/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-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:24:53,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:24:53,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:24:53,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:24:53,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:24:53,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:24:53,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:24:53,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:24:53,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:24:53,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:24:53,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:24:53,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:24:53,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:24:53,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:24:53,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:24:53,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:24:53,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:24:53,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:24:53,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:24:53,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:24:53,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:24:53,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:24:53,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:24:53,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:24:53,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 18:24:53,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:24:53,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:24:53,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:24:53,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:24:53,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:24:53,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:24:53,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:24:53,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:24:53,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:24:53,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:24:53,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:24:53,231 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-SemanticLbe-MCR.epf [2019-12-27 18:24:53,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:24:53,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:24:53,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:24:53,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:24:53,264 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:24:53,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:24:53,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:24:53,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:24:53,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:24:53,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:24:53,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:24:53,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:24:53,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:24:53,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:24:53,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:24:53,267 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:24:53,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:24:53,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:24:53,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:24:53,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:24:53,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:24:53,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:24:53,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:24:53,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:24:53,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:24:53,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:24:53,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:24:53,270 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:24:53,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:24:53,271 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:24:53,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:24:53,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:24:53,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:24:53,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:24:53,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:24:53,603 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:24:53,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2019-12-27 18:24:53,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197252399/f34232ee32af4e73afe7653dd3b754ee/FLAG8b7f627e2 [2019-12-27 18:24:54,206 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:24:54,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2019-12-27 18:24:54,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197252399/f34232ee32af4e73afe7653dd3b754ee/FLAG8b7f627e2 [2019-12-27 18:24:54,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197252399/f34232ee32af4e73afe7653dd3b754ee [2019-12-27 18:24:54,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:24:54,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:24:54,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:24:54,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:24:54,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:24:54,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:24:54" (1/1) ... [2019-12-27 18:24:54,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2257a400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:54, skipping insertion in model container [2019-12-27 18:24:54,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:24:54" (1/1) ... [2019-12-27 18:24:54,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:24:54,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:24:55,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:24:55,076 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:24:55,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:24:55,199 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:24:55,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55 WrapperNode [2019-12-27 18:24:55,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:24:55,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:24:55,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:24:55,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:24:55,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:24:55,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:24:55,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:24:55,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:24:55,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... [2019-12-27 18:24:55,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:24:55,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:24:55,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:24:55,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:24:55,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:24:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:24:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:24:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:24:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:24:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:24:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:24:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:24:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:24:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 18:24:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 18:24:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 18:24:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 18:24:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:24:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:24:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:24:55,376 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:24:55,803 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:24:55,803 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:24:55,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:24:55 BoogieIcfgContainer [2019-12-27 18:24:55,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:24:55,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:24:55,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:24:55,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:24:55,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:24:54" (1/3) ... [2019-12-27 18:24:55,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc59a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:24:55, skipping insertion in model container [2019-12-27 18:24:55,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:24:55" (2/3) ... [2019-12-27 18:24:55,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc59a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:24:55, skipping insertion in model container [2019-12-27 18:24:55,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:24:55" (3/3) ... [2019-12-27 18:24:55,814 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2019-12-27 18:24:55,825 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:24:55,825 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:24:55,833 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:24:55,834 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:24:55,872 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,872 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,873 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,873 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,874 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,874 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,875 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,875 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,875 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,876 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,876 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,876 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,877 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,877 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,878 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,878 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,880 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,880 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,881 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,881 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,882 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,882 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,882 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,882 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,890 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,890 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,905 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,905 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,905 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,905 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,908 