/usr/bin/java -Xmx16000000000 -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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:30:17,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:30:17,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:30:17,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:30:17,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:30:17,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:30:17,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:30:17,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:30:17,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:30:17,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:30:17,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:30:17,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:30:17,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:30:17,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:30:17,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:30:17,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:30:17,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:30:17,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:30:17,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:30:17,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:30:17,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:30:17,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:30:17,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:30:17,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:30:17,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 12:30:17,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:30:17,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:30:17,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:30:17,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:30:17,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:30:17,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:30:17,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:30:17,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:30:17,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:30:17,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:30:17,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:30:17,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf [2020-11-12 12:30:17,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:30:17,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:30:17,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:30:17,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:30:17,372 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:30:17,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:30:17,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:30:17,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:30:17,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:30:17,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:30:17,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:30:17,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:30:17,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:30:17,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:30:17,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:30:17,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:30:17,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:30:17,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:30:17,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:30:17,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:30:17,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:30:17,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:30:17,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:30:17,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:30:17,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:30:17,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:30:17,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:30:17,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:30:17,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:30:17,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:30:17,378 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:30:17,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:30:17,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:30:17,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:30:17,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:30:17,792 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:30:17,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-11-12 12:30:17,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2aa8894/eeede4f5d6884343824453dacbd44a9b/FLAG9fc1d1deb [2020-11-12 12:30:18,686 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:30:18,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-11-12 12:30:18,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2aa8894/eeede4f5d6884343824453dacbd44a9b/FLAG9fc1d1deb [2020-11-12 12:30:18,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2aa8894/eeede4f5d6884343824453dacbd44a9b [2020-11-12 12:30:18,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:30:18,947 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:30:18,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:30:18,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:30:18,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:30:18,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:30:18" (1/1) ... [2020-11-12 12:30:18,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127eb1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:18, skipping insertion in model container [2020-11-12 12:30:18,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:30:18" (1/1) ... [2020-11-12 12:30:18,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:30:19,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:30:19,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:30:19,578 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:30:19,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:30:19,774 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:30:19,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19 WrapperNode [2020-11-12 12:30:19,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:30:19,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:30:19,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:30:19,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:30:19,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:30:19,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:30:19,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:30:19,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:30:19,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (1/1) ... [2020-11-12 12:30:19,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:30:19,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:30:19,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:30:19,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:30:19,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (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 [2020-11-12 12:30:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:30:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:30:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:30:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:30:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:30:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:30:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:30:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:30:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:30:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:30:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-12 12:30:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-12 12:30:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:30:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:30:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:30:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:30:20,011 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 12:30:20,609 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:30:20,609 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:30:20,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:30:20 BoogieIcfgContainer [2020-11-12 12:30:20,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:30:20,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:30:20,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:30:20,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:30:20,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:30:18" (1/3) ... [2020-11-12 12:30:20,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e149536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:30:20, skipping insertion in model container [2020-11-12 12:30:20,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:19" (2/3) ... [2020-11-12 12:30:20,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e149536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:30:20, skipping insertion in model container [2020-11-12 12:30:20,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:30:20" (3/3) ... [2020-11-12 