./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c2bbc92 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl/node-trans.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f05e2efd4e13579f099399e4c67484d06363308a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-05 20:47:57,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-05 20:47:57,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-05 20:47:57,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-05 20:47:57,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-05 20:47:57,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-05 20:47:57,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-05 20:47:57,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-05 20:47:57,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-05 20:47:57,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-05 20:47:57,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-05 20:47:57,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-05 20:47:57,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-05 20:47:57,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-05 20:47:57,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-05 20:47:57,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-05 20:47:57,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-05 20:47:57,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-05 20:47:57,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-05 20:47:57,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-05 20:47:57,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-05 20:47:57,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-05 20:47:57,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-05 20:47:57,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-05 20:47:57,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-05 20:47:57,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-05 20:47:57,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-05 20:47:57,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-05 20:47:57,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-05 20:47:57,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-05 20:47:57,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-05 20:47:57,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-05 20:47:57,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-05 20:47:57,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-05 20:47:57,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-05 20:47:57,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-05 20:47:57,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-05 20:47:57,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-05 20:47:57,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-05 20:47:57,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-05 20:47:57,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-05 20:47:57,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-05 20:47:57,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-05 20:47:57,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-05 20:47:57,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-05 20:47:57,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-05 20:47:57,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-05 20:47:57,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-05 20:47:57,997 INFO L138 SettingsManager]: * Use SBE=true [2021-10-05 20:47:57,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-05 20:47:57,998 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-05 20:47:57,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-05 20:47:57,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-05 20:47:57,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-05 20:47:58,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-05 20:47:58,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-05 20:47:58,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-05 20:47:58,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-05 20:47:58,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-05 20:47:58,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-05 20:47:58,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-05 20:47:58,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-05 20:47:58,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-05 20:47:58,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-05 20:47:58,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 20:47:58,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-05 20:47:58,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-05 20:47:58,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-05 20:47:58,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-05 20:47:58,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-05 20:47:58,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-05 20:47:58,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-05 20:47:58,003 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f05e2efd4e13579f099399e4c67484d06363308a [2021-10-05 20:47:58,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-05 20:47:58,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-05 20:47:58,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-05 20:47:58,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-05 20:47:58,485 INFO L275 PluginConnector]: CDTParser initialized [2021-10-05 20:47:58,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/node-trans.wvr.c [2021-10-05 20:47:58,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/187abbac9/f3aa82c19ef541d1826f22008f475cd9/FLAGbaf137462 [2021-10-05 20:47:59,128 INFO L306 CDTParser]: Found 1 translation units. [2021-10-05 20:47:59,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/node-trans.wvr.c [2021-10-05 20:47:59,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/187abbac9/f3aa82c19ef541d1826f22008f475cd9/FLAGbaf137462 [2021-10-05 20:47:59,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/187abbac9/f3aa82c19ef541d1826f22008f475cd9 [2021-10-05 20:47:59,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-05 20:47:59,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-05 20:47:59,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-05 20:47:59,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-05 20:47:59,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-05 20:47:59,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72803185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59, skipping insertion in model container [2021-10-05 20:47:59,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-05 20:47:59,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-05 20:47:59,800 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/node-trans.wvr.c[3762,3775] [2021-10-05 20:47:59,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 20:47:59,849 INFO L203 MainTranslator]: Completed pre-run [2021-10-05 20:47:59,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/node-trans.wvr.c[3762,3775] [2021-10-05 20:47:59,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 20:47:59,910 INFO L208 MainTranslator]: Completed translation [2021-10-05 20:47:59,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59 WrapperNode [2021-10-05 20:47:59,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-05 20:47:59,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-05 20:47:59,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-05 20:47:59,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-05 20:47:59,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-05 20:47:59,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-05 20:47:59,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-05 20:47:59,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-05 20:47:59,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:47:59,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:48:00,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:48:00,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:48:00,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:48:00,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-05 20:48:00,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-05 20:48:00,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-05 20:48:00,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-05 20:48:00,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (1/1) ... [2021-10-05 20:48:00,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 20:48:00,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-05 20:48:00,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-05 20:48:00,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-05 20:48:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-05 20:48:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-05 20:48:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-05 20:48:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-05 20:48:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-05 