/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/safe003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:15:02,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:15:02,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:15:02,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:15:02,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:15:02,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:15:02,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:15:02,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:15:02,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:15:02,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:15:02,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:15:02,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:15:02,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:15:02,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:15:02,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:15:02,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:15:02,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:15:02,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:15:02,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:15:02,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:15:02,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:15:02,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:15:02,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:15:02,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:15:02,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 12:15:02,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 12:15:02,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 12:15:02,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 12:15:02,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 12:15:02,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 12:15:02,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:15:02,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:15:02,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:15:02,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:15:02,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:15:02,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:15:02,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:15:02,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:15:02,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:15:02,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:15:02,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:15:02,446 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 12:15:02,473 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:15:02,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:15:02,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:15:02,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:15:02,476 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:15:02,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:15:02,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:15:02,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:15:02,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:15:02,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:15:02,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:15:02,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:15:02,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:15:02,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:15:02,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:15:02,478 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:15:02,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:15:02,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:15:02,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:15:02,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:15:02,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:15:02,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:15:02,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:15:02,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:15:02,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:15:02,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:15:02,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:15:02,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:15:02,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:15:02,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:15:02,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:15:02,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:15:02,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:15:02,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:15:02,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:15:02,980 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:15:02,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-11-12 12:15:03,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c297597c/af50e019ecd4442b94896bcd9b90300a/FLAG28e02ca09 [2020-11-12 12:15:03,914 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:15:03,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-11-12 12:15:03,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c297597c/af50e019ecd4442b94896bcd9b90300a/FLAG28e02ca09 [2020-11-12 12:15:04,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c297597c/af50e019ecd4442b94896bcd9b90300a [2020-11-12 12:15:04,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:15:04,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:15:04,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:15:04,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:15:04,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:15:04,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35885b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04, skipping insertion in model container [2020-11-12 12:15:04,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:15:04,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:15:04,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:15:04,651 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:15:04,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:15:04,857 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:15:04,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04 WrapperNode [2020-11-12 12:15:04,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:15:04,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:15:04,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:15:04,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:15:04,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:15:04,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:15:04,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:15:04,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:15:04,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (1/1) ... [2020-11-12 12:15:04,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:15:04,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:15:04,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:15:04,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:15:04,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (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 12:15:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:15:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:15:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:15:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:15:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:15:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:15:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:15:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:15:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:15:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:15:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:15:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:15:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:15:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:15:05,026 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 12:15:05,611 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:15:05,611 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:15:05,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:15:05 BoogieIcfgContainer [2020-11-12 12:15:05,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:15:05,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:15:05,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:15:05,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:15:05,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:15:04" (1/3) ... [2020-11-12 12:15:05,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7409ef81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:15:05, skipping insertion in model container [2020-11-12 12:15:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:04" (2/3) ... [2020-11-12 12:15:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7409ef81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:15:05, skipping insertion in model container [2020-11-12 12:15:05,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:15:05" (3/3) ... [2020-11-12 12:15:05,628 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.opt.i [2020-11-12 12:15:05,646 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:15:05,646 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:15:05,650 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:15:05,651 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:15:05,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,694 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,694 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,698 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,698 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,699 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,699 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,704 