/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 23:40:02,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 23:40:02,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 23:40:02,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 23:40:02,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 23:40:02,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 23:40:02,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 23:40:02,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 23:40:02,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 23:40:02,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 23:40:02,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 23:40:02,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 23:40:02,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 23:40:02,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 23:40:02,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 23:40:02,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 23:40:02,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 23:40:02,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 23:40:02,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 23:40:02,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 23:40:02,358 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-Separate.epf [2021-05-21 23:40:02,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 23:40:02,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 23:40:02,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 23:40:02,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 23:40:02,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 23:40:02,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 23:40:02,392 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 23:40:02,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 23:40:02,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 23:40:02,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 23:40:02,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 23:40:02,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 23:40:02,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 23:40:02,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 23:40:02,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-21 23:40:02,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 23:40:02,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 23:40:02,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 23:40:02,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 23:40:02,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 23:40:02,713 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 23:40:02,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2021-05-21 23:40:02,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0da6b8da/dabd616e2772466a96797b5ae8e230cc/FLAGc40b85db4 [2021-05-21 23:40:03,205 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 23:40:03,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2021-05-21 23:40:03,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0da6b8da/dabd616e2772466a96797b5ae8e230cc/FLAGc40b85db4 [2021-05-21 23:40:03,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0da6b8da/dabd616e2772466a96797b5ae8e230cc [2021-05-21 23:40:03,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 23:40:03,547 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 23:40:03,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 23:40:03,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 23:40:03,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 23:40:03,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 11:40:03" (1/1) ... [2021-05-21 23:40:03,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43523a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:03, skipping insertion in model container [2021-05-21 23:40:03,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 11:40:03" (1/1) ... [2021-05-21 23:40:03,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 23:40:03,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 23:40:03,723 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i[950,963] [2021-05-21 23:40:03,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 23:40:03,917 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 23:40:03,926 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i[950,963] [2021-05-21 23:40:03,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 23:40:04,018 INFO L208 MainTranslator]: Completed translation [2021-05-21 23:40:04,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04 WrapperNode [2021-05-21 23:40:04,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 23:40:04,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 23:40:04,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 23:40:04,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 23:40:04,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 23:40:04,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 23:40:04,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 23:40:04,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 23:40:04,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (1/1) ... [2021-05-21 23:40:04,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 23:40:04,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 23:40:04,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 23:40:04,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 23:40:04,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (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 [2021-05-21 23:40:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 23:40:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-05-21 23:40:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 23:40:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 23:40:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-05-21 23:40:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-05-21 23:40:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-05-21 23:40:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-05-21 23:40:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-05-21 23:40:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-05-21 23:40:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 23:40:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-05-21 23:40:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 23:40:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 23:40:04,189 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 23:40:04,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 23:40:04,504 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-05-21 23:40:04,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 11:40:04 BoogieIcfgContainer [2021-05-21 23:40:04,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 23:40:04,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 23:40:04,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 23:40:04,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 23:40:04,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 11:40:03" (1/3) ... [2021-05-21 23:40:04,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76af6c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 11:40:04, skipping insertion in model container [2021-05-21 23:40:04,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:40:04" (2/3) ... [2021-05-21 23:40:04,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76af6c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 11:40:04, skipping insertion in model container [2021-05-21 23:40:04,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 11:40:04" (3/3) ... [2021-05-21 23:40:04,510 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2021-05-21 23:40:04,514 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 23:40:04,514 