./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:57:31,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:57:31,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:57:31,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:57:31,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:57:31,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:57:31,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:57:31,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:57:31,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:57:31,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:57:31,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:57:31,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:57:31,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:57:31,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:57:31,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:57:31,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:57:31,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:57:31,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:57:31,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:57:31,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:57:31,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:57:31,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:57:31,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:57:31,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:57:31,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:57:31,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:57:31,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:57:31,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:57:31,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:57:31,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:57:31,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:57:31,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:57:31,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:57:31,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:57:31,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:57:31,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:57:31,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:57:31,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:57:31,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:57:31,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:57:31,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:57:31,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:57:32,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:57:32,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:57:32,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:57:32,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:57:32,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:57:32,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:57:32,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:57:32,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:57:32,017 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:57:32,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:57:32,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:57:32,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:57:32,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:57:32,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:57:32,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:57:32,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:57:32,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:57:32,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:57:32,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:57:32,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:57:32,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:57:32,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:57:32,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:57:32,020 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:57:32,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:57:32,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:57:32,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:57:32,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2021-12-17 22:57:32,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:57:32,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:57:32,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:57:32,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:57:32,255 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:57:32,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-12-17 22:57:32,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81ecca39/b7cac7c278804dabaf47f0d522eee7c3/FLAG7c46febb3 [2021-12-17 22:57:32,755 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:57:32,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-12-17 22:57:32,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81ecca39/b7cac7c278804dabaf47f0d522eee7c3/FLAG7c46febb3 [2021-12-17 22:57:32,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81ecca39/b7cac7c278804dabaf47f0d522eee7c3 [2021-12-17 22:57:32,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:57:32,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:57:32,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:57:32,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:57:32,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:57:32,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:32,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1a1ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32, skipping insertion in model container [2021-12-17 22:57:32,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:32,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:57:32,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:57:32,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-12-17 22:57:32,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:57:32,936 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:57:32,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-12-17 22:57:32,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:57:32,970 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:57:32,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32 WrapperNode [2021-12-17 22:57:32,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:57:32,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:57:32,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:57:32,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:57:32,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,037 INFO L137 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 191 [2021-12-17 22:57:33,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:57:33,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:57:33,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:57:33,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:57:33,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:57:33,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:57:33,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:57:33,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:57:33,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (1/1) ... [2021-12-17 22:57:33,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:57:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:33,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 22:57:33,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 22:57:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:57:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:57:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:57:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 22:57:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-17 22:57:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-17 22:57:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-17 22:57:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-17 22:57:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-17 22:57:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-17 22:57:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:57:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-17 22:57:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-17 22:57:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-17 22:57:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:57:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:57:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:57:33,160 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:57:33,244 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:57:33,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:57:33,459 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:57:33,516 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:57:33,516 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-17 22:57:33,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:57:33 BoogieIcfgContainer [2021-12-17 