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,704 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,705 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,706 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,729 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,729 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:15:05,735 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:15:05,749 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 12:15:05,788 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:15:05,788 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:15:05,788 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:15:05,788 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:15:05,789 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:15:05,789 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:15:05,789 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:15:05,789 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:15:05,807 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 79 transitions, 173 flow [2020-11-12 12:15:06,649 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 12:15:07,716 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 1063ms [2020-11-12 12:15:07,761 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 12:15:07,825 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 34664 states, 31727 states have (on average 1.2159989913953415) internal successors, (38580), 34663 states have internal predecessors, (38580), 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 12:15:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 34664 states, 31727 states have (on average 1.2159989913953415) internal successors, (38580), 34663 states have internal predecessors, (38580), 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 12:15:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 12:15:08,008 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:15:08,009 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] [2020-11-12 12:15:08,010 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:15:08,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:15:08,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1557079206, now seen corresponding path program 1 times [2020-11-12 12:15:08,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:15:08,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731852942] [2020-11-12 12:15:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:15:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:15:08,558 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 12:15:08,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731852942] [2020-11-12 12:15:08,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:15:08,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:15:08,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820066486] [2020-11-12 12:15:08,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:15:08,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:15:08,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:15:08,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:15:08,609 INFO L87 Difference]: Start difference. First operand has 34664 states, 31727 states have (on average 1.2159989913953415) internal successors, (38580), 34663 states have internal predecessors, (38580), 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 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 12:15:08,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:15:08,905 INFO L93 Difference]: Finished difference Result 12790 states and 14930 transitions. [2020-11-12 12:15:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:15:08,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2020-11-12 12:15:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:15:08,944 INFO L225 Difference]: With dead ends: 12790 [2020-11-12 12:15:08,944 INFO L226 Difference]: Without dead ends: 3852 [2020-11-12 12:15:08,946 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 12:15:08,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2020-11-12 12:15:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 3852. [2020-11-12 12:15:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 3656 states have (on average 1.3090809628008753) internal successors, (4786), 3851 states have internal predecessors, (4786), 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 12:15:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 4786 transitions. [2020-11-12 12:15:09,149 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 4786 transitions. Word has length 42 [2020-11-12 12:15:09,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:15:09,149 INFO L481 AbstractCegarLoop]: Abstraction has 3852 states and 4786 transitions. [2020-11-12 12:15:09,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 12:15:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 4786 transitions. [2020-11-12 12:15:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 12:15:09,158 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:15:09,158 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] [2020-11-12 12:15:09,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:15:09,159 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:15:09,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:15:09,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1370655109, now seen corresponding path program 1 times [2020-11-12 12:15:09,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:15:09,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602013285] [2020-11-12 12:15:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:15:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:15:09,319 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 12:15:09,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602013285] [2020-11-12 12:15:09,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:15:09,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:15:09,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981001901] [2020-11-12 12:15:09,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:15:09,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:15:09,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:15:09,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:15:09,324 INFO L87 Difference]: Start difference. First operand 3852 states and 4786 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 12:15:09,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:15:09,582 INFO L93 Difference]: Finished difference Result 5985 states and 7424 transitions. [2020-11-12 12:15:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:15:09,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45 [2020-11-12 12:15:09,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:15:09,599 INFO L225 Difference]: With dead ends: 5985 [2020-11-12 12:15:09,599 INFO L226 Difference]: Without dead ends: 3366 [2020-11-12 12:15:09,600 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 12:15:09,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2020-11-12 12:15:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3366. [2020-11-12 12:15:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3194 states have (on average 1.2767689417658108) internal successors, (4078), 3365 states have internal predecessors, (4078), 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 12:15:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4078 transitions. [2020-11-12 12:15:09,692 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4078 transitions. Word has length 45 [2020-11-12 12:15:09,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:15:09,693 INFO L481 AbstractCegarLoop]: Abstraction has 3366 states and 4078 transitions. [2020-11-12 12:15:09,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 12:15:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4078 transitions. [2020-11-12 12:15:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 12:15:09,700 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:15:09,700 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] [2020-11-12 12:15:09,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:15:09,701 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:15:09,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:15:09,701 INFO L82 PathProgramCache]: Analyzing trace with hash 709131160, now seen corresponding path program 1 times [2020-11-12 12:15:09,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:15:09,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73595948] [2020-11-12 12:15:09,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:15:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:15:09,824 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 12:15:09,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73595948] [2020-11-12 12:15:09,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:15:09,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:15:09,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078712407] [2020-11-12 12:15:09,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:15:09,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:15:09,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:15:09,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:15:09,827 INFO L87 Difference]: Start difference. First operand 3366 states and 4078 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 12:15:10,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:15:10,087 INFO L93 Difference]: Finished difference Result 6551 states and 7779 transitions. [2020-11-12 12:15:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 12:15:10,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 47 [2020-11-12 12:15:10,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:15:10,104 INFO L225 Difference]: With dead ends: 6551 [2020-11-12 12:15:10,105 INFO L226 Difference]: Without dead