/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-12 00:17:06,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-12 00:17:06,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-12 00:17:06,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-12 00:17:06,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-12 00:17:06,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-12 00:17:06,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-12 00:17:06,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-12 00:17:06,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-12 00:17:06,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-12 00:17:06,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-12 00:17:06,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-12 00:17:06,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-12 00:17:06,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-12 00:17:06,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-12 00:17:06,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-12 00:17:06,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-12 00:17:06,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-12 00:17:06,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-12 00:17:06,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-12 00:17:06,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-12 00:17:06,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-12 00:17:06,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-12 00:17:06,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-12 00:17:06,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-12 00:17:06,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-12 00:17:06,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-12 00:17:06,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-12 00:17:06,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-12 00:17:06,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-12 00:17:06,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-12 00:17:06,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-12 00:17:06,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-12 00:17:06,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-12 00:17:06,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-12 00:17:06,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-12 00:17:06,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-09-12 00:17:06,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-12 00:17:06,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-12 00:17:06,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-12 00:17:06,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-12 00:17:06,211 INFO L138 SettingsManager]: * Use SBE=true [2020-09-12 00:17:06,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-12 00:17:06,212 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-12 00:17:06,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-12 00:17:06,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-12 00:17:06,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-12 00:17:06,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-12 00:17:06,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-12 00:17:06,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-12 00:17:06,214 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-12 00:17:06,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-12 00:17:06,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-12 00:17:06,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-12 00:17:06,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-12 00:17:06,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-12 00:17:06,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-12 00:17:06,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-12 00:17:06,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-12 00:17:06,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-12 00:17:06,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-12 00:17:06,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-12 00:17:06,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-12 00:17:06,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-12 00:17:06,217 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-09-12 00:17:06,217 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-12 00:17:06,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-12 00:17:06,218 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-09-12 00:17:06,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-12 00:17:06,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-12 00:17:06,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-12 00:17:06,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-12 00:17:06,662 INFO L275 PluginConnector]: CDTParser initialized [2020-09-12 00:17:06,663 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-09-12 00:17:06,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf58bbe95/a989aaaa563643e891882f769bb16f29/FLAGf93063f78 [2020-09-12 00:17:07,368 INFO L306 CDTParser]: Found 1 translation units. [2020-09-12 00:17:07,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-09-12 00:17:07,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf58bbe95/a989aaaa563643e891882f769bb16f29/FLAGf93063f78 [2020-09-12 00:17:07,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf58bbe95/a989aaaa563643e891882f769bb16f29 [2020-09-12 00:17:07,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-12 00:17:07,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-12 00:17:07,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-12 00:17:07,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-12 00:17:07,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-12 00:17:07,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 12:17:07" (1/1) ... [2020-09-12 00:17:07,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67abc2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:07, skipping insertion in model container [2020-09-12 00:17:07,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 12:17:07" (1/1) ... [2020-09-12 00:17:07,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-12 00:17:07,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-12 00:17:08,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-12 00:17:08,242 INFO L203 MainTranslator]: Completed pre-run [2020-09-12 00:17:08,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-12 00:17:08,371 INFO L208 MainTranslator]: Completed translation [2020-09-12 00:17:08,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08 WrapperNode [2020-09-12 00:17:08,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-12 00:17:08,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-12 00:17:08,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-12 00:17:08,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-12 00:17:08,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-12 00:17:08,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-12 00:17:08,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-12 00:17:08,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-12 00:17:08,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... [2020-09-12 00:17:08,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-12 00:17:08,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-12 00:17:08,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-12 00:17:08,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-12 00:17:08,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-12 00:17:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-12 00:17:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-12 00:17:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-12 00:17:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-12 00:17:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-12 00:17:08,540 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-12 00:17:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-12 00:17:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-12 00:17:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-09-12 00:17:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-09-12 00:17:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-09-12 00:17:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-09-12 00:17:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-12 00:17:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-12 00:17:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-12 00:17:08,556 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-12 00:17:08,933 