/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-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 19:26:37,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 19:26:37,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 19:26:37,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 19:26:37,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 19:26:37,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 19:26:37,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 19:26:37,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 19:26:37,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 19:26:37,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 19:26:37,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 19:26:37,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 19:26:37,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 19:26:37,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 19:26:37,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 19:26:37,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 19:26:37,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 19:26:37,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 19:26:37,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 19:26:37,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 19:26:37,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 19:26:37,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 19:26:37,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 19:26:37,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 19:26:37,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 19:26:37,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 19:26:37,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 19:26:37,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 19:26:37,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 19:26:37,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 19:26:37,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 19:26:37,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 19:26:37,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 19:26:37,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 19:26:37,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 19:26:37,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 19:26:37,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 19:26:37,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 19:26:37,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 19:26:37,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 19:26:37,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 19:26:37,658 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-NoLbe-McrStrategy.epf [2020-04-18 19:26:37,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 19:26:37,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 19:26:37,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 19:26:37,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 19:26:37,674 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 19:26:37,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 19:26:37,674 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 19:26:37,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 19:26:37,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 19:26:37,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 19:26:37,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 19:26:37,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 19:26:37,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 19:26:37,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 19:26:37,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 19:26:37,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 19:26:37,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 19:26:37,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 19:26:37,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 19:26:37,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 19:26:37,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 19:26:37,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 19:26:37,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 19:26:37,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 19:26:37,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 19:26:37,678 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 19:26:37,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 19:26:37,678 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 19:26:37,679 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 19:26:37,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 19:26:37,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 19:26:37,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 19:26:37,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 19:26:37,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 19:26:37,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 19:26:37,980 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 19:26:37,981 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2020-04-18 19:26:38,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da4cdf8c/b98273ac537e4701948b6724cabcd094/FLAGfa7963697 [2020-04-18 19:26:38,584 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 19:26:38,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2020-04-18 19:26:38,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da4cdf8c/b98273ac537e4701948b6724cabcd094/FLAGfa7963697 [2020-04-18 19:26:38,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da4cdf8c/b98273ac537e4701948b6724cabcd094 [2020-04-18 19:26:38,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 19:26:38,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 19:26:38,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 19:26:38,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 19:26:38,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 19:26:38,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:26:38" (1/1) ... [2020-04-18 19:26:38,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ad39a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:38, skipping insertion in model container [2020-04-18 19:26:38,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:26:38" (1/1) ... [2020-04-18 19:26:38,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 19:26:38,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 19:26:39,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 19:26:39,450 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 19:26:39,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 19:26:39,583 INFO L208 MainTranslator]: Completed translation [2020-04-18 19:26:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39 WrapperNode [2020-04-18 19:26:39,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 19:26:39,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 19:26:39,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 19:26:39,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 19:26:39,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 19:26:39,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 19:26:39,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 19:26:39,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 19:26:39,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (1/1) ... [2020-04-18 19:26:39,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 19:26:39,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 19:26:39,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 19:26:39,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 19:26:39,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (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 [2020-04-18 19:26:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 19:26:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 19:26:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 19:26:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 19:26:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 19:26:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 19:26:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 19:26:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 19:26:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 19:26:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 19:26:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 19:26:39,750 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 19:26:40,143 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 19:26:40,143 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 19:26:40,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:26:40 BoogieIcfgContainer [2020-04-18 19:26:40,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 19:26:40,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 19:26:40,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 19:26:40,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 19:26:40,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:26:38" (1/3) ... [2020-04-18 19:26:40,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50adf91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:26:40, skipping insertion in model container [2020-04-18 19:26:40,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:39" (2/3) ... [2020-04-18 