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,909 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,910 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,910 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,914 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,914 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,914 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,915 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:24:55,929 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 18:24:55,949 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:24:55,949 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:24:55,949 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:24:55,949 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:24:55,949 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:24:55,950 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:24:55,950 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:24:55,950 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:24:55,963 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 64 transitions [2019-12-27 18:24:55,965 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-27 18:24:56,006 INFO L132 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-27 18:24:56,007 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:24:56,013 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 0/58 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 18:24:56,016 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-27 18:24:56,037 INFO L132 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-27 18:24:56,037 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:24:56,038 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 0/58 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 18:24:56,040 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 18:24:56,043 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:24:57,771 INFO L206 etLargeBlockEncoding]: Checked pairs total: 721 [2019-12-27 18:24:57,771 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48 [2019-12-27 18:24:57,776 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-27 18:24:57,793 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-27 18:24:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-27 18:24:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:24:57,804 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:24:57,805 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:24:57,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:24:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:24:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash -989464989, now seen corresponding path program 1 times [2019-12-27 18:24:57,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:24:57,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126001937] [2019-12-27 18:24:57,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:24:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:24:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:24:58,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126001937] [2019-12-27 18:24:58,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:24:58,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:24:58,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1590467516] [2019-12-27 18:24:58,114 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:24:58,123 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:24:58,139 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:24:58,140 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:24:58,145 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:24:58,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:24:58,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:24:58,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:24:58,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:24:58,167 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-27 18:24:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:24:58,195 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-27 18:24:58,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:24:58,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 18:24:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:24:58,231 INFO L225 Difference]: With dead ends: 86 [2019-12-27 18:24:58,231 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 18:24:58,235 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 [2019-12-27 18:24:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 18:24:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 18:24:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 18:24:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 18:24:58,298 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 18:24:58,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:24:58,307 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 18:24:58,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:24:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 18:24:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:24:58,310 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:24:58,310 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:24:58,310 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:24:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:24:58,311 INFO L82 PathProgramCache]: Analyzing trace with hash -609272234, now seen corresponding path program 1 times [2019-12-27 18:24:58,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:24:58,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086946632] [2019-12-27 18:24:58,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:24:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:24:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:24:58,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086946632] [2019-12-27 18:24:58,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:24:58,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:24:58,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1808132897] [2019-12-27 18:24:58,427 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:24:58,428 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:24:58,431 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 15 transitions. [2019-12-27 18:24:58,431 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:24:58,432 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:24:58,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:24:58,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:24:58,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:24:58,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:24:58,434 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 3 states. [2019-12-27 18:24:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:24:58,441 INFO L93 Difference]: Finished difference Result 66 states and 152 transitions. [2019-12-27 18:24:58,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:24:58,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-27 18:24:58,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:24:58,443 INFO L225 Difference]: With dead ends: 66 [2019-12-27 18:24:58,443 INFO L226 Difference]: Without dead ends: 66 [2019-12-27 18:24:58,444 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 [2019-12-27 18:24:58,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-27 18:24:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-12-27 18:24:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-27 18:24:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 152 transitions. [2019-12-27 18:24:58,453 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 152 transitions. Word has length 11 [2019-12-27 18:24:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:24:58,453 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 152 transitions. [2019-12-27 18:24:58,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:24:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2019-12-27 18:24:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 18:24:58,454 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:24:58,455 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:24:58,455 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:24:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:24:58,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1933083520, now seen corresponding path program 1 times [2019-12-27 18:24:58,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:24:58,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697720564] [2019-12-27 18:24:58,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:24:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:24:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:24:58,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697720564] [2019-12-27 18:24:58,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:24:58,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:24:58,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [602198102] [2019-12-27 18:24:58,519 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:24:58,520 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:24:58,523 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 28 transitions. [2019-12-27 18:24:58,523 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:24:58,525 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:24:58,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:24:58,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:24:58,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:24:58,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:24:58,526 INFO L87 Difference]: Start difference. First operand 66 states and 152 transitions. Second operand 4 states. [2019-12-27 18:24:58,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:24:58,558 INFO L93 Difference]: Finished difference Result 82 states and 178 transitions. [2019-12-27 18:24:58,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:24:58,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 18:24:58,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:24:58,559 INFO L225 Difference]: With dead ends: 82 [2019-12-27 18:24:58,560 INFO L226 Difference]: Without dead ends: 52 [2019-12-27 18:24:58,560 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 [2019-12-27 18:24:58,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-27 18:24:58,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-27 18:24:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-27 18:24:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 108 transitions. [2019-12-27 18:24:58,567 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 108 transitions. Word has length 12 [2019-12-27 18:24:58,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:24:58,567 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 108 transitions. [2019-12-27 18:24:58,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:24:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2019-12-27 18:24:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 18:24:58,568 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:24:58,568 