12:30:20,621 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2020-11-12 12:30:20,638 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:30:20,638 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:30:20,643 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:30:20,644 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:30:20,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,686 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,691 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,691 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,693 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,693 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,694 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,694 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,696 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,696 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,697 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,697 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,698 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,701 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,701 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,713 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,719 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,720 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,720 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,721 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:30:20,730 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:30:20,744 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-12 12:30:20,781 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:30:20,781 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:30:20,782 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:30:20,782 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:30:20,782 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:30:20,782 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:30:20,782 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:30:20,782 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:30:20,802 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 95 transitions, 210 flow [2020-11-12 12:30:35,236 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:40,701 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 5446ms [2020-11-12 12:30:40,896 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:41,658 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 300908 states, 276860 states have (on average 1.2397998988658527) internal successors, (343251), 300907 states have internal predecessors, (343251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 300908 states, 276860 states have (on average 1.2397998988658527) internal successors, (343251), 300907 states have internal predecessors, (343251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 12:30:41,990 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:41,991 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:41,991 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:41,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:41,998 INFO L82 PathProgramCache]: Analyzing trace with hash 207288984, now seen corresponding path program 1 times [2020-11-12 12:30:42,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:42,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270896934] [2020-11-12 12:30:42,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:42,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270896934] [2020-11-12 12:30:42,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:42,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:30:42,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602366758] [2020-11-12 12:30:42,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:30:42,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:42,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:30:42,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:30:43,137 INFO L87 Difference]: Start difference. First operand has 300908 states, 276860 states have (on average 1.2397998988658527) internal successors, (343251), 300907 states have internal predecessors, (343251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:44,720 INFO L93 Difference]: Finished difference Result 129261 states and 157506 transitions. [2020-11-12 12:30:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:30:44,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-12 12:30:44,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:44,922 INFO L225 Difference]: With dead ends: 129261 [2020-11-12 12:30:44,923 INFO L226 Difference]: Without dead ends: 31367 [2020-11-12 12:30:44,924 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:30:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31367 states. [2020-11-12 12:30:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31367 to 31367. [2020-11-12 12:30:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31367 states, 29652 states have (on average 1.392418723863483) internal successors, (41288), 31366 states have internal predecessors, (41288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31367 states to 31367 states and 41288 transitions. [2020-11-12 12:30:46,707 INFO L78 Accepts]: Start accepts. Automaton has 31367 states and 41288 transitions. Word has length 49 [2020-11-12 12:30:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:46,708 INFO L481 AbstractCegarLoop]: Abstraction has 31367 states and 41288 transitions. [2020-11-12 12:30:46,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 31367 states and 41288 transitions. [2020-11-12 12:30:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 12:30:46,736 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:46,736 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:46,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:30:46,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:46,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:46,739 INFO L82 PathProgramCache]: Analyzing trace with hash 769060599, now seen corresponding path program 1 times [2020-11-12 12:30:46,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:46,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207023950] [2020-11-12 12:30:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:46,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207023950] [2020-11-12 12:30:46,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:46,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:30:46,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356889342] [2020-11-12 12:30:46,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:30:46,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:46,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:30:46,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:30:46,940 INFO L87 Difference]: Start difference. First operand 31367 states and 41288 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:47,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:47,262 INFO L93 Difference]: Finished difference Result 30817 states and 39513 transitions. [2020-11-12 12:30:47,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:30:47,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2020-11-12 12:30:47,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:47,323 INFO L225 Difference]: With dead ends: 30817 [2020-11-12 12:30:47,323 INFO L226 Difference]: Without dead ends: 22700 [2020-11-12 12:30:47,324 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:30:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22700 states. [2020-11-12 12:30:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22700 to 22700. [2020-11-12 12:30:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22700 states, 21475 states have (on average 1.3561816065192083) internal successors, (29124), 22699 states have internal predecessors, (29124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22700 states to 22700 states and 29124 transitions. [2020-11-12 12:30:48,230 INFO L78 Accepts]: Start accepts. Automaton has 22700 states and 29124 transitions. Word has length 51 [2020-11-12 12:30:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:48,231 INFO L481 AbstractCegarLoop]: Abstraction has 22700 states and 29124 transitions. [2020-11-12 12:30:48,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 22700 states and 29124 transitions. [2020-11-12 12:30:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 12:30:48,257 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:48,258 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:48,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:30:48,258 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:48,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:48,259 INFO L82 PathProgramCache]: Analyzing trace with hash 656018710, now seen corresponding path program 1 times [2020-11-12 12:30:48,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:48,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256426648] [2020-11-12 12:30:48,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:48,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256426648] [2020-11-12 