/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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/15-goto-within.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 18:42:08,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 18:42:08,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 18:42:08,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 18:42:08,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 18:42:08,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 18:42:08,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 18:42:08,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 18:42:08,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 18:42:08,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 18:42:08,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 18:42:08,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 18:42:08,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 18:42:08,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 18:42:08,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 18:42:08,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 18:42:08,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 18:42:08,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 18:42:08,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 18:42:08,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 18:42:08,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 18:42:08,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 18:42:08,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 18:42:08,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 18:42:08,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 18:42:08,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 18:42:08,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 18:42:08,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 18:42:08,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 18:42:08,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 18:42:08,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 18:42:08,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 18:42:08,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 18:42:08,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 18:42:08,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 18:42:08,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 18:42:08,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 18:42:08,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 18:42:08,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 18:42:08,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 18:42:08,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 18:42:08,234 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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 18:42:08,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 18:42:08,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 18:42:08,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 18:42:08,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 18:42:08,257 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 18:42:08,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 18:42:08,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 18:42:08,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 18:42:08,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 18:42:08,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 18:42:08,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 18:42:08,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 18:42:08,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 18:42:08,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 18:42:08,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 18:42:08,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 18:42:08,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 18:42:08,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 18:42:08,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 18:42:08,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 18:42:08,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 18:42:08,260 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 18:42:08,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 18:42:08,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 18:42:08,260 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 18:42:08,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 18:42:08,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 18:42:08,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 18:42:08,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 18:42:08,538 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 18:42:08,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/15-goto-within.c [2021-06-11 18:42:08,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b28c4934/edff9fef8f3041eeb8ecf3a87d25579b/FLAG55ecea81b [2021-06-11 18:42:08,933 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 18:42:08,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/15-goto-within.c [2021-06-11 18:42:08,934 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-11 18:42:08,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b28c4934/edff9fef8f3041eeb8ecf3a87d25579b/FLAG55ecea81b [2021-06-11 18:42:09,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b28c4934/edff9fef8f3041eeb8ecf3a87d25579b [2021-06-11 18:42:09,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 18:42:09,365 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 18:42:09,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 18:42:09,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 18:42:09,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 18:42:09,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b35c032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09, skipping insertion in model container [2021-06-11 18:42:09,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 18:42:09,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 18:42:09,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 18:42:09,494 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 18:42:09,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 18:42:09,515 INFO L208 MainTranslator]: Completed translation [2021-06-11 18:42:09,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09 WrapperNode [2021-06-11 18:42:09,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 18:42:09,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 18:42:09,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 18:42:09,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 18:42:09,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 18:42:09,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 18:42:09,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 18:42:09,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 18:42:09,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (1/1) ... [2021-06-11 18:42:09,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 18:42:09,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 18:42:09,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 18:42:09,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 18:42:09,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (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 [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-11 18:42:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 18:42:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 18:42:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 18:42:09,601 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 18:42:09,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 18:42:09,788 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-11 18:42:09,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:42:09 BoogieIcfgContainer [2021-06-11 18:42:09,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 18:42:09,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 18:42:09,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 18:42:09,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 18:42:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:42:09" (1/3) ... [2021-06-11 18:42:09,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb22f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:42:09, skipping insertion in model container [2021-06-11 18:42:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:42:09" (2/3) ... [2021-06-11 18:42:09,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb22f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:42:09, skipping insertion in model container [2021-06-11 18:42:09,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:42:09" (3/3) ... [2021-06-11 18:42:09,794 INFO L111 eAbstractionObserver]: Analyzing ICFG 15-goto-within.c [2021-06-11 18:42:09,797 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 18:42:09,800 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 18:42:09,800 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 18:42:09,841 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,841 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,841 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,841 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,841 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,841 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,842 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,842 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,844 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,844 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,844 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,844 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:42:09,846 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 18:42:09,859 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-11 18:42:09,889 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 18:42:09,889 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 18:42:09,889 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 18:42:09,889 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 18:42:09,890 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 18:42:09,890 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 18:42:09,890 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 18:42:09,890 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 18:42:09,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 