22:57:33,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:57:33,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:57:33,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:57:33,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:57:33,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:57:32" (1/3) ... [2021-12-17 22:57:33,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4685ce81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:57:33, skipping insertion in model container [2021-12-17 22:57:33,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:57:32" (2/3) ... [2021-12-17 22:57:33,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4685ce81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:57:33, skipping insertion in model container [2021-12-17 22:57:33,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:57:33" (3/3) ... [2021-12-17 22:57:33,523 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2021-12-17 22:57:33,540 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:57:33,541 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:57:33,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 22:57:33,541 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:57:33,574 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,582 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,582 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,582 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,584 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,584 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,584 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,584 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,586 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,586 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,588 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,588 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,589 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,589 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,589 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,589 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,589 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,589 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,590 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,590 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,591 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,592 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,592 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,592 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,592 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,593 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,593 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,593 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,593 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,593 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,597 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,597 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,612 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,612 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,612 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,612 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:57:33,632 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-17 22:57:33,673 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:57:33,678 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-17 22:57:33,684 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-17 22:57:33,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 330 flow [2021-12-17 22:57:33,779 INFO L129 PetriNetUnfolder]: 12/150 cut-off events. [2021-12-17 22:57:33,779 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-17 22:57:33,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 150 events. 12/150 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2021-12-17 22:57:33,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 153 transitions, 330 flow [2021-12-17 22:57:33,788 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 139 transitions, 296 flow [2021-12-17 22:57:33,825 INFO L129 PetriNetUnfolder]: 12/138 cut-off events. [2021-12-17 22:57:33,826 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-17 22:57:33,826 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:33,827 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:33,827 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:33,833 INFO L85 PathProgramCache]: Analyzing trace with hash -242833221, now seen corresponding path program 1 times [2021-12-17 22:57:33,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:33,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471911939] [2021-12-17 22:57:33,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:33,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:34,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:34,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471911939] [2021-12-17 22:57:34,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471911939] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:57:34,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:57:34,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:57:34,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142801815] [2021-12-17 22:57:34,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:34,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 22:57:34,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:34,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 22:57:34,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 22:57:34,118 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 153 [2021-12-17 22:57:34,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 139 transitions, 296 flow. Second operand has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 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) [2021-12-17 22:57:34,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:34,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 153 [2021-12-17 22:57:34,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:34,206 INFO L129 PetriNetUnfolder]: 41/264 cut-off events. [2021-12-17 22:57:34,206 INFO L130 PetriNetUnfolder]: For 50/51 co-relation queries the response was YES. [2021-12-17 22:57:34,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 264 events. 41/264 cut-off events. For 50/51 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 706 event pairs, 15 based on Foata normal form. 42/275 useless extension candidates. Maximal degree in co-relation 216. Up to 59 conditions per place. [2021-12-17 22:57:34,211 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 9 selfloop transitions, 0 changer transitions 4/131 dead transitions. [2021-12-17 22:57:34,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 131 transitions, 298 flow [2021-12-17 22:57:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 22:57:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-17 22:57:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 287 transitions. [2021-12-17 22:57:34,229 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9379084967320261 [2021-12-17 22:57:34,229 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 287 transitions. [2021-12-17 22:57:34,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 287 transitions. [2021-12-17 22:57:34,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:34,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 287 transitions. [2021-12-17 22:57:34,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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) [2021-12-17 22:57:34,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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) [2021-12-17 22:57:34,239 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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) [2021-12-17 22:57:34,240 INFO L186 Difference]: Start difference. First operand has 137 places, 139 transitions, 296 flow. Second operand 2 states and 287 transitions. [2021-12-17 22:57:34,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 131 transitions, 298 flow [2021-12-17 22:57:34,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 286 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-17 22:57:34,245 INFO L242 Difference]: Finished difference. Result has 132 places, 127 transitions, 260 flow [2021-12-17 22:57:34,246 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=260, PETRI_PLACES=132, PETRI_TRANSITIONS=127} [2021-12-17 22:57:34,248 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, -5 predicate places. [2021-12-17 22:57:34,249 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 127 transitions, 260 flow [2021-12-17 22:57:34,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 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) [2021-12-17 22:57:34,249 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:34,249 