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-12 00:17:08,933 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-12 00:17:08,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 12:17:08 BoogieIcfgContainer [2020-09-12 00:17:08,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-12 00:17:08,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-12 00:17:08,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-12 00:17:08,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-12 00:17:08,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 12:17:07" (1/3) ... [2020-09-12 00:17:08,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adc9efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 12:17:08, skipping insertion in model container [2020-09-12 00:17:08,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:17:08" (2/3) ... [2020-09-12 00:17:08,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adc9efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 12:17:08, skipping insertion in model container [2020-09-12 00:17:08,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 12:17:08" (3/3) ... [2020-09-12 00:17:08,951 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2020-09-12 00:17:08,962 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-12 00:17:08,963 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-12 00:17:08,973 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-12 00:17:08,974 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-12 00:17:09,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,009 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,010 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,013 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,014 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,015 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,015 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,021 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,021 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,029 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,029 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,029 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,030 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,032 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,033 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,037 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,037 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:17:09,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-12 00:17:09,089 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-12 00:17:09,090 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-12 00:17:09,090 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-12 00:17:09,090 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-12 00:17:09,090 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-12 00:17:09,090 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-12 00:17:09,091 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-12 00:17:09,091 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-12 00:17:09,110 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 86 transitions, 192 flow [2020-09-12 00:17:09,112 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-09-12 00:17:09,169 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-09-12 00:17:09,170 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-12 00:17:09,177 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-09-12 00:17:09,181 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-09-12 00:17:09,219 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-09-12 00:17:09,219 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-12 00:17:09,220 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-09-12 00:17:09,223 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2016 [2020-09-12 00:17:09,228 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-12 00:17:10,762 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4485 [2020-09-12 00:17:10,762 INFO L214 etLargeBlockEncoding]: Total number of compositions: 67 [2020-09-12 00:17:10,767 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-09-12 00:17:10,863 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-09-12 00:17:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-12 00:17:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-12 00:17:10,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:17:10,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:17:10,881 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:17:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:17:10,888 INFO L82 PathProgramCache]: Analyzing trace with hash 546901279, now seen corresponding path program 1 times [2020-09-12 00:17:10,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:17:10,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123304271] [2020-09-12 00:17:10,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:17:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:17:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:17:11,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123304271] [2020-09-12 00:17:11,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:17:11,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-12 00:17:11,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [113921967] [2020-09-12 00:17:11,115 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:17:11,118 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:17:11,136 INFO L274 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-09-12 00:17:11,136 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:17:11,139 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:17:11,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-12 00:17:11,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:17:11,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-12 00:17:11,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-12 00:17:11,162 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-09-12 00:17:11,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:17:11,208 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-09-12 00:17:11,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-12 00:17:11,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-09-12 00:17:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:17:11,246 INFO L225 Difference]: With dead ends: 1450 [2020-09-12 00:17:11,246 INFO L226 Difference]: Without dead ends: 1194 [2020-09-12 00:17:11,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-12 00:17:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-09-12 00:17:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-09-12 00:17:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-09-12 00:17:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-09-12 00:17:11,397 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-09-12 00:17:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:17:11,399 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-09-12 00:17:11,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-12 00:17:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-09-12 00:17:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-12 00:17:11,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:17:11,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:17:11,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-12 00:17:11,403 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:17:11,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:17:11,403 INFO L82 PathProgramCache]: Analyzing trace with hash -225951647, now seen corresponding path program 1 times [2020-09-12 00:17:11,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:17:11,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308979793] [2020-09-12 00:17:11,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:17:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:17:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:17:11,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308979793] [2020-09-12 00:17:11,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:17:11,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-12 00:17:11,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [529267332] [2020-09-12 00:17:11,596 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:17:11,597 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:17:11,599 INFO L274 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-09-12 00:17:11,599 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:17:11,599 