ends: 3542 [2020-11-12 12:15:10,105 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:15:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2020-11-12 12:15:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 2234. [2020-11-12 12:15:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2234 states, 2122 states have (on average 1.244109330819981) internal successors, (2640), 2233 states have internal predecessors, (2640), 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 12:15:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2640 transitions. [2020-11-12 12:15:10,173 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2640 transitions. Word has length 47 [2020-11-12 12:15:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:15:10,174 INFO L481 AbstractCegarLoop]: Abstraction has 2234 states and 2640 transitions. [2020-11-12 12:15:10,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 12:15:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2640 transitions. [2020-11-12 12:15:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 12:15:10,178 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:15:10,178 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] [2020-11-12 12:15:10,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:15:10,179 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:15:10,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:15:10,179 INFO L82 PathProgramCache]: Analyzing trace with hash 162268976, now seen corresponding path program 1 times [2020-11-12 12:15:10,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:15:10,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031180217] [2020-11-12 12:15:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:15:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:15:10,296 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 12:15:10,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031180217] [2020-11-12 12:15:10,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:15:10,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:15:10,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589467806] [2020-11-12 12:15:10,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:15:10,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:15:10,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:15:10,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:15:10,299 INFO L87 Difference]: Start difference. First operand 2234 states and 2640 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 12:15:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:15:10,432 INFO L93 Difference]: Finished difference Result 3269 states and 3754 transitions. [2020-11-12 12:15:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:15:10,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2020-11-12 12:15:10,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:15:10,440 INFO L225 Difference]: With dead ends: 3269 [2020-11-12 12:15:10,440 INFO L226 Difference]: Without dead ends: 1388 [2020-11-12 12:15:10,440 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:15:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-11-12 12:15:10,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2020-11-12 12:15:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 1308 states have (on average 1.2125382262996942) internal successors, (1586), 1387 states have internal predecessors, (1586), 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 12:15:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1586 transitions. [2020-11-12 12:15:10,473 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1586 transitions. Word has length 48 [2020-11-12 12:15:10,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:15:10,474 INFO L481 AbstractCegarLoop]: Abstraction has 1388 states and 1586 transitions. [2020-11-12 12:15:10,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 12:15:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1586 transitions. [2020-11-12 12:15:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 12:15:10,477 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:15:10,477 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] [2020-11-12 12:15:10,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:15:10,477 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:15:10,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:15:10,478 INFO L82 PathProgramCache]: Analyzing trace with hash -811265535, now seen corresponding path program 1 times [2020-11-12 12:15:10,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:15:10,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034700015] [2020-11-12 12:15:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:15:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:15:10,595 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 12:15:10,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034700015] [2020-11-12 12:15:10,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:15:10,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:15:10,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517949782] [2020-11-12 12:15:10,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:15:10,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:15:10,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:15:10,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:15:10,599 INFO L87 Difference]: Start difference. First operand 1388 states and 1586 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 12:15:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:15:10,759 INFO L93 Difference]: Finished difference Result 1068 states and 1266 transitions. [2020-11-12 12:15:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:15:10,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 50 [2020-11-12 12:15:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:15:10,760 INFO L225 Difference]: With dead ends: 1068 [2020-11-12 12:15:10,760 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:15:10,761 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:15:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:15:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:15:10,761 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 12:15:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:15:10,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2020-11-12 12:15:10,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:15:10,762 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:15:10,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 12:15:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:15:10,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:15:10,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:15:10,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:15:10 BasicIcfg [2020-11-12 12:15:10,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:15:10,771 INFO L168 Benchmark]: Toolchain (without parser) took 6642.37 ms. Allocated memory was 310.4 MB in the beginning and 1.2 GB in the end (delta: 887.1 MB). Free memory was 284.7 MB in the beginning and 1.1 GB in the end (delta: -804.2 MB). Peak memory consumption was 84.9 MB. Max. memory is 16.0 GB. [2020-11-12 12:15:10,772 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 310.4 MB. Free memory was 281.4 MB in the beginning and 281.4 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:15:10,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.96 ms. Allocated memory is still 310.4 MB. Free memory was 284.0 MB in the beginning and 285.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.0 GB. [2020-11-12 12:15:10,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.88 ms. Allocated memory is still 310.4 MB. Free memory was 285.2 MB in the beginning and 283.1 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:15:10,775 INFO L168 Benchmark]: Boogie Preprocessor took 28.69 ms. Allocated memory is still 310.4 MB. Free memory was 283.1 MB in the beginning and 282.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:15:10,775 INFO L168 Benchmark]: RCFGBuilder took 668.39 ms. Allocated memory is still 310.4 MB. Free memory was 282.0 MB in the beginning and 256.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:15:10,777 INFO L168 Benchmark]: TraceAbstraction took 5149.60 ms. Allocated memory was 310.4 MB in the beginning and 1.2 GB in the end (delta: 887.1 MB). Free memory was 256.9 MB in the beginning and 1.1 GB in the end (delta: -832.0 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:15:10,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 310.4 MB. Free memory was 281.4 MB in the beginning and 281.4 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 724.96 ms. Allocated memory is still 310.4 MB. Free memory was 284.0 MB in the beginning and 285.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.88 ms. Allocated memory is still 310.4 MB. Free memory was 285.2 MB in the beginning and 283.1 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.69 ms. Allocated memory is still 310.4 MB. Free memory was 283.1 MB in the beginning and 282.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 668.39 ms. Allocated memory is still 310.4 MB. Free memory was 282.0 MB in the beginning and 256.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5149.60 ms. Allocated memory was 310.4 MB in the beginning and 1.2 GB in the end (delta: 887.1 MB). Free memory was 256.9 MB in the beginning and 1.1 GB in the end (delta: -832.0 MB). Peak memory consumption was 55.1 MB. 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 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 377 SDtfs, 461 SDslu, 1445 SDs, 0 SdLazy, 144 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34664occurred 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, 5 MinimizatonAttempts, 1308 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 26399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...