/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:42:50,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:42:50,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:42:50,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:42:50,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:42:50,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:42:50,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:42:50,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:42:50,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:42:50,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:42:50,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:42:50,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:42:50,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:42:50,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:42:50,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:42:50,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:42:50,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:42:50,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:42:50,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:42:50,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:42:50,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:42:50,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:42:50,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:42:50,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:42:50,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:42:50,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:42:50,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:42:50,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:42:50,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:42:50,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:42:50,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:42:50,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:42:50,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:42:50,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:42:50,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:42:50,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:42:50,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:42:50,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:42:50,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:42:50,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:42:50,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:42:50,657 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:42:50,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:42:50,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:42:50,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:42:50,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:42:50,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:42:50,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:42:50,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:42:50,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:42:50,660 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:42:50,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:42:50,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:42:50,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:42:50,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:42:50,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:42:50,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:42:50,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:42:50,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:42:50,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:42:50,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:42:50,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:42:50,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:42:50,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:42:50,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:42:50,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:42:50,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:42:50,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:42:50,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:42:50,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:42:50,963 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:42:50,963 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i [2020-10-05 23:42:51,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fe4ff2e/026d9874d63847b2be94e4d5108d2d31/FLAGc28f78d36 [2020-10-05 23:42:51,576 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:42:51,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i [2020-10-05 23:42:51,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fe4ff2e/026d9874d63847b2be94e4d5108d2d31/FLAGc28f78d36 [2020-10-05 23:42:51,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fe4ff2e/026d9874d63847b2be94e4d5108d2d31 [2020-10-05 23:42:51,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:42:51,849 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:42:51,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:51,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:42:51,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:42:51,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:51" (1/1) ... [2020-10-05 23:42:51,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f18bf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:51, skipping insertion in model container [2020-10-05 23:42:51,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:51" (1/1) ... [2020-10-05 23:42:51,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:42:51,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:42:52,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:52,305 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:42:52,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:52,581 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:42:52,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52 WrapperNode [2020-10-05 23:42:52,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:52,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:52,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:42:52,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:42:52,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:52,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:42:52,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:42:52,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:42:52,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (1/1) ... [2020-10-05 23:42:52,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:42:52,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:42:52,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:42:52,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:42:52,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (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 [2020-10-05 23:42:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:42:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:42:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:42:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:42:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:42:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:42:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:42:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:42:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:42:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:42:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:42:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:42:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:42:52,727 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:42:53,067 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:42:53,067 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:42:53,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:53 BoogieIcfgContainer [2020-10-05 23:42:53,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:42:53,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:42:53,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:42:53,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:42:53,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:42:51" (1/3) ... [2020-10-05 23:42:53,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f651499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:53, skipping insertion in model container [2020-10-05 23:42:53,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:52" (2/3) ... [2020-10-05 23:42:53,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f651499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:53, skipping insertion in model container [2020-10-05 23:42:53,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:53" (3/3) ... [2020-10-05 23:42:53,078 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_power.oepc.i [2020-10-05 23:42:53,089 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:42:53,090 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:42:53,100 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:42:53,101 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:42:53,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,131 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,131 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,136 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,137 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,143 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,144 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,146 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,146 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:53,163 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:42:53,184 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:42:53,184 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:42:53,184 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:42:53,185 