/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:09:31,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:09:31,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:09:31,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:09:31,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:09:31,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:09:31,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:09:31,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:09:31,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:09:31,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:09:31,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:09:31,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:09:31,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:09:31,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:09:31,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:09:31,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:09:31,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:09:31,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:09:31,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:09:31,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:09:31,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:09:31,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:09:31,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:09:31,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:09:31,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 17:09:31,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:09:31,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:09:31,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:09:31,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:09:31,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:09:31,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:09:31,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:09:31,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:09:31,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:09:31,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:09:31,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:09:31,817 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-McrAutomaton-SP.epf [2020-11-09 17:09:31,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:09:31,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:09:31,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:09:31,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:09:31,896 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:09:31,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:09:31,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:09:31,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:09:31,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:09:31,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:09:31,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:09:31,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:09:31,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:09:31,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:09:31,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:09:31,899 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:09:31,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:09:31,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:09:31,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:09:31,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:09:31,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:09:31,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:09:31,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:09:31,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:09:31,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:09:31,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:09:31,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:09:31,902 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:09:31,902 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:09:31,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:09:31,903 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:09:32,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:09:32,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:09:32,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:09:32,359 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:09:32,360 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:09:32,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2020-11-09 17:09:32,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647be239a/ba3239cf0d4b4cd580de87d769398ac4/FLAGe87ec3bbe [2020-11-09 17:09:33,322 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:09:33,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2020-11-09 17:09:33,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647be239a/ba3239cf0d4b4cd580de87d769398ac4/FLAGe87ec3bbe [2020-11-09 17:09:33,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647be239a/ba3239cf0d4b4cd580de87d769398ac4 [2020-11-09 17:09:33,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:09:33,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:09:33,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:09:33,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:09:33,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:09:33,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:09:33" (1/1) ... [2020-11-09 17:09:33,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26793f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:33, skipping insertion in model container [2020-11-09 17:09:33,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:09:33" (1/1) ... [2020-11-09 17:09:33,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:09:33,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:09:34,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:09:34,171 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:09:34,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:09:34,349 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:09:34,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34 WrapperNode [2020-11-09 17:09:34,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:09:34,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:09:34,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:09:34,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:09:34,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:09:34,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:09:34,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:09:34,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:09:34,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (1/1) ... [2020-11-09 17:09:34,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:09:34,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:09:34,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:09:34,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:09:34,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (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 [2020-11-09 17:09:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:09:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 17:09:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:09:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:09:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 17:09:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 17:09:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 17:09:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 17:09:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:09:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 17:09:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:09:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:09:34,532 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:09:35,045 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:09:35,046 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 17:09:35,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:35 BoogieIcfgContainer [2020-11-09 17:09:35,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:09:35,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:09:35,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:09:35,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:09:35,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:09:33" (1/3) ... [2020-11-09 17:09:35,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1233fe7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:35, skipping insertion in model container [2020-11-09 17:09:35,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:09:34" (2/3) ... [2020-11-09 17:09:35,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1233fe7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:35, skipping insertion in model container [2020-11-09 17:09:35,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:35" (3/3) ... [2020-11-09 17:09:35,058 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.opt.i [2020-11-09 17:09:35,076 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:09:35,076 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:09:35,080 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 17:09:35,082 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:09:35,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,115 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,115 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,117 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,123 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,131 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,131 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:09:35,135 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 17:09:35,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 17:09:35,173 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:09:35,173 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:09:35,173 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:09:35,173 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:09:35,174 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:09:35,174 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:09:35,174 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:09:35,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:09:35,186 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:09:35,187 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-09 17:09:35,190 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-09 17:09:35,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-09 17:09:35,245 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-09 17:09:35,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 