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:17:11,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-12 00:17:11,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:17:11,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-12 00:17:11,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-12 00:17:11,602 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-09-12 00:17:11,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:17:11,646 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-09-12 00:17:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-12 00:17:11,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-09-12 00:17:11,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:17:11,656 INFO L225 Difference]: With dead ends: 1322 [2020-09-12 00:17:11,656 INFO L226 Difference]: Without dead ends: 1066 [2020-09-12 00:17:11,657 INFO L675 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 [2020-09-12 00:17:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-09-12 00:17:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-09-12 00:17:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-09-12 00:17:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-09-12 00:17:11,698 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-09-12 00:17:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:17:11,698 INFO L479 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-09-12 00:17:11,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-12 00:17:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-09-12 00:17:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-12 00:17:11,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:17:11,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:17:11,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-12 00:17:11,701 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:17:11,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:17:11,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1585409501, now seen corresponding path program 1 times [2020-09-12 00:17:11,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:17:11,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625704139] [2020-09-12 00:17:11,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:17:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:17:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:17:11,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625704139] [2020-09-12 00:17:11,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:17:11,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-12 00:17:11,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [218198720] [2020-09-12 00:17:11,803 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:17:11,804 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:17:11,806 INFO L274 McrAutomatonBuilder]: Finished intersection with 16 states and 18 transitions. [2020-09-12 00:17:11,806 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:17:11,840 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:17:11,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-12 00:17:11,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:17:11,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-12 00:17:11,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-12 00:17:11,841 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 5 states. [2020-09-12 00:17:11,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:17:11,897 INFO L93 Difference]: Finished difference Result 1306 states and 4508 transitions. [2020-09-12 00:17:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-12 00:17:11,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-09-12 00:17:11,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:17:11,903 INFO L225 Difference]: With dead ends: 1306 [2020-09-12 00:17:11,903 INFO L226 Difference]: Without dead ends: 634 [2020-09-12 00:17:11,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-12 00:17:11,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-09-12 00:17:11,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-09-12 00:17:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-09-12 00:17:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2060 transitions. [2020-09-12 00:17:11,924 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2060 transitions. Word has length 12 [2020-09-12 00:17:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:17:11,924 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 2060 transitions. [2020-09-12 00:17:11,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-12 00:17:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2060 transitions. [2020-09-12 00:17:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-12 00:17:11,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:17:11,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:17:11,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-12 00:17:11,927 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:17:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:17:11,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1322775957, now seen corresponding path program 1 times [2020-09-12 00:17:11,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:17:11,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668851940] [2020-09-12 00:17:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:17:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:17:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:17:12,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668851940] [2020-09-12 00:17:12,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:17:12,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-12 00:17:12,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [605987170] [2020-09-12 00:17:12,045 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:17:12,048 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:17:12,051 INFO L274 McrAutomatonBuilder]: Finished intersection with 28 states and 40 transitions. [2020-09-12 00:17:12,051 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:17:12,150 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:17:12,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-12 00:17:12,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:17:12,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-12 00:17:12,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-12 00:17:12,152 INFO L87 Difference]: Start difference. First operand 634 states and 2060 transitions. Second operand 5 states. [2020-09-12 00:17:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:17:12,199 INFO L93 Difference]: Finished difference Result 826 states and 2588 transitions. [2020-09-12 00:17:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-12 00:17:12,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-12 00:17:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:17:12,202 INFO L225 Difference]: With dead ends: 826 [2020-09-12 00:17:12,202 INFO L226 Difference]: Without dead ends: 346 [2020-09-12 00:17:12,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-12 00:17:12,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-09-12 00:17:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-09-12 00:17:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-09-12 00:17:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 1012 transitions. [2020-09-12 00:17:12,214 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 1012 transitions. Word has length 14 [2020-09-12 00:17:12,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:17:12,215 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 1012 transitions. [2020-09-12 00:17:12,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-12 00:17:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1012 transitions. [2020-09-12 00:17:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-12 00:17:12,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:17:12,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:17:12,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-12 00:17:12,216 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:17:12,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:17:12,217 INFO L82 PathProgramCache]: Analyzing trace with hash 275175569, now seen corresponding path program 1 times [2020-09-12 00:17:12,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:17:12,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324843715] [2020-09-12 00:17:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:17:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:17:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:17:12,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324843715] [2020-09-12 