20:48:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-05 20:48:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-05 20:48:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-05 20:48:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-05 20:48:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-05 20:48:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-05 20:48:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-05 20:48:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-05 20:48:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-05 20:48:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-05 20:48:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-05 20:48:00,173 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-05 20:48:01,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-05 20:48:01,577 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-10-05 20:48:01,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 08:48:01 BoogieIcfgContainer [2021-10-05 20:48:01,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-05 20:48:01,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-05 20:48:01,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-05 20:48:01,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-05 20:48:01,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 08:47:59" (1/3) ... [2021-10-05 20:48:01,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b7a09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 08:48:01, skipping insertion in model container [2021-10-05 20:48:01,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:47:59" (2/3) ... [2021-10-05 20:48:01,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b7a09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 08:48:01, skipping insertion in model container [2021-10-05 20:48:01,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 08:48:01" (3/3) ... [2021-10-05 20:48:01,591 INFO L111 eAbstractionObserver]: Analyzing ICFG node-trans.wvr.c [2021-10-05 20:48:01,597 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-05 20:48:01,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-05 20:48:01,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-05 20:48:01,598 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-05 20:48:01,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,661 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,661 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,662 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,662 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,662 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,662 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,663 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,663 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,664 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,664 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,665 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,665 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,665 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,665 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,669 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,677 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,677 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,677 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,678 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,679 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,684 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,684 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,684 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,684 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,685 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,686 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,686 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,687 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,687 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,690 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,691 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,691 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,692 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,693 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,694 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,694 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,694 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,696 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,701 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,701 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,702 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,702 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,702 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,703 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,709 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,712 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,712 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,712 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,714 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,714 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,716 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,716 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,716 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,716 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,717 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:48:01,727 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-05 20:48:01,792 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-05 20:48:01,805 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-05 20:48:01,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-05 20:48:01,849 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-05 20:48:01,861 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 278 transitions, 580 flow [2021-10-05 20:48:01,865 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 278 transitions, 580 flow [2021-10-05 20:48:01,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 278 transitions, 580 flow [2021-10-05 20:48:02,069 INFO L129 PetriNetUnfolder]: 19/275 cut-off events. [2021-10-05 20:48:02,069 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-05 20:48:02,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 275 events. 19/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 109 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2021-10-05 20:48:02,079 INFO L116 LiptonReduction]: Number of co-enabled transitions 270 [2021-10-05 20:48:17,312 INFO L131 LiptonReduction]: Checked pairs total: 541 [2021-10-05 20:48:17,312 INFO L133 LiptonReduction]: Total number of compositions: 288 [2021-10-05 20:48:17,323 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 32 transitions, 88 flow [2021-10-05 20:48:17,338 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 49 states have internal predecessors, (92), 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) [2021-10-05 20:48:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 49 states have internal predecessors, (92), 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) [2021-10-05 20:48:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:17,346 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:17,347 INFO L512 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] [2021-10-05 20:48:17,347 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:17,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:17,353 INFO L82 PathProgramCache]: Analyzing trace with hash 606712560, now seen corresponding path program 1 times [2021-10-05 20:48:17,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:17,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476956745] [2021-10-05 20:48:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:17,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:18,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:18,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476956745] [2021-10-05 20:48:18,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476956745] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:18,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:18,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-05 20:48:18,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031549325] [2021-10-05 20:48:18,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-05 20:48:18,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-05 20:48:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-05 20:48:18,595 INFO L87 Difference]: Start difference. First operand has 50 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 49 states have internal predecessors, (92), 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 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2021-10-05 20:48:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:19,138 INFO L93 Difference]: Finished difference Result 111 states and 175 transitions. [2021-10-05 