17:09:35,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-09 17:09:35,258 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-09 17:09:36,384 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-09 17:09:37,820 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-09 17:09:38,045 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-09 17:09:38,506 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-09 17:09:38,627 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 17:09:38,881 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-09 17:09:38,998 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 17:09:39,049 INFO L131 LiptonReduction]: Checked pairs total: 1892 [2020-11-09 17:09:39,049 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-11-09 17:09:39,057 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-09 17:09:39,070 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-11-09 17:09:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-11-09 17:09:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 17:09:39,079 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:09:39,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 17:09:39,080 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:09:39,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:09:39,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1281927427, now seen corresponding path program 1 times [2020-11-09 17:09:39,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:09:39,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433123745] [2020-11-09 17:09:39,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:09:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:09:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:09:39,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433123745] [2020-11-09 17:09:39,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:09:39,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:09:39,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [189438748] [2020-11-09 17:09:39,389 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:09:39,396 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:09:39,411 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-11-09 17:09:39,412 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:09:39,418 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:09:39,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 17:09:39,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:09:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 17:09:39,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:09:39,442 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-11-09 17:09:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:09:39,453 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-09 17:09:39,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 17:09:39,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-09 17:09:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:09:39,464 INFO L225 Difference]: With dead ends: 90 [2020-11-09 17:09:39,464 INFO L226 Difference]: Without dead ends: 74 [2020-11-09 17:09:39,465 INFO L677 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 [2020-11-09 17:09:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-09 17:09:39,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-09 17:09:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-09 17:09:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-09 17:09:39,510 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-09 17:09:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:09:39,510 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-09 17:09:39,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 17:09:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-09 17:09:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 17:09:39,511 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:09:39,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:09:39,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:09:39,512 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:09:39,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:09:39,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1085050971, now seen corresponding path program 1 times [2020-11-09 17:09:39,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:09:39,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970705699] [2020-11-09 17:09:39,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:09:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:09:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:09:39,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970705699] [2020-11-09 17:09:39,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:09:39,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:09:39,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1610025983] [2020-11-09 17:09:39,724 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:09:39,725 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:09:39,726 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-11-09 17:09:39,727 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:09:39,727 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:09:39,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:09:39,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:09:39,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:09:39,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:09:39,730 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 5 states. [2020-11-09 17:09:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:09:39,800 INFO L93 Difference]: Finished difference Result 82 states and 166 transitions. [2020-11-09 17:09:39,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 17:09:39,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-11-09 17:09:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:09:39,802 INFO L225 Difference]: With dead ends: 82 [2020-11-09 17:09:39,802 INFO L226 Difference]: Without dead ends: 66 [2020-11-09 17:09:39,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:09:39,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-09 17:09:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-11-09 17:09:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-09 17:09:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 138 transitions. [2020-11-09 17:09:39,815 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 138 transitions. Word has length 7 [2020-11-09 17:09:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:09:39,815 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 138 transitions. [2020-11-09 17:09:39,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:09:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 138 transitions. [2020-11-09 17:09:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 17:09:39,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:09:39,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:09:39,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:09:39,818 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:09:39,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:09:39,819 INFO L82 PathProgramCache]: Analyzing trace with hash 722349434, now seen corresponding path program 1 times [2020-11-09 17:09:39,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:09:39,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443953465] [2020-11-09 17:09:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:09:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:09:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:09:39,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443953465] [2020-11-09 17:09:39,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:09:39,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:09:39,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1985880686] [2020-11-09 17:09:39,898 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:09:39,899 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:09:39,901 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 10 transitions. [2020-11-09 17:09:39,901 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:09:39,924 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:09:39,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:09:39,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:09:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:09:39,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:09:39,926 INFO L87 Difference]: Start difference. First operand 66 states and 138 transitions. Second operand 5 states. [2020-11-09 17:09:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:09:39,984 INFO L93 Difference]: Finished difference Result 78 states and 155 transitions. [2020-11-09 17:09:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:09:39,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-11-09 17:09:39,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:09:39,985 INFO L225 Difference]: With dead ends: 78 [2020-11-09 17:09:39,985 INFO L226 Difference]: Without dead ends: 42 [2020-11-09 17:09:39,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 17:09:39,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-09 17:09:39,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-09 17:09:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-09 17:09:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 76 transitions. [2020-11-09 17:09:39,992 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 76 transitions. Word has length 8 [2020-11-09 17:09:39,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:09:39,992 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 76 transitions. [2020-11-09 17:09:39,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:09:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2020-11-09 17:09:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 17:09:39,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:09:39,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:09:39,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:09:39,994 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:09:39,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:09:39,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1631439828, now seen corresponding path program 1 times [2020-11-09 17:09:39,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:09:39,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798416454] [2020-11-09 17:09:39,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:09:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:09:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:09:40,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798416454] [2020-11-09 