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 23:40:04,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 23:40:04,515 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 23:40:04,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,539 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,539 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,542 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,542 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,555 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,555 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,560 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,560 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,562 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,562 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:40:04,565 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 23:40:04,581 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 23:40:04,602 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 23:40:04,603 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 23:40:04,603 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 23:40:04,603 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 23:40:04,603 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 23:40:04,603 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 23:40:04,603 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 23:40:04,603 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 23:40:04,614 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 85 transitions, 185 flow [2021-05-21 23:40:05,064 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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) [2021-05-21 23:40:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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) [2021-05-21 23:40:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-21 23:40:05,131 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:40:05,131 INFO L521 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] [2021-05-21 23:40:05,132 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:40:05,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:40:05,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-05-21 23:40:05,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:40:05,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154078384] [2021-05-21 23:40:05,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:40:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:40:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:40:05,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:40:05,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154078384] [2021-05-21 23:40:05,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154078384] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:40:05,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:40:05,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 23:40:05,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676347493] [2021-05-21 23:40:05,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 23:40:05,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:40:05,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 23:40:05,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 23:40:05,518 INFO L87 Difference]: Start difference. First operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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 8.333333333333334) internal successors, (50), 6 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) [2021-05-21 23:40:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:40:05,759 INFO L93 Difference]: Finished difference Result 12224 states and 42408 transitions. [2021-05-21 23:40:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 23:40:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 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 [2021-05-21 23:40:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:40:05,800 INFO L225 Difference]: With dead ends: 12224 [2021-05-21 23:40:05,800 INFO L226 Difference]: Without dead ends: 4629 [2021-05-21 23:40:05,801 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 133.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 23:40:05,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2021-05-21 23:40:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4629. [2021-05-21 23:40:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4629 states, 4628 states have (on average 3.3854796888504755) internal successors, (15668), 4628 states have internal predecessors, (15668), 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) [2021-05-21 23:40:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4629 states to 4629 states and 15668 transitions. [2021-05-21 23:40:06,048 INFO L78 Accepts]: Start accepts. Automaton has 4629 states and 15668 transitions. Word has length 50 [2021-05-21 23:40:06,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:40:06,052 INFO L482 AbstractCegarLoop]: Abstraction has 4629 states and 15668 transitions. [2021-05-21 23:40:06,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 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) [2021-05-21 23:40:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 4629 states and 15668 transitions. [2021-05-21 23:40:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-05-21 23:40:06,065 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:40:06,066 INFO L521 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] [2021-05-21 23:40:06,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 23:40:06,066 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:40:06,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:40:06,068 INFO L82 PathProgramCache]: Analyzing trace with hash 763919409, now seen corresponding path program 1 times [2021-05-21 23:40:06,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:40:06,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534397708] [2021-05-21 23:40:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:40:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:40:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:40:06,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:40:06,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534397708] [2021-05-21 23:40:06,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534397708] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:40:06,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:40:06,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 23:40:06,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084244595] [2021-05-21 23:40:06,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 23:40:06,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:40:06,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 23:40:06,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 23:40:06,453 INFO L87 Difference]: Start difference. First operand 4629 states and 15668 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-05-21 23:40:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:40:06,563 INFO L93 Difference]: Finished difference Result 5189 states and 17401 transitions. [2021-05-21 23:40:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 23:40:06,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2021-05-21 23:40:06,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:40:06,582 INFO L225 Difference]: With dead ends: 5189 [2021-05-21 23:40:06,582 INFO L226 Difference]: Without dead ends: 4209 [2021-05-21 23:40:06,584 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 265.