19:26:40,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50adf91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:26:40, skipping insertion in model container [2020-04-18 19:26:40,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:26:40" (3/3) ... [2020-04-18 19:26:40,157 INFO L109 eAbstractionObserver]: Analyzing ICFG safe010_tso.opt.i [2020-04-18 19:26:40,165 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 19:26:40,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 19:26:40,172 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 19:26:40,173 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 19:26:40,195 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,195 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,196 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,196 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,197 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,197 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,197 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,198 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,198 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,198 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,199 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,199 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,203 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,204 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,204 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,204 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,211 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,211 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,212 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,212 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 19:26:40,229 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 19:26:40,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 19:26:40,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 19:26:40,249 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 19:26:40,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 19:26:40,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 19:26:40,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 19:26:40,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 19:26:40,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 19:26:40,263 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 55 transitions, 120 flow [2020-04-18 19:26:40,336 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1120 states. [2020-04-18 19:26:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2020-04-18 19:26:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-04-18 19:26:40,368 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 19:26:40,370 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 19:26:40,370 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 19:26:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:40,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1893999798, now seen corresponding path program 1 times [2020-04-18 19:26:40,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 19:26:40,387 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1852589113] [2020-04-18 19:26:40,405 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:40,420 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 30 transitions. [2020-04-18 19:26:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-04-18 19:26:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-04-18 19:26:40,424 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 19:26:40,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1893999798, now seen corresponding path program 2 times [2020-04-18 19:26:40,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:40,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110438668] [2020-04-18 19:26:40,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:40,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110438668] [2020-04-18 19:26:40,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:40,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 19:26:40,879 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:40,882 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:40,890 INFO L259 McrAutomatonBuilder]: Finished intersection with 31 states and 30 transitions. [2020-04-18 19:26:40,891 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:40,982 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 19:26:40,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 19:26:40,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 19:26:40,988 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 7 states. [2020-04-18 19:26:41,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:41,077 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-04-18 19:26:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-04-18 19:26:41,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 19:26:41,079 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1852589113] [2020-04-18 19:26:41,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 19:26:41,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 19:26:41,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1852589113] [2020-04-18 19:26:41,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 19:26:41,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 19:26:41,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 19:26:41,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 19:26:41,088 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 7 states. [2020-04-18 19:26:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:41,392 INFO L93 Difference]: Finished difference Result 2192 states and 5638 transitions. [2020-04-18 19:26:41,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 19:26:41,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-04-18 19:26:41,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 19:26:41,427 INFO L225 Difference]: With dead ends: 2192 [2020-04-18 19:26:41,427 INFO L226 Difference]: Without dead ends: 715 [2020-04-18 19:26:41,432 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-04-18 19:26:41,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2020-04-18 19:26:41,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 595. [2020-04-18 19:26:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-04-18 19:26:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 1463 transitions. [2020-04-18 19:26:41,549 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 1463 transitions. Word has length 30 [2020-04-18 19:26:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 19:26:41,549 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 1463 transitions. [2020-04-18 19:26:41,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 19:26:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1463 transitions. [2020-04-18 19:26:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 19:26:41,553 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 19:26:41,553 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 19:26:41,554 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 19:26:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:41,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1352678987, now seen corresponding path program 1 times [2020-04-18 19:26:41,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 19:26:41,555 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [937950609] [2020-04-18 19:26:41,556 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:41,558 INFO L259 McrAutomatonBuilder]: Finished intersection with 57 states and 80 transitions. [2020-04-18 19:26:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-04-18 19:26:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 19:26:41,563 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 19:26:41,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:41,570 INFO L82 PathProgramCache]: Analyzing trace with hash 932331595, now seen corresponding path program 2 times [2020-04-18 19:26:41,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:41,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059758002] [2020-04-18 19:26:41,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:41,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059758002] [2020-04-18 19:26:41,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:41,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 19:26:41,762 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:41,764 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:41,769 INFO L259 McrAutomatonBuilder]: Finished intersection with 50 states and 66 transitions. [2020-04-18 19:26:41,769 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:41,814 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 19:26:41,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 19:26:41,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 19:26:41,815 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 7 states. [2020-04-18 19:26:41,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:41,968 INFO L93 Difference]: Finished difference Result 63 states and 85 transitions. [2020-04-18 19:26:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2020-04-18 19:26:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 