/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-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:47:40,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:47:40,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:47:40,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:47:40,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:47:40,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:47:40,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:47:40,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:47:40,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:47:40,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:47:40,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:47:40,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:47:40,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:47:40,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:47:40,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:47:40,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:47:40,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:47:40,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:47:40,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:47:40,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:47:40,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:47:40,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:47:40,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:47:40,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:47:40,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 15:47:40,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:47:40,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:47:40,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:47:40,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:47:40,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:47:40,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:47:40,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:47:40,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:47:40,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:47:40,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:47:40,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:47:40,248 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-WP.epf [2020-11-09 15:47:40,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:47:40,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:47:40,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:47:40,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:47:40,306 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:47:40,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:47:40,307 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:47:40,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:47:40,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:47:40,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:47:40,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:47:40,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:47:40,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:47:40,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:47:40,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:47:40,310 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:47:40,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:47:40,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:47:40,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:47:40,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:47:40,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:47:40,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:47:40,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:47:40,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:47:40,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:47:40,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:47:40,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:47:40,312 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:47:40,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:47:40,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:47:40,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:47:40,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:47:40,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:47:40,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:47:40,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:47:40,782 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:47:40,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2020-11-09 15:47:40,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d6e503ea/e43793859bf94d61a976638fdebc74e6/FLAG5c038f465 [2020-11-09 15:47:41,524 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:47:41,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2020-11-09 15:47:41,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d6e503ea/e43793859bf94d61a976638fdebc74e6/FLAG5c038f465 [2020-11-09 15:47:41,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d6e503ea/e43793859bf94d61a976638fdebc74e6 [2020-11-09 15:47:41,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:47:41,817 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:47:41,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:47:41,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:47:41,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:47:41,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:47:41" (1/1) ... [2020-11-09 15:47:41,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af6b938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:41, skipping insertion in model container [2020-11-09 15:47:41,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:47:41" (1/1) ... [2020-11-09 15:47:41,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:47:41,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:47:42,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:47:42,385 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:47:42,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:47:42,604 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:47:42,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42 WrapperNode [2020-11-09 15:47:42,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:47:42,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:47:42,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:47:42,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:47:42,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:47:42,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:47:42,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:47:42,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:47:42,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (1/1) ... [2020-11-09 15:47:42,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:47:42,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:47:42,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:47:42,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:47:42,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (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 15:47:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:47:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:47:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:47:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:47:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 15:47:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 15:47:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 15:47:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 15:47:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 15:47:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 15:47:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 15:47:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 15:47:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:47:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:47:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:47:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:47:42,827 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 15:47:43,441 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:47:43,442 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 15:47:43,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:47:43 BoogieIcfgContainer [2020-11-09 15:47:43,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:47:43,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:47:43,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:47:43,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:47:43,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:47:41" (1/3) ... [2020-11-09 15:47:43,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8a094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:47:43, skipping insertion in model container [2020-11-09 15:47:43,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:47:42" (2/3) ... [2020-11-09 15:47:43,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8a094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:47:43, skipping insertion in model container [2020-11-09 15:47:43,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:47:43" (3/3) ... [2020-11-09 15:47:43,453 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.oepc.i [2020-11-09 15:47:43,472 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:47:43,472 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:47:43,476 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:47:43,478 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:47:43,523 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,523 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,524 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,524 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,524 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,524 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,524 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,525 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,527 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,527 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,528 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,528 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,528 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,528 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,530 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,530 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,530 