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 23:40:06,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2021-05-21 23:40:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 4209. [2021-05-21 23:40:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4209 states, 4208 states have (on average 3.3583650190114067) internal successors, (14132), 4208 states have internal predecessors, (14132), 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) [2021-05-21 23:40:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 4209 states and 14132 transitions. [2021-05-21 23:40:06,751 INFO L78 Accepts]: Start accepts. Automaton has 4209 states and 14132 transitions. Word has length 52 [2021-05-21 23:40:06,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:40:06,752 INFO L482 AbstractCegarLoop]: Abstraction has 4209 states and 14132 transitions. [2021-05-21 23:40:06,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-05-21 23:40:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4209 states and 14132 transitions. [2021-05-21 23:40:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-05-21 23:40:06,760 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:40:06,760 INFO L521 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] [2021-05-21 23:40:06,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 23:40:06,760 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:40:06,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:40:06,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1544842766, now seen corresponding path program 1 times [2021-05-21 23:40:06,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:40:06,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774407268] [2021-05-21 23:40:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:40:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:40:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:40:06,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:40:06,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774407268] [2021-05-21 23:40:06,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774407268] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:40:06,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:40:06,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 23:40:06,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435547306] [2021-05-21 23:40:06,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 23:40:06,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:40:06,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 23:40:06,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 23:40:06,849 INFO L87 Difference]: Start difference. First operand 4209 states and 14132 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2021-05-21 23:40:07,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:40:07,005 INFO L93 Difference]: Finished difference Result 5719 states and 18965 transitions. [2021-05-21 23:40:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 23:40:07,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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 54 [2021-05-21 23:40:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:40:07,018 INFO L225 Difference]: With dead ends: 5719 [2021-05-21 23:40:07,018 INFO L226 Difference]: Without dead ends: 2814 [2021-05-21 23:40:07,018 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 118.9ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-05-21 23:40:07,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2021-05-21 23:40:07,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2814. [2021-05-21 23:40:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2813 states have (on average 3.2214717383576255) internal successors, (9062), 2813 states have internal predecessors, (9062), 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) [2021-05-21 23:40:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 9062 transitions. [2021-05-21 23:40:07,105 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 9062 transitions. Word has length 54 [2021-05-21 23:40:07,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:40:07,106 INFO L482 AbstractCegarLoop]: Abstraction has 2814 states and 9062 transitions. [2021-05-21 23:40:07,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2021-05-21 23:40:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 9062 transitions. [2021-05-21 23:40:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-05-21 23:40:07,112 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:40:07,112 INFO L521 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] [2021-05-21 23:40:07,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 23:40:07,113 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:40:07,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:40:07,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1023548365, now seen corresponding path program 1 times [2021-05-21 23:40:07,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:40:07,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173884276] [2021-05-21 23:40:07,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:40:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:40:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:40:07,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:40:07,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173884276] [2021-05-21 23:40:07,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173884276] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:40:07,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:40:07,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 23:40:07,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919632793] [2021-05-21 23:40:07,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 23:40:07,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:40:07,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 23:40:07,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 23:40:07,240 INFO L87 Difference]: Start difference. First operand 2814 states and 9062 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-05-21 23:40:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:40:07,358 INFO L93 Difference]: Finished difference Result 3734 states and 12008 transitions. [2021-05-21 23:40:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 23:40:07,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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 [2021-05-21 23:40:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:40:07,367 INFO L225 Difference]: With dead ends: 3734 [2021-05-21 23:40:07,367 INFO L226 Difference]: Without dead ends: 1974 [2021-05-21 23:40:07,367 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 109.3ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-05-21 23:40:07,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2021-05-21 23:40:07,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1974. [2021-05-21 23:40:07,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1973 states have (on average 3.084642676127724) internal successors, (6086), 1973 states have internal predecessors, (6086), 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) [2021-05-21 23:40:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 6086 transitions. [2021-05-21 23:40:07,435 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 6086 transitions. Word has length 57 [2021-05-21 23:40:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:40:07,437 INFO L482 AbstractCegarLoop]: Abstraction has 1974 states and 6086 transitions. [2021-05-21 23:40:07,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-05-21 23:40:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 6086 transitions. [2021-05-21 23:40:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-05-21 23:40:07,441 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:40:07,442 INFO L521 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] [2021-05-21 23:40:07,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 23:40:07,444 