20:48:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-05 20:48:19,140 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:19,150 INFO L225 Difference]: With dead ends: 111 [2021-10-05 20:48:19,151 INFO L226 Difference]: Without dead ends: 82 [2021-10-05 20:48:19,152 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 415.8ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-05 20:48:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-05 20:48:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 55. [2021-10-05 20:48:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.8333333333333333) internal successors, (99), 54 states have internal predecessors, (99), 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) [2021-10-05 20:48:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2021-10-05 20:48:19,193 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 22 [2021-10-05 20:48:19,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:19,193 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2021-10-05 20:48:19,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2021-10-05 20:48:19,194 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2021-10-05 20:48:19,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:19,195 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:19,195 INFO L512 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] [2021-10-05 20:48:19,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-05 20:48:19,196 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:19,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1502102176, now seen corresponding path program 2 times [2021-10-05 20:48:19,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:19,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91666396] [2021-10-05 20:48:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:19,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:19,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:19,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91666396] [2021-10-05 20:48:19,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91666396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:19,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:19,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-05 20:48:19,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184137617] [2021-10-05 20:48:19,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-05 20:48:19,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-05 20:48:19,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-05 20:48:19,716 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-05 20:48:19,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:19,971 INFO L93 Difference]: Finished difference Result 77 states and 124 transitions. [2021-10-05 20:48:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:48:19,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:19,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:19,974 INFO L225 Difference]: With dead ends: 77 [2021-10-05 20:48:19,974 INFO L226 Difference]: Without dead ends: 63 [2021-10-05 20:48:19,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 175.8ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-05 20:48:19,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-05 20:48:19,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2021-10-05 20:48:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.7551020408163265) internal successors, (86), 49 states have internal predecessors, (86), 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) [2021-10-05 20:48:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 86 transitions. [2021-10-05 20:48:19,983 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 86 transitions. Word has length 22 [2021-10-05 20:48:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:19,983 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 86 transitions. [2021-10-05 20:48:19,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-05 20:48:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-10-05 20:48:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:19,984 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:19,985 INFO L512 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] [2021-10-05 20:48:19,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-05 20:48:19,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:19,985 INFO L82 PathProgramCache]: Analyzing trace with hash -396548898, now seen corresponding path program 3 times [2021-10-05 20:48:19,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:19,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87597011] [2021-10-05 20:48:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:19,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:20,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:20,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87597011] [2021-10-05 20:48:20,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87597011] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:20,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:20,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-05 20:48:20,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279609382] [2021-10-05 20:48:20,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-05 20:48:20,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:20,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-05 20:48:20,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-10-05 20:48:20,353 INFO L87 Difference]: Start difference. First operand 50 states and 86 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-05 20:48:20,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:20,704 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2021-10-05 20:48:20,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:48:20,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:20,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:20,705 INFO L225 Difference]: With dead ends: 69 [2021-10-05 20:48:20,705 INFO L226 Difference]: Without dead ends: 50 [2021-10-05 20:48:20,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 267.8ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-05 20:48:20,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-05 20:48:20,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2021-10-05 20:48:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.6829268292682926) internal successors, (69), 41 states have internal predecessors, (69), 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) [2021-10-05 20:48:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 69 transitions. [2021-10-05 20:48:20,711 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 69 transitions. Word has length 22 [2021-10-05 20:48:20,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:20,712 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 69 transitions. [2021-10-05 20:48:20,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-05 20:48:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2021-10-05 20:48:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:20,713 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:20,713 INFO L512 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] [2021-10-05 20:48:20,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-05 20:48:20,714 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:20,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1714072982, now seen corresponding path program 4 times [2021-10-05 20:48:20,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:20,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897703302] [2021-10-05 20:48:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:20,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:21,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:21,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897703302] [2021-10-05 20:48:21,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897703302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:21,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:21,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-05 20:48:21,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303890126] [2021-10-05 20:48:21,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-05 20:48:21,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:21,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-05 20:48:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-05 20:48:21,046 INFO L87 Difference]: Start difference. First operand 42 states and 69 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-05 20:48:21,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:21,392 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2021-10-05 20:48:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-05 20:48:21,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:21,394 INFO L225 Difference]: With dead ends: 91 [2021-10-05 20:48:21,394 INFO L226 Difference]: Without dead ends: 62 [2021-10-05 20:48:21,395 