19:26:41,969 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 19:26:41,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:41,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1352678987, now seen corresponding path program 3 times [2020-04-18 19:26:41,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:41,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147515806] [2020-04-18 19:26:41,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:42,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147515806] [2020-04-18 19:26:42,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:42,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 19:26:42,168 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:42,173 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:42,178 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 56 transitions. [2020-04-18 19:26:42,179 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:42,314 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 19:26:42,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 19:26:42,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-04-18 19:26:42,332 INFO L87 Difference]: Start difference. First operand 63 states and 85 transitions. Second operand 11 states. [2020-04-18 19:26:42,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:42,473 INFO L93 Difference]: Finished difference Result 63 states and 85 transitions. [2020-04-18 19:26:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2020-04-18 19:26:42,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 19:26:42,474 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [937950609] [2020-04-18 19:26:42,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 19:26:42,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 19:26:42,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [937950609] [2020-04-18 19:26:42,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-04-18 19:26:42,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 19:26:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-04-18 19:26:42,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-04-18 19:26:42,477 INFO L87 Difference]: Start difference. First operand 595 states and 1463 transitions. Second operand 12 states. [2020-04-18 19:26:42,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:42,660 INFO L93 Difference]: Finished difference Result 673 states and 1612 transitions. [2020-04-18 19:26:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-04-18 19:26:42,661 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2020-04-18 19:26:42,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 19:26:42,664 INFO L225 Difference]: With dead ends: 673 [2020-04-18 19:26:42,664 INFO L226 Difference]: Without dead ends: 288 [2020-04-18 19:26:42,666 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2020-04-18 19:26:42,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-04-18 19:26:42,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-04-18 19:26:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-04-18 19:26:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 646 transitions. [2020-04-18 19:26:42,687 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 646 transitions. Word has length 32 [2020-04-18 19:26:42,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 19:26:42,688 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 646 transitions. [2020-04-18 19:26:42,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-04-18 19:26:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 646 transitions. [2020-04-18 19:26:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 19:26:42,689 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 19:26:42,690 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 19:26:42,690 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 19:26:42,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:42,691 INFO L82 PathProgramCache]: Analyzing trace with hash 939874052, now seen corresponding path program 1 times [2020-04-18 19:26:42,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 19:26:42,694 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [76061150] [2020-04-18 19:26:42,696 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:42,698 INFO L259 McrAutomatonBuilder]: Finished intersection with 186 states and 407 transitions. [2020-04-18 19:26:42,703 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-04-18 19:26:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 19:26:42,706 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 19:26:42,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:42,707 INFO L82 PathProgramCache]: Analyzing trace with hash 519526660, now seen corresponding path program 2 times [2020-04-18 19:26:42,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:42,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736921034] [2020-04-18 19:26:42,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:42,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736921034] [2020-04-18 19:26:42,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:42,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 19:26:42,915 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:42,919 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:42,935 INFO L259 McrAutomatonBuilder]: Finished intersection with 116 states and 219 transitions. [2020-04-18 19:26:42,935 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:42,978 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times. [2020-04-18 19:26:42,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 19:26:42,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 19:26:42,978 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 7 states. [2020-04-18 19:26:43,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:43,103 INFO L93 Difference]: Finished difference Result 210 states and 445 transitions. [2020-04-18 19:26:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 445 transitions. [2020-04-18 19:26:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 19:26:43,104 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 19:26:43,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:43,105 INFO L82 PathProgramCache]: Analyzing trace with hash 939874052, now seen corresponding path program 3 times [2020-04-18 19:26:43,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:43,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035567902] [2020-04-18 19:26:43,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:43,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035567902] [2020-04-18 19:26:43,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:43,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 19:26:43,233 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:43,236 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:43,244 INFO L259 McrAutomatonBuilder]: Finished intersection with 99 states and 179 transitions. [2020-04-18 19:26:43,245 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:43,329 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 12 times. [2020-04-18 19:26:43,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 19:26:43,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-04-18 19:26:43,330 INFO L87 Difference]: Start difference. First operand 210 states and 445 transitions. Second operand 6 states. [2020-04-18 19:26:43,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:43,393 INFO L93 Difference]: Finished difference Result 210 states and 445 transitions. [2020-04-18 19:26:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 445 transitions. [2020-04-18 19:26:43,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 19:26:43,394 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [76061150] [2020-04-18 19:26:43,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 19:26:43,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 19:26:43,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [76061150] [2020-04-18 19:26:43,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-18 19:26:43,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 19:26:43,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 19:26:43,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-04-18 19:26:43,396 INFO L87 Difference]: Start difference. First operand 288 states and 646 transitions. Second operand 11 states. [2020-04-18 19:26:43,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:43,672 INFO L93 Difference]: Finished difference Result 285 states and 618 transitions. [2020-04-18 19:26:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-04-18 19:26:43,672 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2020-04-18 19:26:43,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 19:26:43,674 INFO L225 Difference]: With dead ends: 285 [2020-04-18 19:26:43,674 INFO L226 Difference]: Without dead ends: 213 [2020-04-18 19:26:43,675 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2020-04-18 19:26:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-04-18 19:26:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2020-04-18 19:26:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-04-18 19:26:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 451 transitions. [2020-04-18 19:26:43,683 