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,530 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,532 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,532 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,533 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,533 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,533 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,533 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,536 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,537 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,543 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,543 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,546 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,546 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,546 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,546 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,549 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:47:43,550 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:47:43,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 15:47:43,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:47:43,585 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:47:43,585 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:47:43,585 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:47:43,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:47:43,586 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:47:43,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:47:43,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:47:43,599 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:47:43,600 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 15:47:43,604 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 15:47:43,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-11-09 15:47:43,656 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-11-09 15:47:43,656 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:47:43,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-11-09 15:47:43,665 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-11-09 15:47:46,409 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 15:47:46,557 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 15:47:47,291 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 15:47:47,436 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 15:47:47,730 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 15:47:47,870 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 15:47:47,892 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-11-09 15:47:47,892 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 15:47:47,899 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-11-09 15:47:47,991 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-11-09 15:47:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-11-09 15:47:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 15:47:48,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:48,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:48,005 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:48,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:48,011 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-11-09 15:47:48,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:48,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480994916] [2020-11-09 15:47:48,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:48,239 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 15:47:48,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480994916] [2020-11-09 15:47:48,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:48,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:48,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [161925976] [2020-11-09 15:47:48,242 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:48,251 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:48,273 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 15:47:48,274 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:48,281 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:48,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 15:47:48,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:48,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 15:47:48,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:47:48,300 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-11-09 15:47:48,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:48,353 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-11-09 15:47:48,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 15:47:48,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-09 15:47:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:48,395 INFO L225 Difference]: With dead ends: 1450 [2020-11-09 15:47:48,395 INFO L226 Difference]: Without dead ends: 1194 [2020-11-09 15:47:48,396 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 15:47:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-11-09 15:47:48,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-11-09 15:47:48,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-11-09 15:47:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-11-09 15:47:48,593 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-11-09 15:47:48,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:48,594 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-11-09 15:47:48,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 15:47:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-11-09 15:47:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:47:48,604 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:48,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:48,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:47:48,605 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:48,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-11-09 15:47:48,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:48,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884516427] [2020-11-09 15:47:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:48,882 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 15:47:48,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884516427] [2020-11-09 15:47:48,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:48,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:48,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [28220936] [2020-11-09 15:47:48,884 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:48,888 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:48,892 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:47:48,892 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:48,893 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:48,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:48,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:48,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:48,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:48,897 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-11-09 15:47:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:48,975 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-11-09 15:47:48,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:48,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 15:47:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:48,987 INFO L225 Difference]: With dead ends: 1322 [2020-11-09 15:47:48,989 INFO L226 Difference]: Without dead ends: 1066 [2020-11-09 15:47:48,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-11-09 15:47:49,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-11-09 15:47:49,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-11-09 15:47:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-11-09 15:47:49,042 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-11-09 15:47:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:49,042 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-11-09 15:47:49,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-11-09 15:47:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:47:49,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:49,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:49,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:47:49,045 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:49,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:49,046 INFO L82 PathProgramCache]: Analyzing trace with hash -947021519, now seen corresponding path program 1 times [2020-11-09 15:47:49,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:49,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487603625] [2020-11-09 15:47:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:49,177 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 15:47:49,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487603625] [2020-11-09 15:47:49,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:49,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:49,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2141115072] [2020-11-09 15:47:49,179 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:49,181 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:49,183 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 26 transitions. [2020-11-09 15:47:49,183 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:49,256 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:49,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:49,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:49,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:49,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:49,257 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-11-09 15:47:49,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:49,295 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-11-09 15:47:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:49,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:47:49,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:49,305 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 15:47:49,305 INFO L226 Difference]: Without dead ends: 970 [2020-11-09 15:47:49,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-11-09 15:47:49,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-11-09 15:47:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-11-09 15:47:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-11-09 