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 286.2ms TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-10-05 20:48:21,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-05 20:48:21,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 44. [2021-10-05 20:48:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.6511627906976745) internal successors, (71), 43 states have internal predecessors, (71), 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) [2021-10-05 20:48:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 71 transitions. [2021-10-05 20:48:21,400 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 71 transitions. Word has length 22 [2021-10-05 20:48:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:21,401 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 71 transitions. [2021-10-05 20:48:21,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-05 20:48:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2021-10-05 20:48:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:21,402 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:21,402 INFO L512 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] [2021-10-05 20:48:21,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-05 20:48:21,402 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:21,403 INFO L82 PathProgramCache]: Analyzing trace with hash -917009334, now seen corresponding path program 5 times [2021-10-05 20:48:21,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:21,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821053897] [2021-10-05 20:48:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:21,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:21,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:21,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821053897] [2021-10-05 20:48:21,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821053897] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:21,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:21,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-05 20:48:21,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159014758] [2021-10-05 20:48:21,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-05 20:48:21,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-05 20:48:21,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-05 20:48:21,673 INFO L87 Difference]: Start difference. First operand 44 states and 71 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-05 20:48:21,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:21,873 INFO L93 Difference]: Finished difference Result 59 states and 84 transitions. [2021-10-05 20:48:21,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:48:21,874 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:21,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:21,875 INFO L225 Difference]: With dead ends: 59 [2021-10-05 20:48:21,875 INFO L226 Difference]: Without dead ends: 45 [2021-10-05 20:48:21,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 140.8ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-10-05 20:48:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-05 20:48:21,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-10-05 20:48:21,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 33 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) [2021-10-05 20:48:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 52 transitions. [2021-10-05 20:48:21,879 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 52 transitions. Word has length 22 [2021-10-05 20:48:21,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:21,880 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 52 transitions. [2021-10-05 20:48:21,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-05 20:48:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2021-10-05 20:48:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:21,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:21,881 INFO L512 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] [2021-10-05 20:48:21,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-05 20:48:21,881 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:21,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:21,882 INFO L82 PathProgramCache]: Analyzing trace with hash -470520056, now seen corresponding path program 6 times [2021-10-05 20:48:21,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:21,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565090442] [2021-10-05 20:48:21,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:21,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:22,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:22,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565090442] [2021-10-05 20:48:22,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565090442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:22,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:22,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-05 20:48:22,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855939813] [2021-10-05 20:48:22,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-05 20:48:22,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:22,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-05 20:48:22,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-05 20:48:22,329 INFO L87 Difference]: Start difference. First operand 34 states and 52 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2021-10-05 20:48:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:22,731 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2021-10-05 20:48:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-05 20:48:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:22,732 INFO L225 Difference]: With dead ends: 43 [2021-10-05 20:48:22,732 INFO L226 Difference]: Without dead ends: 30 [2021-10-05 20:48:22,733 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 373.4ms TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-10-05 20:48:22,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-05 20:48:22,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-05 20:48:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 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) [2021-10-05 20:48:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2021-10-05 20:48:22,738 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 43 transitions. Word has length 22 [2021-10-05 20:48:22,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:22,738 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-10-05 20:48:22,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2021-10-05 20:48:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-05 20:48:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:22,741 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:22,741 INFO L512 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] [2021-10-05 20:48:22,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-05 20:48:22,742 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash -640615722, now seen corresponding path program 7 times [2021-10-05 20:48:22,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:22,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340819610] [2021-10-05 20:48:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:22,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:22,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:22,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340819610] [2021-10-05 20:48:22,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340819610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:22,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:22,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:48:22,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132888856] [2021-10-05 20:48:22,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:48:22,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:22,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:48:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:48:22,900 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-05 20:48:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:23,019 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-10-05 20:48:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-05 20:48:23,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:23,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:23,020 INFO L225 Difference]: With dead ends: 37 [2021-10-05 20:48:23,020 INFO L226 Difference]: Without dead ends: 26 [2021-10-05 20:48:23,021 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 66.