17:09:40,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:09:40,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:09:40,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2052571182] [2020-11-09 17:09:40,104 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:09:40,105 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:09:40,107 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 24 transitions. [2020-11-09 17:09:40,108 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:09:40,133 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:09:40,206 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:09:40,254 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:09:40,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:09:40,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:09:40,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:09:40,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:09:40,256 INFO L87 Difference]: Start difference. First operand 42 states and 76 transitions. Second operand 4 states. [2020-11-09 17:09:40,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:09:40,296 INFO L93 Difference]: Finished difference Result 43 states and 68 transitions. [2020-11-09 17:09:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:09:40,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-09 17:09:40,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:09:40,299 INFO L225 Difference]: With dead ends: 43 [2020-11-09 17:09:40,302 INFO L226 Difference]: Without dead ends: 33 [2020-11-09 17:09:40,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:09:40,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-09 17:09:40,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-09 17:09:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-09 17:09:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-11-09 17:09:40,307 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 10 [2020-11-09 17:09:40,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:09:40,308 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-11-09 17:09:40,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:09:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-11-09 17:09:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 17:09:40,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:09:40,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:09:40,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:09:40,309 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:09:40,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:09:40,310 INFO L82 PathProgramCache]: Analyzing trace with hash 215135871, now seen corresponding path program 1 times [2020-11-09 17:09:40,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:09:40,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601112363] [2020-11-09 17:09:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:09:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:09:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:09:40,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601112363] [2020-11-09 17:09:40,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:09:40,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 17:09:40,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1716842949] [2020-11-09 17:09:40,422 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:09:40,424 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:09:40,426 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 27 transitions. [2020-11-09 17:09:40,427 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:09:40,494 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1008#(<= ~__unbuffered_cnt~0 0)] [2020-11-09 17:09:40,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 17:09:40,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:09:40,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 17:09:40,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 17:09:40,496 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 6 states. [2020-11-09 17:09:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:09:40,547 INFO L93 Difference]: Finished difference Result 28 states and 39 transitions. [2020-11-09 17:09:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:09:40,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-09 17:09:40,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:09:40,549 INFO L225 Difference]: With dead ends: 28 [2020-11-09 17:09:40,549 INFO L226 Difference]: Without dead ends: 23 [2020-11-09 17:09:40,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:09:40,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-09 17:09:40,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-09 17:09:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-09 17:09:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2020-11-09 17:09:40,553 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 31 transitions. Word has length 11 [2020-11-09 17:09:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:09:40,554 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 31 transitions. [2020-11-09 17:09:40,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 17:09:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2020-11-09 17:09:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 17:09:40,555 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:09:40,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:09:40,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:09:40,556 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:09:40,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:09:40,556 INFO L82 PathProgramCache]: Analyzing trace with hash 536770965, now seen corresponding path program 1 times [2020-11-09 17:09:40,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:09:40,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553277562] [2020-11-09 17:09:40,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:09:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:09:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:09:40,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553277562] [2020-11-09 17:09:40,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:09:40,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 17:09:40,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1184373537] [2020-11-09 17:09:40,666 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:09:40,668 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:09:40,673 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 29 transitions. [2020-11-09 17:09:40,673 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:09:40,693 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:09:40,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:09:40,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:09:40,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:09:40,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:09:40,694 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. Second operand 5 states. [2020-11-09 17:09:40,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:09:40,722 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2020-11-09 17:09:40,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:09:40,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 17:09:40,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:09:40,723 INFO L225 Difference]: With dead ends: 22 [2020-11-09 17:09:40,723 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 17:09:40,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:09:40,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 17:09:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 17:09:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 17:09:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 17:09:40,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-09 17:09:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:09:40,725 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 17:09:40,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:09:40,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 17:09:40,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 17:09:40,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 17:09:40,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:09:40 BasicIcfg [2020-11-09 17:09:40,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:09:40,730 INFO L168 Benchmark]: Toolchain (without parser) took 7172.09 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 125.8 MB in the beginning and 126.4 MB in the end (delta: -541.2 kB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. [2020-11-09 17:09:40,731 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 101.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:09:40,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.84 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 127.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. [2020-11-09 17:09:40,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.42 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 125.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:09:40,733 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 124.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:09:40,734 INFO L168 Benchmark]: RCFGBuilder took 610.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 104.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:09:40,735 INFO L168 Benchmark]: TraceAbstraction took 5678.78 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 104.4 MB in the beginning and 126.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-11-09 17:09:40,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 101.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 781.84 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 127.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.42 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 125.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 124.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 610.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 104.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5678.78 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 104.4 MB in the beginning and 126.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 450 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 22 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.8s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 1892 MoverChecksTotal - PositiveResult [Line: 17]: 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, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 84 SDtfs, 67 SDslu, 119 SDs, 0 SdLazy, 70 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...