15:47:49,350 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-11-09 15:47:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:49,350 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-11-09 15:47:49,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-11-09 15:47:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:47:49,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:49,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:49,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:47:49,353 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:49,353 INFO L82 PathProgramCache]: Analyzing trace with hash 639493830, now seen corresponding path program 1 times [2020-11-09 15:47:49,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:49,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232595549] [2020-11-09 15:47:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:49,458 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 15:47:49,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232595549] [2020-11-09 15:47:49,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:49,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:49,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2095812540] [2020-11-09 15:47:49,459 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:49,463 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:49,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 44 transitions. [2020-11-09 15:47:49,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:49,565 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:49,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:49,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:49,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:49,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:49,566 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 4 states. [2020-11-09 15:47:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:49,609 INFO L93 Difference]: Finished difference Result 1042 states and 3558 transitions. [2020-11-09 15:47:49,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:49,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-09 15:47:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:49,618 INFO L225 Difference]: With dead ends: 1042 [2020-11-09 15:47:49,618 INFO L226 Difference]: Without dead ends: 898 [2020-11-09 15:47:49,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:49,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-11-09 15:47:49,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 898. [2020-11-09 15:47:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-11-09 15:47:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 3114 transitions. [2020-11-09 15:47:49,657 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 3114 transitions. Word has length 13 [2020-11-09 15:47:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:49,657 INFO L481 AbstractCegarLoop]: Abstraction has 898 states and 3114 transitions. [2020-11-09 15:47:49,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 3114 transitions. [2020-11-09 15:47:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 15:47:49,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:49,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:49,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:47:49,660 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:49,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:49,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1650268135, now seen corresponding path program 1 times [2020-11-09 15:47:49,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:49,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633487029] [2020-11-09 15:47:49,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:49,714 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 15:47:49,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633487029] [2020-11-09 15:47:49,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:49,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:47:49,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1718852265] [2020-11-09 15:47:49,715 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:49,717 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:49,722 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 64 transitions. [2020-11-09 15:47:49,722 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:49,910 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:49,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:47:49,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:49,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:47:49,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:47:49,912 INFO L87 Difference]: Start difference. First operand 898 states and 3114 transitions. Second operand 4 states. [2020-11-09 15:47:49,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:49,954 INFO L93 Difference]: Finished difference Result 952 states and 3222 transitions. [2020-11-09 15:47:49,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:47:49,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 15:47:49,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:49,962 INFO L225 Difference]: With dead ends: 952 [2020-11-09 15:47:49,962 INFO L226 Difference]: Without dead ends: 844 [2020-11-09 15:47:49,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:49,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-11-09 15:47:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 844. [2020-11-09 15:47:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2020-11-09 15:47:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 2898 transitions. [2020-11-09 15:47:49,997 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 2898 transitions. Word has length 14 [2020-11-09 15:47:49,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:49,997 INFO L481 AbstractCegarLoop]: Abstraction has 844 states and 2898 transitions. [2020-11-09 15:47:49,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:47:49,997 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 2898 transitions. [2020-11-09 15:47:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:47:50,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:50,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:50,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:47:50,000 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:50,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:50,001 INFO L82 PathProgramCache]: Analyzing trace with hash 348990928, now seen corresponding path program 1 times [2020-11-09 15:47:50,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:50,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958523691] [2020-11-09 15:47:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:50,096 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 15:47:50,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958523691] [2020-11-09 15:47:50,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:50,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:50,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1555242998] [2020-11-09 15:47:50,098 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:50,101 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:50,113 INFO L252 McrAutomatonBuilder]: Finished intersection with 64 states and 146 transitions. [2020-11-09 15:47:50,113 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:50,417 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:50,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:50,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:50,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:50,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:50,419 INFO L87 Difference]: Start difference. First operand 844 states and 2898 transitions. Second operand 5 states. [2020-11-09 15:47:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:50,486 INFO L93 Difference]: Finished difference Result 1111 states and 3727 transitions. [2020-11-09 15:47:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:50,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-09 15:47:50,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:50,496 INFO L225 Difference]: With dead ends: 1111 [2020-11-09 15:47:50,496 INFO L226 Difference]: Without dead ends: 550 [2020-11-09 15:47:50,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 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 15:47:50,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-11-09 15:47:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2020-11-09 15:47:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-11-09 15:47:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1734 transitions. [2020-11-09 15:47:50,517 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1734 transitions. Word has length 15 [2020-11-09 15:47:50,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:50,518 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1734 transitions. [2020-11-09 15:47:50,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1734 transitions. [2020-11-09 15:47:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 15:47:50,520 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:50,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:50,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:47:50,521 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:50,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:50,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1322311964, now seen corresponding path program 1 times [2020-11-09 15:47:50,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:50,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841509204] [2020-11-09 15:47:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:50,586 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 15:47:50,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841509204] [2020-11-09 15:47:50,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:50,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:50,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [859243597] [2020-11-09 15:47:50,587 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:50,589 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:50,599 INFO L252 McrAutomatonBuilder]: Finished intersection with 68 states and 144 transitions. [2020-11-09 15:47:50,599 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:50,813 