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 20:48:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-05 20:48:23,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-05 20:48:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 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) [2021-10-05 20:48:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2021-10-05 20:48:23,026 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 22 [2021-10-05 20:48:23,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:23,026 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-05 20:48:23,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-05 20:48:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-05 20:48:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 20:48:23,028 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:48:23,028 INFO L512 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] [2021-10-05 20:48:23,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-05 20:48:23,028 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:48:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:48:23,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1506854182, now seen corresponding path program 8 times [2021-10-05 20:48:23,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:48:23,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776907137] [2021-10-05 20:48:23,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:48:23,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:48:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:48:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:48:23,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:48:23,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776907137] [2021-10-05 20:48:23,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776907137] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:48:23,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:48:23,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:48:23,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575110824] [2021-10-05 20:48:23,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:48:23,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:48:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:48:23,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:48:23,224 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-05 20:48:23,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:48:23,327 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2021-10-05 20:48:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-05 20:48:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-05 20:48:23,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:48:23,328 INFO L225 Difference]: With dead ends: 25 [2021-10-05 20:48:23,328 INFO L226 Difference]: Without dead ends: 0 [2021-10-05 20:48:23,328 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 20:48:23,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-05 20:48:23,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-05 20:48:23,329 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) [2021-10-05 20:48:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-05 20:48:23,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-05 20:48:23,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:48:23,329 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-05 20:48:23,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-05 20:48:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-05 20:48:23,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-05 20:48:23,333 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-05 20:48:23,333 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-05 20:48:23,333 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-05 20:48:23,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-05 20:48:23,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-05 20:48:23,338 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-05 20:48:23,338 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-05 20:48:23,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 08:48:23 BasicIcfg [2021-10-05 20:48:23,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-05 20:48:23,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-05 20:48:23,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-05 20:48:23,341 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-05 20:48:23,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 08:48:01" (3/4) ... [2021-10-05 20:48:23,345 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-05 20:48:23,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-05 20:48:23,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-05 20:48:23,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-05 20:48:23,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-10-05 20:48:23,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-05 20:48:23,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-05 20:48:23,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-05 20:48:23,433 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-05 20:48:23,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-05 20:48:23,437 INFO L168 Benchmark]: Toolchain (without parser) took 23965.14 ms. Allocated memory was 50.3 MB in the beginning and 172.0 MB in the end (delta: 121.6 MB). Free memory was 27.0 MB in the beginning and 121.5 MB in the end (delta: -94.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,437 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 39.8 MB. Free memory was 21.2 MB in the beginning and 21.1 MB in the end (delta: 26.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 20:48:23,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.16 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 28.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 25.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,438 INFO L168 Benchmark]: Boogie Preprocessor took 50.03 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 23.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,440 INFO L168 Benchmark]: RCFGBuilder took 1554.43 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 40.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,440 INFO L168 Benchmark]: TraceAbstraction took 21756.14 ms. Allocated memory was 60.8 MB in the beginning and 172.0 MB in the end (delta: 111.1 MB). Free memory was 39.8 MB in the beginning and 127.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,441 INFO L168 Benchmark]: Witness Printer took 92.28 ms. Allocated memory is still 172.0 MB. Free memory was 127.8 MB in the beginning and 121.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-05 20:48:23,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 39.8 MB. Free memory was 21.2 MB in the beginning and 21.1 MB in the end (delta: 26.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.16 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 28.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 25.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.03 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 23.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1554.43 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 40.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21756.14 ms. Allocated memory was 60.8 MB in the beginning and 172.0 MB in the end (delta: 111.1 MB). Free memory was 39.8 MB in the beginning and 127.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * Witness Printer took 92.28 ms. Allocated memory is still 172.0 MB. Free memory was 127.8 MB in the beginning and 121.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15448.0ms, 269 PlacesBefore, 36 PlacesAfterwards, 278 TransitionsBefore, 32 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 7 FixpointIterations, 221 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 0 ConcurrentYvCompositions, 13 ChoiceCompositions, 288 TotalNumberOfCompositions, 541 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 429, positive: 386, positive conditional: 0, positive unconditional: 386, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, positive: 208, positive conditional: 0, positive unconditional: 208, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, positive: 208, positive conditional: 0, positive unconditional: 208, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 429, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 107]: 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, 275 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21547.7ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 16.7ms, AutomataDifference: 2371.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15519.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 163 SDtfs, 814 SDslu, 255 SDs, 0 SdLazy, 800 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 857.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1782.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=1, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 56.6ms AutomataMinimizationTime, 8 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 53.7ms SsaConstructionTime, 1202.6ms SatisfiabilityAnalysisTime, 2090.0ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 2949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-05 20:48:23,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...