12:30:48,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:48,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:30:48,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662478550] [2020-11-12 12:30:48,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:30:48,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:48,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:30:48,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:30:48,414 INFO L87 Difference]: Start difference. First operand 22700 states and 29124 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:48,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:48,680 INFO L93 Difference]: Finished difference Result 23025 states and 29274 transitions. [2020-11-12 12:30:48,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:30:48,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-12 12:30:48,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:48,715 INFO L225 Difference]: With dead ends: 23025 [2020-11-12 12:30:48,715 INFO L226 Difference]: Without dead ends: 15922 [2020-11-12 12:30:48,716 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:30:48,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15922 states. [2020-11-12 12:30:49,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15922 to 15922. [2020-11-12 12:30:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15922 states, 15047 states have (on average 1.3300990230610752) internal successors, (20014), 15921 states have internal predecessors, (20014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15922 states to 15922 states and 20014 transitions. [2020-11-12 12:30:49,083 INFO L78 Accepts]: Start accepts. Automaton has 15922 states and 20014 transitions. Word has length 53 [2020-11-12 12:30:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:49,085 INFO L481 AbstractCegarLoop]: Abstraction has 15922 states and 20014 transitions. [2020-11-12 12:30:49,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 15922 states and 20014 transitions. [2020-11-12 12:30:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 12:30:49,318 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:49,318 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:49,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:30:49,319 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:49,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:49,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1705817035, now seen corresponding path program 1 times [2020-11-12 12:30:49,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:49,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443312431] [2020-11-12 12:30:49,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:49,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443312431] [2020-11-12 12:30:49,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:49,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:30:49,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625449943] [2020-11-12 12:30:49,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:30:49,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:49,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:30:49,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:30:49,560 INFO L87 Difference]: Start difference. First operand 15922 states and 20014 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:49,883 INFO L93 Difference]: Finished difference Result 23804 states and 30258 transitions. [2020-11-12 12:30:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:30:49,884 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-11-12 12:30:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:49,910 INFO L225 Difference]: With dead ends: 23804 [2020-11-12 12:30:49,911 INFO L226 Difference]: Without dead ends: 12076 [2020-11-12 12:30:49,911 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:30:49,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12076 states. [2020-11-12 12:30:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12076 to 12076. [2020-11-12 12:30:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12076 states, 11376 states have (on average 1.3346518987341771) internal successors, (15183), 12075 states have internal predecessors, (15183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12076 states to 12076 states and 15183 transitions. [2020-11-12 12:30:50,173 INFO L78 Accepts]: Start accepts. Automaton has 12076 states and 15183 transitions. Word has length 55 [2020-11-12 12:30:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:50,174 INFO L481 AbstractCegarLoop]: Abstraction has 12076 states and 15183 transitions. [2020-11-12 12:30:50,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 12076 states and 15183 transitions. [2020-11-12 12:30:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-12 12:30:50,200 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:50,200 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:50,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:30:50,201 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:50,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:50,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1270772939, now seen corresponding path program 1 times [2020-11-12 12:30:50,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:50,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926414713] [2020-11-12 12:30:50,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:50,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926414713] [2020-11-12 12:30:50,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:50,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:30:50,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748887735] [2020-11-12 12:30:50,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:30:50,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:50,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:30:50,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:30:50,440 INFO L87 Difference]: Start difference. First operand 12076 states and 15183 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:50,745 INFO L93 Difference]: Finished difference Result 18408 states and 23484 transitions. [2020-11-12 12:30:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:30:50,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2020-11-12 12:30:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:50,769 INFO L225 Difference]: With dead ends: 18408 [2020-11-12 12:30:50,769 INFO L226 Difference]: Without dead ends: 9455 [2020-11-12 12:30:50,770 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:30:50,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9455 states. [2020-11-12 12:30:50,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9455 to 9455. [2020-11-12 12:30:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9455 states, 8895 states have (on average 1.3326587970770096) internal successors, (11854), 9454 states have internal predecessors, (11854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9455 states to 9455 states and 11854 transitions. [2020-11-12 12:30:50,956 INFO L78 Accepts]: Start accepts. Automaton has 9455 states and 11854 transitions. Word has length 56 [2020-11-12 12:30:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:50,957 INFO L481 AbstractCegarLoop]: Abstraction has 9455 states and 11854 transitions. [2020-11-12 12:30:50,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 9455 states and 11854 transitions. [2020-11-12 12:30:50,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-12 12:30:50,969 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:50,970 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:50,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:30:50,970 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:50,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:50,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1532781063, now seen corresponding path program 1 times [2020-11-12 12:30:50,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:50,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497409352] [2020-11-12 12:30:50,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:51,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497409352] [2020-11-12 12:30:51,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:51,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:30:51,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016695950] [2020-11-12 12:30:51,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:30:51,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:51,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:30:51,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:30:51,234 INFO L87 Difference]: Start difference. First operand 9455 states and 11854 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:51,400 INFO L93 Difference]: Finished difference Result 9295 states and 11294 transitions. [2020-11-12 12:30:51,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:30:51,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2020-11-12 12:30:51,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:51,415 