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:42:53,185 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:42:53,185 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:42:53,185 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:42:53,185 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:42:53,201 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-05 23:42:53,203 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 23:42:53,247 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 23:42:53,247 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:53,252 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:42:53,255 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 23:42:53,280 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 23:42:53,280 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:53,281 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:42:53,283 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 23:42:53,284 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:42:54,359 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315 [2020-10-05 23:42:54,360 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-10-05 23:42:54,363 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-05 23:42:54,393 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-05 23:42:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-05 23:42:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:42:54,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:54,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:54,405 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:54,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:54,411 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times [2020-10-05 23:42:54,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:54,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718678745] [2020-10-05 23:42:54,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:54,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718678745] [2020-10-05 23:42:54,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:54,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:42:54,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804902130] [2020-10-05 23:42:54,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-05 23:42:54,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:54,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-05 23:42:54,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:42:54,625 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-05 23:42:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:54,657 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-05 23:42:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-05 23:42:54,659 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-05 23:42:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:54,688 INFO L225 Difference]: With dead ends: 362 [2020-10-05 23:42:54,688 INFO L226 Difference]: Without dead ends: 298 [2020-10-05 23:42:54,690 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 [2020-10-05 23:42:54,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-05 23:42:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-05 23:42:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-05 23:42:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-05 23:42:54,767 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-05 23:42:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:54,768 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-05 23:42:54,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-05 23:42:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-05 23:42:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:42:54,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:54,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:54,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:42:54,777 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:54,777 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times [2020-10-05 23:42:54,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:54,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247642931] [2020-10-05 23:42:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:54,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247642931] [2020-10-05 23:42:54,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:54,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:42:54,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226212422] [2020-10-05 23:42:54,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:42:54,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:54,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:42:54,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:54,877 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-10-05 23:42:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:54,895 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-10-05 23:42:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:42:54,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:42:54,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:54,898 INFO L225 Difference]: With dead ends: 217 [2020-10-05 23:42:54,898 INFO L226 Difference]: Without dead ends: 217 [2020-10-05 23:42:54,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-05 23:42:54,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-10-05 23:42:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-05 23:42:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-10-05 23:42:54,916 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-10-05 23:42:54,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:54,916 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-10-05 23:42:54,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:42:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-10-05 23:42:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:42:54,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:54,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:54,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:42:54,919 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:54,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times [2020-10-05 23:42:54,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:54,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195164982] [2020-10-05 23:42:54,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:55,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195164982] [2020-10-05 23:42:55,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:55,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:42:55,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905792545] [2020-10-05 23:42:55,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:42:55,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:55,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:42:55,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:55,025 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-10-05 23:42:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:55,050 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-10-05 23:42:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:42:55,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:42:55,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:55,052 INFO L225 Difference]: With dead ends: 136 [2020-10-05 23:42:55,052 INFO L226 Difference]: Without dead ends: 136 [2020-10-05 23:42:55,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:55,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-05 23:42:55,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-05 23:42:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-05 23:42:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-10-05 23:42:55,061 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-10-05 23:42:55,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:55,061 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-10-05 23:42:55,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:42:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-10-05 23:42:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:42:55,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:55,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:55,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:42:55,064 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:55,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:55,064 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times [2020-10-05 23:42:55,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:55,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369979282] [2020-10-05 23:42:55,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:55,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369979282] [2020-10-05 23:42:55,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:55,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:55,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481095919] [2020-10-05 23:42:55,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:55,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:55,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:55,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:55,136 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-10-05 23:42:55,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:55,164 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-10-05 23:42:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:55,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:42:55,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:55,166 INFO L225 Difference]: With dead ends: 109 [2020-10-05 23:42:55,166 INFO L226 Difference]: Without dead ends: 109 [2020-10-05 23:42:55,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:55,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-05 