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:24:58,568 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:24:58,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:24:58,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1709122238, now seen corresponding path program 2 times [2019-12-27 18:24:58,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:24:58,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704969641] [2019-12-27 18:24:58,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:24:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:24:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:24:58,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704969641] [2019-12-27 18:24:58,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:24:58,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:24:58,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [297697657] [2019-12-27 18:24:58,606 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:24:58,608 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:24:58,610 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 20 transitions. [2019-12-27 18:24:58,610 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:24:58,611 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:24:58,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:24:58,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:24:58,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:24:58,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:24:58,612 INFO L87 Difference]: Start difference. First operand 52 states and 108 transitions. Second operand 4 states. [2019-12-27 18:24:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:24:58,637 INFO L93 Difference]: Finished difference Result 66 states and 123 transitions. [2019-12-27 18:24:58,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:24:58,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 18:24:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:24:58,638 INFO L225 Difference]: With dead ends: 66 [2019-12-27 18:24:58,639 INFO L226 Difference]: Without dead ends: 34 [2019-12-27 18:24:58,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:24:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-27 18:24:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-27 18:24:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-27 18:24:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-27 18:24:58,643 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-27 18:24:58,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:24:58,643 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-27 18:24:58,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:24:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-27 18:24:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:24:58,644 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:24:58,644 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:24:58,645 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:24:58,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:24:58,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1395075125, now seen corresponding path program 1 times [2019-12-27 18:24:58,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:24:58,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010901918] [2019-12-27 18:24:58,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:24:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:24:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:24:58,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010901918] [2019-12-27 18:24:58,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:24:58,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:24:58,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1379077566] [2019-12-27 18:24:58,720 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:24:58,721 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:24:58,726 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 16 states and 17 transitions. [2019-12-27 18:24:58,727 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:24:58,728 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:24:58,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:24:58,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:24:58,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:24:58,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:24:58,730 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 4 states. [2019-12-27 18:24:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:24:58,759 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-27 18:24:58,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:24:58,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 18:24:58,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:24:58,761 INFO L225 Difference]: With dead ends: 41 [2019-12-27 18:24:58,761 INFO L226 Difference]: Without dead ends: 25 [2019-12-27 18:24:58,762 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 [2019-12-27 18:24:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-27 18:24:58,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-27 18:24:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-27 18:24:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-27 18:24:58,765 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-27 18:24:58,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:24:58,765 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-27 18:24:58,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:24:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-27 18:24:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:24:58,766 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:24:58,766 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:24:58,766 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:24:58,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:24:58,767 INFO L82 PathProgramCache]: Analyzing trace with hash -534290396, now seen corresponding path program 1 times [2019-12-27 18:24:58,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:24:58,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878942404] [2019-12-27 18:24:58,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:24:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:24:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:24:58,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878942404] [2019-12-27 18:24:58,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:24:58,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:24:58,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1064903167] [2019-12-27 18:24:58,805 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:24:58,807 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:24:58,811 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 26 transitions. [2019-12-27 18:24:58,811 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:24:58,811 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:24:58,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:24:58,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:24:58,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:24:58,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:24:58,813 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-27 18:24:58,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:24:58,830 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-27 18:24:58,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:24:58,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 18:24:58,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:24:58,831 INFO L225 Difference]: With dead ends: 24 [2019-12-27 18:24:58,831 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:24:58,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:24:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:24:58,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:24:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:24:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:24:58,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 18:24:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:24:58,832 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:24:58,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:24:58,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:24:58,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:24:58,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:24:58 BasicIcfg [2019-12-27 18:24:58,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:24:58,840 INFO L168 Benchmark]: Toolchain (without parser) took 4303.95 ms. Allocated memory was 137.4 MB in the beginning and 249.6 MB in the end (delta: 112.2 MB). Free memory was 99.4 MB in the beginning and 91.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,841 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.57 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 99.2 MB in the beginning and 155.7 MB in the end (delta: -56.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.09 ms. Allocated memory is still 199.2 MB. Free memory was 155.7 MB in the beginning and 153.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,844 INFO L168 Benchmark]: Boogie Preprocessor took 27.69 ms. Allocated memory is still 199.2 MB. Free memory was 153.7 MB in the beginning and 151.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,845 INFO L168 Benchmark]: RCFGBuilder took 499.25 ms. Allocated memory is still 199.2 MB. Free memory was 151.6 MB in the beginning and 129.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,846 INFO L168 Benchmark]: TraceAbstraction took 3031.60 ms. Allocated memory was 199.2 MB in the beginning and 249.6 MB in the end (delta: 50.3 MB). Free memory was 128.8 MB in the beginning and 91.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:24:58,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.57 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 99.2 MB in the beginning and 155.7 MB in the end (delta: -56.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.09 ms. Allocated memory is still 199.2 MB. Free memory was 155.7 MB in the beginning and 153.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.69 ms. Allocated memory is still 199.2 MB. Free memory was 153.7 MB in the beginning and 151.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.25 ms. Allocated memory is still 199.2 MB. Free memory was 151.6 MB in the beginning and 129.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3031.60 ms. Allocated memory was 199.2 MB in the beginning and 249.6 MB in the end (delta: 50.3 MB). Free memory was 128.8 MB in the beginning and 91.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 76 ProgramPointsBefore, 27 ProgramPointsAfterwards, 64 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 354 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 16 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 721 CheckedPairsTotal, 48 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 5 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 32 SDslu, 89 SDs, 0 SdLazy, 36 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...