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:50,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:50,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:50,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:50,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:50,815 INFO L87 Difference]: Start difference. First operand 550 states and 1734 transitions. Second operand 5 states. [2020-11-09 15:47:50,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:50,870 INFO L93 Difference]: Finished difference Result 664 states and 2065 transitions. [2020-11-09 15:47:50,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:50,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 15:47:50,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:50,873 INFO L225 Difference]: With dead ends: 664 [2020-11-09 15:47:50,873 INFO L226 Difference]: Without dead ends: 370 [2020-11-09 15:47:50,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 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 15:47:50,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-09 15:47:50,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2020-11-09 15:47:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-11-09 15:47:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1080 transitions. [2020-11-09 15:47:50,887 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1080 transitions. Word has length 16 [2020-11-09 15:47:50,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:50,888 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 1080 transitions. [2020-11-09 15:47:50,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1080 transitions. [2020-11-09 15:47:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 15:47:50,889 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:50,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:50,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 15:47:50,889 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:50,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:50,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1741286976, now seen corresponding path program 1 times [2020-11-09 15:47:50,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:50,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064484886] [2020-11-09 15:47:50,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:50,943 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 15:47:50,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064484886] [2020-11-09 15:47:50,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:50,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:50,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [735302343] [2020-11-09 15:47:50,944 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:50,946 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:50,954 INFO L252 McrAutomatonBuilder]: Finished intersection with 64 states and 126 transitions. [2020-11-09 15:47:50,955 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:51,119 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:51,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:51,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:51,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:51,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:51,120 INFO L87 Difference]: Start difference. First operand 370 states and 1080 transitions. Second operand 5 states. [2020-11-09 15:47:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:51,171 INFO L93 Difference]: Finished difference Result 430 states and 1240 transitions. [2020-11-09 15:47:51,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:51,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 15:47:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:51,174 INFO L225 Difference]: With dead ends: 430 [2020-11-09 15:47:51,174 INFO L226 Difference]: Without dead ends: 172 [2020-11-09 15:47:51,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 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 15:47:51,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-09 15:47:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-11-09 15:47:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-11-09 15:47:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 452 transitions. [2020-11-09 15:47:51,180 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 452 transitions. Word has length 17 [2020-11-09 15:47:51,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:51,181 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 452 transitions. [2020-11-09 15:47:51,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 452 transitions. [2020-11-09 15:47:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 15:47:51,181 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:47:51,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:47:51,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 15:47:51,182 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:47:51,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:47:51,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1853538030, now seen corresponding path program 1 times [2020-11-09 15:47:51,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:47:51,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989405394] [2020-11-09 15:47:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:47:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:47:51,235 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 15:47:51,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989405394] [2020-11-09 15:47:51,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:47:51,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:47:51,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [896770960] [2020-11-09 15:47:51,236 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:47:51,238 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:47:51,243 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 56 transitions. [2020-11-09 15:47:51,244 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:47:51,321 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:47:51,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:47:51,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:47:51,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:47:51,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:47:51,323 INFO L87 Difference]: Start difference. First operand 172 states and 452 transitions. Second operand 5 states. [2020-11-09 15:47:51,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:47:51,368 INFO L93 Difference]: Finished difference Result 148 states and 376 transitions. [2020-11-09 15:47:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:47:51,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-09 15:47:51,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:47:51,369 INFO L225 Difference]: With dead ends: 148 [2020-11-09 15:47:51,369 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 15:47:51,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 15:47:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 15:47:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 15:47:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 15:47:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 15:47:51,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 15:47:51,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:47:51,371 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 15:47:51,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:47:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 15:47:51,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 15:47:51,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 15:47:51,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:47:51 BasicIcfg [2020-11-09 15:47:51,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:47:51,377 INFO L168 Benchmark]: Toolchain (without parser) took 9565.16 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 125.5 MB in the beginning and 219.7 MB in the end (delta: -94.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:51,377 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 122.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:47:51,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.74 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 131.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:51,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.03 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 129.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:51,380 INFO L168 Benchmark]: Boogie Preprocessor took 54.31 ms. Allocated memory is still 151.0 MB. Free memory was 129.8 MB in the beginning and 128.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:51,380 INFO L168 Benchmark]: RCFGBuilder took 703.82 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 103.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:47:51,381 INFO L168 Benchmark]: TraceAbstraction took 7928.41 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 103.6 MB in the beginning and 219.7 MB in the end (delta: -116.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:47:51,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 122.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 784.74 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 131.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 74.03 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 129.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.31 ms. Allocated memory is still 151.0 MB. Free memory was 129.8 MB in the beginning and 128.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 703.82 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 103.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7928.41 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 103.6 MB in the beginning and 219.7 MB in the end (delta: -116.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1227 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 105 PlacesBefore, 41 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4418 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 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.7s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 263 SDtfs, 250 SDslu, 358 SDs, 0 SdLazy, 63 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 5229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...