23:42:55,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-05 23:42:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-05 23:42:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-10-05 23:42:55,172 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-10-05 23:42:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:55,173 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-10-05 23:42:55,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-10-05 23:42:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:42:55,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:55,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:55,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:42:55,175 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:55,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:55,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times [2020-10-05 23:42:55,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:55,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456937625] [2020-10-05 23:42:55,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:55,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456937625] [2020-10-05 23:42:55,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:55,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:55,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576940078] [2020-10-05 23:42:55,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:55,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:55,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:55,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:55,287 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states. [2020-10-05 23:42:55,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:55,322 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-10-05 23:42:55,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:55,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:42:55,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:55,324 INFO L225 Difference]: With dead ends: 135 [2020-10-05 23:42:55,324 INFO L226 Difference]: Without dead ends: 55 [2020-10-05 23:42:55,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:55,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-05 23:42:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-05 23:42:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-05 23:42:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-10-05 23:42:55,328 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18 [2020-10-05 23:42:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:55,328 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-10-05 23:42:55,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-10-05 23:42:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:42:55,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:55,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:55,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:42:55,330 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:55,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:55,331 INFO L82 PathProgramCache]: Analyzing trace with hash -442498565, now seen corresponding path program 2 times [2020-10-05 23:42:55,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:55,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298154414] [2020-10-05 23:42:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:55,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298154414] [2020-10-05 23:42:55,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:55,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:55,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355302769] [2020-10-05 23:42:55,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:55,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:55,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:55,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:55,397 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 5 states. [2020-10-05 23:42:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:55,429 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions. [2020-10-05 23:42:55,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:55,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:42:55,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:55,430 INFO L225 Difference]: With dead ends: 75 [2020-10-05 23:42:55,430 INFO L226 Difference]: Without dead ends: 37 [2020-10-05 23:42:55,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:55,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-05 23:42:55,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-05 23:42:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-05 23:42:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-10-05 23:42:55,433 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-10-05 23:42:55,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:55,433 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-10-05 23:42:55,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-10-05 23:42:55,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:42:55,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:55,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:55,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:42:55,435 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:55,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:55,435 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times [2020-10-05 23:42:55,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:55,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554703731] [2020-10-05 23:42:55,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:55,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554703731] [2020-10-05 23:42:55,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:55,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:55,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630937049] [2020-10-05 23:42:55,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:55,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:55,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:55,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:55,491 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states. [2020-10-05 23:42:55,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:55,515 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-10-05 23:42:55,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:55,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:42:55,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:55,515 INFO L225 Difference]: With dead ends: 36 [2020-10-05 23:42:55,516 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:42:55,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:55,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:42:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:42:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:42:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:42:55,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-05 23:42:55,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:55,517 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:42:55,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:42:55,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:42:55,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:42:55,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:42:55 BasicIcfg [2020-10-05 23:42:55,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:42:55,525 INFO L168 Benchmark]: Toolchain (without parser) took 3674.91 ms. Allocated memory was 146.8 MB in the beginning and 246.4 MB in the end (delta: 99.6 MB). Free memory was 101.7 MB in the beginning and 125.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,525 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.75 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 163.2 MB in the end (delta: -61.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.86 ms. Allocated memory is still 204.5 MB. Free memory was 162.6 MB in the beginning and 160.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,528 INFO L168 Benchmark]: Boogie Preprocessor took 26.53 ms. Allocated memory is still 204.5 MB. Free memory was 160.6 MB in the beginning and 159.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,529 INFO L168 Benchmark]: RCFGBuilder took 412.72 ms. Allocated memory is still 204.5 MB. Free memory was 159.2 MB in the beginning and 137.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,530 INFO L168 Benchmark]: TraceAbstraction took 2450.71 ms. Allocated memory was 204.5 MB in the beginning and 246.4 MB in the end (delta: 41.9 MB). Free memory was 136.5 MB in the beginning and 125.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:55,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.75 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 163.2 MB in the end (delta: -61.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.86 ms. Allocated memory is still 204.5 MB. Free memory was 162.6 MB in the beginning and 160.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.53 ms. Allocated memory is still 204.5 MB. Free memory was 160.6 MB in the beginning and 159.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.72 ms. Allocated memory is still 204.5 MB. Free memory was 159.2 MB in the beginning and 137.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2450.71 ms. Allocated memory was 204.5 MB in the beginning and 246.4 MB in the end (delta: 41.9 MB). Free memory was 136.5 MB in the beginning and 125.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 640 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 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 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 138 SDtfs, 89 SDslu, 207 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...