00:17:12,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:17:12,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-12 00:17:12,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1279371253] [2020-09-12 00:17:12,340 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:17:12,342 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:17:12,349 INFO L274 McrAutomatonBuilder]: Finished intersection with 44 states and 70 transitions. [2020-09-12 00:17:12,349 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:17:12,538 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:17:12,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-12 00:17:12,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:17:12,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-12 00:17:12,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-12 00:17:12,540 INFO L87 Difference]: Start difference. First operand 346 states and 1012 transitions. Second operand 5 states. [2020-09-12 00:17:12,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:17:12,584 INFO L93 Difference]: Finished difference Result 430 states and 1224 transitions. [2020-09-12 00:17:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-12 00:17:12,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-12 00:17:12,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:17:12,586 INFO L225 Difference]: With dead ends: 430 [2020-09-12 00:17:12,586 INFO L226 Difference]: Without dead ends: 148 [2020-09-12 00:17:12,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-12 00:17:12,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-09-12 00:17:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-09-12 00:17:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-09-12 00:17:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 398 transitions. [2020-09-12 00:17:12,591 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 398 transitions. Word has length 16 [2020-09-12 00:17:12,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:17:12,592 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 398 transitions. [2020-09-12 00:17:12,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-12 00:17:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 398 transitions. [2020-09-12 00:17:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-12 00:17:12,593 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:17:12,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:17:12,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-12 00:17:12,593 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:17:12,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:17:12,594 INFO L82 PathProgramCache]: Analyzing trace with hash 355522076, now seen corresponding path program 1 times [2020-09-12 00:17:12,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:17:12,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922831176] [2020-09-12 00:17:12,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:17:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:17:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:17:12,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922831176] [2020-09-12 00:17:12,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:17:12,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-12 00:17:12,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1257424511] [2020-09-12 00:17:12,669 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:17:12,672 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:17:12,676 INFO L274 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-09-12 00:17:12,676 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:17:12,699 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:17:12,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-12 00:17:12,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:17:12,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-12 00:17:12,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-12 00:17:12,700 INFO L87 Difference]: Start difference. First operand 148 states and 398 transitions. Second operand 5 states. [2020-09-12 00:17:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:17:12,732 INFO L93 Difference]: Finished difference Result 124 states and 322 transitions. [2020-09-12 00:17:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-12 00:17:12,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-12 00:17:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:17:12,733 INFO L225 Difference]: With dead ends: 124 [2020-09-12 00:17:12,733 INFO L226 Difference]: Without dead ends: 0 [2020-09-12 00:17:12,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-12 00:17:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-12 00:17:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-12 00:17:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-12 00:17:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-12 00:17:12,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-09-12 00:17:12,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:17:12,735 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-12 00:17:12,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-12 00:17:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-12 00:17:12,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-12 00:17:12,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-12 00:17:12,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.09 12:17:12 BasicIcfg [2020-09-12 00:17:12,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-12 00:17:12,744 INFO L168 Benchmark]: Toolchain (without parser) took 5097.14 ms. Allocated memory was 141.0 MB in the beginning and 287.8 MB in the end (delta: 146.8 MB). Free memory was 103.1 MB in the beginning and 194.9 MB in the end (delta: -91.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2020-09-12 00:17:12,745 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-12 00:17:12,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.20 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 162.4 MB in the end (delta: -60.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-09-12 00:17:12,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.82 ms. Allocated memory is still 205.5 MB. Free memory was 161.8 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. [2020-09-12 00:17:12,747 INFO L168 Benchmark]: Boogie Preprocessor took 29.77 ms. Allocated memory is still 205.5 MB. Free memory was 159.8 MB in the beginning and 158.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-12 00:17:12,748 INFO L168 Benchmark]: RCFGBuilder took 482.27 ms. Allocated memory is still 205.5 MB. Free memory was 158.5 MB in the beginning and 133.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-09-12 00:17:12,749 INFO L168 Benchmark]: TraceAbstraction took 3797.65 ms. Allocated memory was 205.5 MB in the beginning and 287.8 MB in the end (delta: 82.3 MB). Free memory was 133.1 MB in the beginning and 194.9 MB in the end (delta: -61.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-09-12 00:17:12,753 INFO L336 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 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.20 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 162.4 MB in the end (delta: -60.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.82 ms. Allocated memory is still 205.5 MB. Free memory was 161.8 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 29.77 ms. Allocated memory is still 205.5 MB. Free memory was 159.8 MB in the beginning and 158.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 482.27 ms. Allocated memory is still 205.5 MB. Free memory was 158.5 MB in the beginning and 133.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3797.65 ms. Allocated memory was 205.5 MB in the beginning and 287.8 MB in the end (delta: 82.3 MB). Free memory was 133.1 MB in the beginning and 194.9 MB in the end (delta: -61.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 97 ProgramPointsBefore, 41 ProgramPointsAfterwards, 86 TransitionsBefore, 29 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 1043 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4485 CheckedPairsTotal, 67 TotalNumberOfCompositions - PositiveResult [Line: 7]: 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, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 173 SDtfs, 207 SDslu, 248 SDs, 0 SdLazy, 45 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 2859 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...