49 flow [2021-06-11 18:42:09,926 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-06-11 18:42:09,927 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:09,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 18:42:09,930 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 22 transitions, 49 flow [2021-06-11 18:42:09,938 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2021-06-11 18:42:09,940 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:42:09,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 18 transitions, 39 flow [2021-06-11 18:42:09,956 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 18 transitions, 39 flow [2021-06-11 18:42:09,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 18 transitions, 39 flow [2021-06-11 18:42:09,969 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-06-11 18:42:09,970 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:09,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 18:42:09,972 INFO L151 LiptonReduction]: Number of co-enabled transitions 24 [2021-06-11 18:42:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:42:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:42:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 18:42:10,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:10,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:42:10,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:42:10,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 18:42:10,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:42:10,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 18:42:10,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 18:42:10,662 INFO L163 LiptonReduction]: Checked pairs total: 13 [2021-06-11 18:42:10,663 INFO L165 LiptonReduction]: Total number of compositions: 14 [2021-06-11 18:42:10,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 725 [2021-06-11 18:42:10,669 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2021-06-11 18:42:10,670 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:10,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 18:42:10,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 18:42:10,671 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 18:42:10,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 18:42:10,674 INFO L82 PathProgramCache]: Analyzing trace with hash 104814, now seen corresponding path program 1 times [2021-06-11 18:42:10,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 18:42:10,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736128005] [2021-06-11 18:42:10,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 18:42:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 18:42:10,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:10,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 18:42:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 18:42:10,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736128005] [2021-06-11 18:42:10,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 18:42:10,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 18:42:10,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872679942] [2021-06-11 18:42:10,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 18:42:10,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 18:42:10,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 18:42:10,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 18:42:10,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 36 [2021-06-11 18:42:10,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 8 places, 4 transitions, 11 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-06-11 18:42:10,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 18:42:10,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 36 [2021-06-11 18:42:10,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 18:42:10,813 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2021-06-11 18:42:10,813 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:10,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10 conditions, 3 events. 0/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/5 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 18:42:10,815 INFO L132 encePairwiseOnDemand]: 34/36 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2021-06-11 18:42:10,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9 places, 3 transitions, 13 flow [2021-06-11 18:42:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 18:42:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 18:42:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2021-06-11 18:42:10,828 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6944444444444444 [2021-06-11 18:42:10,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 75 transitions. [2021-06-11 18:42:10,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 75 transitions. [2021-06-11 18:42:10,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 18:42:10,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 75 transitions. [2021-06-11 18:42:10,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-06-11 18:42:10,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 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) [2021-06-11 18:42:10,837 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 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) [2021-06-11 18:42:10,838 INFO L185 Difference]: Start difference. First operand has 8 places, 4 transitions, 11 flow. Second operand 3 states and 75 transitions. [2021-06-11 18:42:10,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 9 places, 3 transitions, 13 flow [2021-06-11 18:42:10,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 8 places, 3 transitions, 12 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 18:42:10,841 INFO L241 Difference]: Finished difference. Result has 8 places, 0 transitions, 0 flow [2021-06-11 18:42:10,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=8, PETRI_DIFFERENCE_MINUEND_PLACES=6, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=8, PETRI_TRANSITIONS=0} [2021-06-11 18:42:10,844 INFO L343 CegarLoopForPetriNet]: 8 programPoint places, 0 predicate places. [2021-06-11 18:42:10,844 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:42:10,844 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 8 places, 0 transitions, 0 flow [2021-06-11 18:42:10,845 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 8 places, 0 transitions, 0 flow [2021-06-11 18:42:10,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 18:42:10,845 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 18:42:10,845 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:10,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 18:42:10,846 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 18:42:10,846 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 18:42:10,846 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 18:42:10,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-06-11 18:42:10,847 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 18:42:10,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-06-11 18:42:10,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 18:42:10,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:42:10 BasicIcfg [2021-06-11 18:42:10,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 18:42:10,851 INFO L168 Benchmark]: Toolchain (without parser) took 1484.82 ms. Allocated memory is still 358.6 MB. Free memory was 320.2 MB in the beginning and 183.2 MB in the end (delta: 137.0 MB). Peak memory consumption was 137.3 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:10,852 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 358.6 MB. Free memory is still 338.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:42:10,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.94 ms. Allocated memory is still 358.6 MB. Free memory was 320.1 MB in the beginning and 341.5 MB in the end (delta: -21.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:10,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 358.6 MB. Free memory was 341.5 MB in the beginning and 340.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:42:10,856 INFO L168 Benchmark]: Boogie Preprocessor took 10.20 ms. Allocated memory is still 358.6 MB. Free memory was 340.4 MB in the beginning and 339.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:42:10,856 INFO L168 Benchmark]: RCFGBuilder took 241.35 ms. Allocated memory is still 358.6 MB. Free memory was 339.4 MB in the beginning and 323.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:10,857 INFO L168 Benchmark]: TraceAbstraction took 1059.94 ms. Allocated memory is still 358.6 MB. Free memory was 322.6 MB in the beginning and 183.2 MB in the end (delta: 139.5 MB). Peak memory consumption was 140.5 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:10,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 358.6 MB. Free memory is still 338.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 146.94 ms. Allocated memory is still 358.6 MB. Free memory was 320.1 MB in the beginning and 341.5 MB in the end (delta: -21.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 358.6 MB. Free memory was 341.5 MB in the beginning and 340.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.20 ms. Allocated memory is still 358.6 MB. Free memory was 340.4 MB in the beginning and 339.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 241.35 ms. Allocated memory is still 358.6 MB. Free memory was 339.4 MB in the beginning and 323.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1059.94 ms. Allocated memory is still 358.6 MB. Free memory was 322.6 MB in the beginning and 183.2 MB in the end (delta: 139.5 MB). Peak memory consumption was 140.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 706.1ms, 22 PlacesBefore, 8 PlacesAfterwards, 18 TransitionsBefore, 4 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9ms, 8 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - PositiveResult [Line: 20]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 961.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 53.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 778.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 3, 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: TRACE_CHECK: 5.0ms SsaConstructionTime, 12.2ms SatisfiabilityAnalysisTime, 30.2ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...