56,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:09:56,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:09:56,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:09:56,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (1/1) ... [2019-12-18 23:09:56,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:09:56,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:09:56,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:09:56,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:09:56,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (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 23:09:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:09:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 23:09:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 23:09:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 23:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 23:09:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 23:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 23:09:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:09:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:09:56,368 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 23:09:56,666 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:09:56,666 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 23:09:56,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:09:56 BoogieIcfgContainer [2019-12-18 23:09:56,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:09:56,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:09:56,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:09:56,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:09:56,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:09:55" (1/3) ... [2019-12-18 23:09:56,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2cbf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:09:56, skipping insertion in model container [2019-12-18 23:09:56,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:56" (2/3) ... [2019-12-18 23:09:56,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2cbf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:09:56, skipping insertion in model container [2019-12-18 23:09:56,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:09:56" (3/3) ... [2019-12-18 23:09:56,693 INFO L109 eAbstractionObserver]: Analyzing ICFG thin000_pso.oepc.i [2019-12-18 23:09:56,706 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:09:56,707 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:09:56,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 23:09:56,715 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:09:56,749 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,751 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,752 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,752 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,753 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,753 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,754 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,754 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,754 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,754 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,755 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,755 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,759 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,759 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,760 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,760 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,767 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,767 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,768 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,768 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:56,781 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 23:09:56,798 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:09:56,799 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:09:56,799 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:09:56,799 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:09:56,799 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:09:56,800 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:09:56,800 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:09:56,800 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:09:56,814 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions [2019-12-18 23:09:56,816 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-18 23:09:56,853 INFO L126 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-18 23:09:56,854 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:09:56,860 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 23:09:56,863 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-18 23:09:56,881 INFO L126 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-18 23:09:56,881 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:09:56,884 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 23:09:56,887 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-18 23:09:56,888 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:09:58,052 INFO L206 etLargeBlockEncoding]: Checked pairs total: 271 [2019-12-18 23:09:58,053 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-18 23:09:58,057 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-18 23:09:58,066 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-18 23:09:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-18 23:09:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 23:09:58,078 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:58,079 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 23:09:58,079 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:58,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:58,086 INFO L82 PathProgramCache]: Analyzing trace with hash 608072787, now seen corresponding path program 1 times [2019-12-18 23:09:58,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:58,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107602287] [2019-12-18 23:09:58,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:58,293 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 23:09:58,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107602287] [2019-12-18 23:09:58,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:58,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 23:09:58,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690732303] [2019-12-18 23:09:58,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:09:58,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:58,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:09:58,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:09:58,317 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-18 23:09:58,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:58,342 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-18 23:09:58,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:09:58,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-18 23:09:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:58,354 INFO L225 Difference]: With dead ends: 20 [2019-12-18 23:09:58,354 INFO L226 Difference]: Without dead ends: 16 [2019-12-18 23:09:58,356 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 23:09:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-18 23:09:58,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-18 23:09:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-18 23:09:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-18 23:09:58,387 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-18 23:09:58,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:58,388 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-18 23:09:58,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:09:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-18 23:09:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 23:09:58,389 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:58,389 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:58,389 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:58,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:58,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1670386944, now seen corresponding path program 1 times [2019-12-18 23:09:58,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:58,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336538376] [2019-12-18 23:09:58,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:58,511 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 23:09:58,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336538376] [2019-12-18 23:09:58,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:58,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:09:58,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054306396] [2019-12-18 23:09:58,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:09:58,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:58,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:09:58,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:09:58,515 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-18 23:09:58,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:58,542 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-18 23:09:58,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:09:58,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-18 23:09:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:58,544 INFO L225 Difference]: With dead ends: 17 [2019-12-18 23:09:58,544 INFO L226 Difference]: Without dead ends: 13 [2019-12-18 23:09:58,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:09:58,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-18 23:09:58,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-18 23:09:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-18 23:09:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-18 23:09:58,548 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2019-12-18 23:09:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:58,549 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-18 23:09:58,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:09:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-18 23:09:58,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 23:09:58,550 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:58,550 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:58,550 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:58,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:58,551 INFO L82 PathProgramCache]: Analyzing trace with hash 179998362, now seen corresponding path program 1 times [2019-12-18 23:09:58,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:58,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782496815] [2019-12-18 23:09:58,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:58,652 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 23:09:58,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782496815] [2019-12-18 23:09:58,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:58,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:09:58,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524107686] [2019-12-18 23:09:58,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:09:58,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:58,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:09:58,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:09:58,655 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2019-12-18 23:09:58,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:58,670 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2019-12-18 23:09:58,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:09:58,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-18 23:09:58,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:58,671 INFO L225 Difference]: With dead ends: 12 [2019-12-18 23:09:58,671 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 23:09:58,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:09:58,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 23:09:58,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 23:09:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 23:09:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 23:09:58,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-18 23:09:58,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:58,673 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 23:09:58,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:09:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 23:09:58,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 23:09:58,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:09:58 BasicIcfg [2019-12-18 23:09:58,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:09:58,681 INFO L168 Benchmark]: Toolchain (without parser) took 3241.39 ms. Allocated memory was 138.9 MB in the beginning and 245.9 MB in the end (delta: 107.0 MB). Free memory was 101.8 MB in the beginning and 208.1 MB in the end (delta: -106.4 MB). Peak memory consumption was 592.0 kB. Max. memory is 7.1 GB. [2019-12-18 23:09:58,681 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory is still 121.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 23:09:58,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.56 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.4 MB in the beginning and 161.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:58,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 204.5 MB. Free memory was 161.7 MB in the beginning and 159.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:58,684 INFO L168 Benchmark]: Boogie Preprocessor took 40.68 ms. Allocated memory is still 204.5 MB. Free memory was 159.8 MB in the beginning and 157.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:58,685 INFO L168 Benchmark]: RCFGBuilder took 367.29 ms. Allocated memory is still 204.5 MB. Free memory was 157.9 MB in the beginning and 139.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:58,686 INFO L168 Benchmark]: TraceAbstraction took 2001.00 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 139.6 MB in the beginning and 208.1 MB in the end (delta: -68.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 23:09:58,690 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory is still 121.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.56 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.4 MB in the beginning and 161.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 204.5 MB. Free memory was 161.7 MB in the beginning and 159.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.68 ms. Allocated memory is still 204.5 MB. Free memory was 159.8 MB in the beginning and 157.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 367.29 ms. Allocated memory is still 204.5 MB. Free memory was 157.9 MB in the beginning and 139.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2001.00 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 139.6 MB in the beginning and 208.1 MB in the end (delta: -68.6 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: 1.2s, 49 ProgramPointsBefore, 15 ProgramPointsAfterwards, 43 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 271 CheckedPairsTotal, 38 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 14 SDslu, 8 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...