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:40:07,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:40:07,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1283773141, now seen corresponding path program 1 times [2021-05-21 23:40:07,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:40:07,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373819470] [2021-05-21 23:40:07,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:40:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:40:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:40:07,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:40:07,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373819470] [2021-05-21 23:40:07,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373819470] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:40:07,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:40:07,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 23:40:07,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50195148] [2021-05-21 23:40:07,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 23:40:07,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:40:07,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 23:40:07,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 23:40:07,531 INFO L87 Difference]: Start difference. First operand 1974 states and 6086 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-05-21 23:40:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:40:07,623 INFO L93 Difference]: Finished difference Result 1814 states and 5558 transitions. [2021-05-21 23:40:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 23:40:07,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58 [2021-05-21 23:40:07,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:40:07,623 INFO L225 Difference]: With dead ends: 1814 [2021-05-21 23:40:07,623 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 23:40:07,625 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 99.4ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-05-21 23:40:07,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 23:40:07,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 23:40:07,625 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) [2021-05-21 23:40:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 23:40:07,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-05-21 23:40:07,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:40:07,625 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 23:40:07,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-05-21 23:40:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 23:40:07,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 23:40:07,626 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 23:40:07,626 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 23:40:07,627 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-05-21 23:40:07,628 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 23:40:07,628 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 23:40:07,628 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 23:40:07,628 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 23:40:07,628 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 23:40:07,628 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 23:40:07,628 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 23:40:07,628 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 23:40:07,629 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 85 transitions, 185 flow [2021-05-21 23:40:07,955 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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) [2021-05-21 23:40:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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) [2021-05-21 23:40:07,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 23:40:07,997 INFO L315 ceAbstractionStarter]: Result for error location InUseError was SAFE (2/2) [2021-05-21 23:40:07,997 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 23:40:07,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 11:40:07 BasicIcfg [2021-05-21 23:40:07,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 23:40:08,000 INFO L168 Benchmark]: Toolchain (without parser) took 4452.84 ms. Allocated memory was 354.4 MB in the beginning and 968.9 MB in the end (delta: 614.5 MB). Free memory was 316.7 MB in the beginning and 806.0 MB in the end (delta: -489.3 MB). Peak memory consumption was 126.4 MB. Max. memory is 16.0 GB. [2021-05-21 23:40:08,000 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 354.4 MB. Free memory was 334.8 MB in the beginning and 334.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 23:40:08,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.44 ms. Allocated memory is still 354.4 MB. Free memory was 316.5 MB in the beginning and 315.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-05-21 23:40:08,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.74 ms. Allocated memory is still 354.4 MB. Free memory was 315.1 MB in the beginning and 314.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 23:40:08,003 INFO L168 Benchmark]: Boogie Preprocessor took 26.91 ms. Allocated memory is still 354.4 MB. Free memory was 314.1 MB in the beginning and 312.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 23:40:08,004 INFO L168 Benchmark]: RCFGBuilder took 406.02 ms. Allocated memory is still 354.4 MB. Free memory was 312.0 MB in the beginning and 287.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-05-21 23:40:08,005 INFO L168 Benchmark]: TraceAbstraction took 3493.03 ms. Allocated memory was 354.4 MB in the beginning and 968.9 MB in the end (delta: 614.5 MB). Free memory was 287.9 MB in the beginning and 806.0 MB in the end (delta: -518.1 MB). Peak memory consumption was 98.4 MB. Max. memory is 16.0 GB. [2021-05-21 23:40:08,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 354.4 MB. Free memory was 334.8 MB in the beginning and 334.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 469.44 ms. Allocated memory is still 354.4 MB. Free memory was 316.5 MB in the beginning and 315.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.74 ms. Allocated memory is still 354.4 MB. Free memory was 315.1 MB in the beginning and 314.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.91 ms. Allocated memory is still 354.4 MB. Free memory was 314.1 MB in the beginning and 312.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 406.02 ms. Allocated memory is still 354.4 MB. Free memory was 312.0 MB in the beginning and 287.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3493.03 ms. Allocated memory was 354.4 MB in the beginning and 968.9 MB in the end (delta: 614.5 MB). Free memory was 287.9 MB in the beginning and 806.0 MB in the end (delta: -518.1 MB). Peak memory consumption was 98.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3026.1ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 96.5ms, AutomataDifference: 834.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 461.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 537 SDtfs, 735 SDslu, 1680 SDs, 0 SdLazy, 120 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 726.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9333occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 560.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.6ms SsaConstructionTime, 142.8ms SatisfiabilityAnalysisTime, 762.3ms InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 786 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 369.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 41.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 327.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9333occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...