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 451 transitions. Word has length 35 [2020-04-18 19:26:43,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 19:26:43,684 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 451 transitions. [2020-04-18 19:26:43,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-18 19:26:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 451 transitions. [2020-04-18 19:26:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-18 19:26:43,685 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 19:26:43,685 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 19:26:43,685 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 19:26:43,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:43,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2077246515, now seen corresponding path program 1 times [2020-04-18 19:26:43,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 19:26:43,686 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [710221547] [2020-04-18 19:26:43,688 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:43,693 INFO L259 McrAutomatonBuilder]: Finished intersection with 229 states and 516 transitions. [2020-04-18 19:26:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states. [2020-04-18 19:26:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-18 19:26:43,696 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 19:26:43,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1797373389, now seen corresponding path program 2 times [2020-04-18 19:26:43,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:43,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415899452] [2020-04-18 19:26:43,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:43,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415899452] [2020-04-18 19:26:43,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:43,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 19:26:43,780 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:43,782 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:43,796 INFO L259 McrAutomatonBuilder]: Finished intersection with 82 states and 130 transitions. [2020-04-18 19:26:43,796 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:43,824 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 19:26:43,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 19:26:43,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 19:26:43,825 INFO L87 Difference]: Start difference. First operand 229 states. Second operand 6 states. [2020-04-18 19:26:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:43,922 INFO L93 Difference]: Finished difference Result 259 states and 565 transitions. [2020-04-18 19:26:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 565 transitions. [2020-04-18 19:26:43,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-18 19:26:43,924 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 19:26:43,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 19:26:43,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2077246515, now seen corresponding path program 3 times [2020-04-18 19:26:43,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 19:26:43,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379156218] [2020-04-18 19:26:43,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 19:26:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 19:26:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 19:26:44,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379156218] [2020-04-18 19:26:44,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 19:26:44,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 19:26:44,018 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 19:26:44,021 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 19:26:44,027 INFO L259 McrAutomatonBuilder]: Finished intersection with 79 states and 125 transitions. [2020-04-18 19:26:44,028 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 19:26:44,098 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 19:26:44,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 19:26:44,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2020-04-18 19:26:44,099 INFO L87 Difference]: Start difference. First operand 259 states and 565 transitions. Second operand 7 states. [2020-04-18 19:26:44,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:44,215 INFO L93 Difference]: Finished difference Result 259 states and 565 transitions. [2020-04-18 19:26:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 565 transitions. [2020-04-18 19:26:44,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 19:26:44,216 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [710221547] [2020-04-18 19:26:44,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 19:26:44,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 19:26:44,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [710221547] [2020-04-18 19:26:44,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-18 19:26:44,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 19:26:44,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 19:26:44,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2020-04-18 19:26:44,218 INFO L87 Difference]: Start difference. First operand 213 states and 451 transitions. Second operand 11 states. [2020-04-18 19:26:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 19:26:44,352 INFO L93 Difference]: Finished difference Result 114 states and 220 transitions. [2020-04-18 19:26:44,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-04-18 19:26:44,353 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2020-04-18 19:26:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 19:26:44,354 INFO L225 Difference]: With dead ends: 114 [2020-04-18 19:26:44,354 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 19:26:44,354 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2020-04-18 19:26:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 19:26:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 19:26:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 19:26:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 19:26:44,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-04-18 19:26:44,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 19:26:44,356 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 19:26:44,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-18 19:26:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 19:26:44,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 19:26:44,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:26:44 BasicIcfg [2020-04-18 19:26:44,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 19:26:44,371 INFO L168 Benchmark]: Toolchain (without parser) took 5490.63 ms. Allocated memory was 143.7 MB in the beginning and 296.7 MB in the end (delta: 153.1 MB). Free memory was 98.9 MB in the beginning and 246.2 MB in the end (delta: -147.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-04-18 19:26:44,372 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 19:26:44,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 97.0 MB in the beginning and 157.3 MB in the end (delta: -60.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-04-18 19:26:44,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.38 ms. Allocated memory is still 201.3 MB. Free memory was 157.3 MB in the beginning and 155.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 19:26:44,377 INFO L168 Benchmark]: Boogie Preprocessor took 35.21 ms. Allocated memory is still 201.3 MB. Free memory was 155.2 MB in the beginning and 153.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 19:26:44,377 INFO L168 Benchmark]: RCFGBuilder took 465.41 ms. Allocated memory is still 201.3 MB. Free memory was 153.8 MB in the beginning and 134.3 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-04-18 19:26:44,378 INFO L168 Benchmark]: TraceAbstraction took 4213.86 ms. Allocated memory was 201.3 MB in the beginning and 296.7 MB in the end (delta: 95.4 MB). Free memory was 133.6 MB in the beginning and 246.2 MB in the end (delta: -112.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 19:26:44,388 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 97.0 MB in the beginning and 157.3 MB in the end (delta: -60.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.38 ms. Allocated memory is still 201.3 MB. Free memory was 157.3 MB in the beginning and 155.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.21 ms. Allocated memory is still 201.3 MB. Free memory was 155.2 MB in the beginning and 153.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.41 ms. Allocated memory is still 201.3 MB. Free memory was 153.8 MB in the beginning and 134.3 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4213.86 ms. Allocated memory was 201.3 MB in the beginning and 296.7 MB in the end (delta: 95.4 MB). Free memory was 133.6 MB in the beginning and 246.2 MB in the end (delta: -112.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 3 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 247 SDtfs, 587 SDslu, 1219 SDs, 0 SdLazy, 212 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1120occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 120 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...