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:34,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:57:34,250 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:34,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:34,250 INFO L85 PathProgramCache]: Analyzing trace with hash 740750995, now seen corresponding path program 1 times [2021-12-17 22:57:34,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:34,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766298112] [2021-12-17 22:57:34,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:34,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:34,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:34,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766298112] [2021-12-17 22:57:34,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766298112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:57:34,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:57:34,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:57:34,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853138051] [2021-12-17 22:57:34,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:34,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:57:34,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:34,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:57:34,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:57:34,447 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-12-17 22:57:34,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 127 transitions, 260 flow. Second operand has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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) [2021-12-17 22:57:34,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:34,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-12-17 22:57:34,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:34,600 INFO L129 PetriNetUnfolder]: 54/344 cut-off events. [2021-12-17 22:57:34,601 INFO L130 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2021-12-17 22:57:34,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 344 events. 54/344 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1185 event pairs, 6 based on Foata normal form. 2/311 useless extension candidates. Maximal degree in co-relation 459. Up to 52 conditions per place. [2021-12-17 22:57:34,603 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 39 selfloop transitions, 6 changer transitions 4/149 dead transitions. [2021-12-17 22:57:34,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 149 transitions, 411 flow [2021-12-17 22:57:34,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 22:57:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-17 22:57:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 728 transitions. [2021-12-17 22:57:34,606 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7930283224400871 [2021-12-17 22:57:34,606 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 728 transitions. [2021-12-17 22:57:34,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 728 transitions. [2021-12-17 22:57:34,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:34,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 728 transitions. [2021-12-17 22:57:34,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 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) [2021-12-17 22:57:34,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 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) [2021-12-17 22:57:34,616 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 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) [2021-12-17 22:57:34,617 INFO L186 Difference]: Start difference. First operand has 132 places, 127 transitions, 260 flow. Second operand 6 states and 728 transitions. [2021-12-17 22:57:34,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 149 transitions, 411 flow [2021-12-17 22:57:34,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 149 transitions, 411 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:57:34,622 INFO L242 Difference]: Finished difference. Result has 136 places, 131 transitions, 296 flow [2021-12-17 22:57:34,622 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=136, PETRI_TRANSITIONS=131} [2021-12-17 22:57:34,623 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, -1 predicate places. [2021-12-17 22:57:34,623 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 296 flow [2021-12-17 22:57:34,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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) [2021-12-17 22:57:34,624 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:34,624 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:34,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:57:34,624 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:34,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:34,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1783469737, now seen corresponding path program 1 times [2021-12-17 22:57:34,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:34,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446343974] [2021-12-17 22:57:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:34,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:34,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:34,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446343974] [2021-12-17 22:57:34,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446343974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:57:34,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:57:34,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:57:34,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427145433] [2021-12-17 22:57:34,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:34,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:57:34,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:34,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:57:34,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:57:34,715 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-12-17 22:57:34,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 131 transitions, 296 flow. Second operand has 7 states, 7 states have (on average 116.42857142857143) internal successors, (815), 7 states have internal predecessors, (815), 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) [2021-12-17 22:57:34,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:34,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-12-17 22:57:34,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:34,988 INFO L129 PetriNetUnfolder]: 378/1242 cut-off events. [2021-12-17 22:57:34,989 INFO L130 PetriNetUnfolder]: For 239/267 co-relation queries the response was YES. [2021-12-17 22:57:34,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2173 conditions, 1242 events. 378/1242 cut-off events. For 239/267 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7881 event pairs, 144 based on Foata normal form. 0/1054 useless extension candidates. Maximal degree in co-relation 2166. Up to 429 conditions per place. [2021-12-17 22:57:35,000 INFO L132 encePairwiseOnDemand]: 144/153 looper letters, 55 selfloop transitions, 8 changer transitions 0/159 dead transitions. [2021-12-17 22:57:35,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 159 transitions, 506 flow [2021-12-17 22:57:35,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 22:57:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-17 22:57:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 960 transitions. [2021-12-17 22:57:35,005 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7843137254901961 [2021-12-17 22:57:35,005 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 960 transitions. [2021-12-17 22:57:35,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 960 transitions. [2021-12-17 22:57:35,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:35,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 960 transitions. [2021-12-17 22:57:35,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 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) [2021-12-17 22:57:35,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 153.0) internal successors, (1377), 9 states have internal predecessors, (1377), 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) [2021-12-17 22:57:35,012 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 153.0) internal successors, (1377), 9 states have internal predecessors, (1377), 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) [2021-12-17 22:57:35,012 INFO L186 Difference]: Start difference. First operand has 136 places, 131 transitions, 296 flow. Second operand 8 states and 960 transitions. [2021-12-17 22:57:35,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 159 transitions, 506 flow [2021-12-17 22:57:35,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 159 transitions, 502 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-17 22:57:35,020 INFO L242 Difference]: Finished difference. Result has 142 places, 