INFO L225 Difference]: With dead ends: 9295 [2020-11-12 12:30:51,416 INFO L226 Difference]: Without dead ends: 6611 [2020-11-12 12:30:51,416 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:30:51,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6611 states. [2020-11-12 12:30:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6611 to 6611. [2020-11-12 12:30:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6611 states, 6211 states have (on average 1.3054258573498632) internal successors, (8108), 6610 states have internal predecessors, (8108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 8108 transitions. [2020-11-12 12:30:51,567 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 8108 transitions. Word has length 57 [2020-11-12 12:30:51,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:51,567 INFO L481 AbstractCegarLoop]: Abstraction has 6611 states and 8108 transitions. [2020-11-12 12:30:51,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 8108 transitions. [2020-11-12 12:30:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-12 12:30:51,583 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:51,583 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:51,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:30:51,584 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:51,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:51,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1601629032, now seen corresponding path program 1 times [2020-11-12 12:30:51,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:51,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552490083] [2020-11-12 12:30:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:51,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552490083] [2020-11-12 12:30:51,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:51,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:30:51,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760817408] [2020-11-12 12:30:51,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:30:51,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:51,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:30:51,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:30:51,728 INFO L87 Difference]: Start difference. First operand 6611 states and 8108 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:51,950 INFO L93 Difference]: Finished difference Result 10101 states and 12585 transitions. [2020-11-12 12:30:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:30:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2020-11-12 12:30:51,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:51,960 INFO L225 Difference]: With dead ends: 10101 [2020-11-12 12:30:51,960 INFO L226 Difference]: Without dead ends: 5234 [2020-11-12 12:30:51,961 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:30:51,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5234 states. [2020-11-12 12:30:52,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5234 to 5234. [2020-11-12 12:30:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5234 states, 4914 states have (on average 1.2975172975172975) internal successors, (6376), 5233 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 6376 transitions. [2020-11-12 12:30:52,080 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 6376 transitions. Word has length 59 [2020-11-12 12:30:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:52,080 INFO L481 AbstractCegarLoop]: Abstraction has 5234 states and 6376 transitions. [2020-11-12 12:30:52,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 6376 transitions. [2020-11-12 12:30:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 12:30:52,089 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:30:52,090 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:30:52,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:30:52,090 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:30:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:30:52,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1016408372, now seen corresponding path program 1 times [2020-11-12 12:30:52,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:30:52,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565272203] [2020-11-12 12:30:52,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:30:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:30:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:30:52,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565272203] [2020-11-12 12:30:52,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:30:52,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:30:52,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710561969] [2020-11-12 12:30:52,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:30:52,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:30:52,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:30:52,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:30:52,291 INFO L87 Difference]: Start difference. First operand 5234 states and 6376 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:52,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:30:52,460 INFO L93 Difference]: Finished difference Result 3954 states and 5096 transitions. [2020-11-12 12:30:52,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:30:52,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-12 12:30:52,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:30:52,461 INFO L225 Difference]: With dead ends: 3954 [2020-11-12 12:30:52,461 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:30:52,461 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:30:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:30:52,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:30:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:30:52,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-12 12:30:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:30:52,463 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:30:52,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:30:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:30:52,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:30:52,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:30:52,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:30:52 BasicIcfg [2020-11-12 12:30:52,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:30:52,472 INFO L168 Benchmark]: Toolchain (without parser) took 33529.95 ms. Allocated memory was 302.0 MB in the beginning and 8.9 GB in the end (delta: 8.6 GB). Free memory was 277.3 MB in the beginning and 7.7 GB in the end (delta: -7.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2020-11-12 12:30:52,472 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:30:52,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.23 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 245.3 MB in the end (delta: 31.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:30:52,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.80 ms. Allocated memory is still 302.0 MB. Free memory was 245.3 MB in the beginning and 243.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:30:52,475 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 ms. Allocated memory is still 302.0 MB. Free memory was 243.3 MB in the beginning and 241.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:30:52,476 INFO L168 Benchmark]: RCFGBuilder took 746.55 ms. Allocated memory is still 302.0 MB. Free memory was 241.9 MB in the beginning and 260.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. [2020-11-12 12:30:52,477 INFO L168 Benchmark]: TraceAbstraction took 31855.86 ms. Allocated memory was 302.0 MB in the beginning and 8.9 GB in the end (delta: 8.6 GB). Free memory was 260.5 MB in the beginning and 7.7 GB in the end (delta: -7.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2020-11-12 12:30:52,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 826.23 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 245.3 MB in the end (delta: 31.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.80 ms. Allocated memory is still 302.0 MB. Free memory was 245.3 MB in the beginning and 243.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.17 ms. Allocated memory is still 302.0 MB. Free memory was 243.3 MB in the beginning and 241.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 746.55 ms. Allocated memory is still 302.0 MB. Free memory was 241.9 MB in the beginning and 260.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31855.86 ms. Allocated memory was 302.0 MB in the beginning and 8.9 GB in the end (delta: 8.6 GB). Free memory was 260.5 MB in the beginning and 7.7 GB in the end (delta: -7.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 31.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 20.8s, HoareTripleCheckerStatistics: 664 SDtfs, 813 SDslu, 2391 SDs, 0 SdLazy, 167 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300908occurred 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: 3.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 67334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...