134 transitions, 328 flow [2021-12-17 22:57:35,020 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=328, PETRI_PLACES=142, PETRI_TRANSITIONS=134} [2021-12-17 22:57:35,022 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 5 predicate places. [2021-12-17 22:57:35,022 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 134 transitions, 328 flow [2021-12-17 22:57:35,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 116.42857142857143) internal successors, (815), 7 states have internal predecessors, (815), 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) [2021-12-17 22:57:35,023 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:35,023 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:35,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:57:35,024 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:35,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:35,025 INFO L85 PathProgramCache]: Analyzing trace with hash -507586615, now seen corresponding path program 1 times [2021-12-17 22:57:35,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:35,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857863444] [2021-12-17 22:57:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:35,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:35,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:35,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857863444] [2021-12-17 22:57:35,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857863444] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:57:35,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:57:35,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 22:57:35,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63353896] [2021-12-17 22:57:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:35,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:57:35,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:35,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:57:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:57:35,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 153 [2021-12-17 22:57:35,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 134 transitions, 328 flow. Second operand has 10 states, 10 states have (on average 95.1) internal successors, (951), 10 states have internal predecessors, (951), 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) [2021-12-17 22:57:35,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:35,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 153 [2021-12-17 22:57:35,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:35,637 INFO L129 PetriNetUnfolder]: 870/1937 cut-off events. [2021-12-17 22:57:35,637 INFO L130 PetriNetUnfolder]: For 377/401 co-relation queries the response was YES. [2021-12-17 22:57:35,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3794 conditions, 1937 events. 870/1937 cut-off events. For 377/401 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 13127 event pairs, 583 based on Foata normal form. 24/1735 useless extension candidates. Maximal degree in co-relation 3785. Up to 1139 conditions per place. [2021-12-17 22:57:35,648 INFO L132 encePairwiseOnDemand]: 139/153 looper letters, 75 selfloop transitions, 13 changer transitions 0/167 dead transitions. [2021-12-17 22:57:35,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 167 transitions, 590 flow [2021-12-17 22:57:35,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:57:35,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:57:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1266 transitions. [2021-12-17 22:57:35,651 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6365007541478129 [2021-12-17 22:57:35,651 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1266 transitions. [2021-12-17 22:57:35,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1266 transitions. [2021-12-17 22:57:35,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:35,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1266 transitions. [2021-12-17 22:57:35,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 97.38461538461539) internal successors, (1266), 13 states have internal predecessors, (1266), 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) [2021-12-17 22:57:35,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 153.0) internal successors, (2142), 14 states have internal predecessors, (2142), 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) [2021-12-17 22:57:35,657 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 153.0) internal successors, (2142), 14 states have internal predecessors, (2142), 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) [2021-12-17 22:57:35,657 INFO L186 Difference]: Start difference. First operand has 142 places, 134 transitions, 328 flow. Second operand 13 states and 1266 transitions. [2021-12-17 22:57:35,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 167 transitions, 590 flow [2021-12-17 22:57:35,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 167 transitions, 580 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-17 22:57:35,662 INFO L242 Difference]: Finished difference. Result has 155 places, 138 transitions, 371 flow [2021-12-17 22:57:35,663 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=371, PETRI_PLACES=155, PETRI_TRANSITIONS=138} [2021-12-17 22:57:35,663 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 18 predicate places. [2021-12-17 22:57:35,664 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 138 transitions, 371 flow [2021-12-17 22:57:35,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 95.1) internal successors, (951), 10 states have internal predecessors, (951), 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) [2021-12-17 22:57:35,664 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:35,665 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:35,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:57:35,665 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:35,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1248427851, now seen corresponding path program 1 times [2021-12-17 22:57:35,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:35,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378942740] [2021-12-17 22:57:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:35,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:35,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:35,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378942740] [2021-12-17 22:57:35,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378942740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:57:35,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:57:35,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 22:57:35,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757754536] [2021-12-17 22:57:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:35,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:57:35,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:35,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:57:35,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:57:35,814 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 153 [2021-12-17 22:57:35,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 138 transitions, 371 flow. Second operand has 10 states, 10 states have (on average 96.0) internal successors, (960), 10 states have internal predecessors, (960), 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) [2021-12-17 22:57:35,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:35,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 153 [2021-12-17 22:57:35,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:36,171 INFO L129 PetriNetUnfolder]: 688/1433 cut-off events. [2021-12-17 22:57:36,172 INFO L130 PetriNetUnfolder]: For 445/463 co-relation queries the response was YES. [2021-12-17 22:57:36,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3038 conditions, 1433 events. 688/1433 cut-off events. For 445/463 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8485 event pairs, 365 based on Foata normal form. 18/1340 useless extension candidates. Maximal degree in co-relation 3024. Up to 826 conditions per place. [2021-12-17 22:57:36,180 INFO L132 encePairwiseOnDemand]: 140/153 looper letters, 60 selfloop transitions, 7 changer transitions 21/167 dead transitions. [2021-12-17 22:57:36,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 167 transitions, 627 flow [2021-12-17 22:57:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 22:57:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-17 22:57:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1184 transitions. [2021-12-17 22:57:36,183 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.644880174291939 [2021-12-17 22:57:36,183 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1184 transitions. [2021-12-17 22:57:36,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1184 transitions. [2021-12-17 22:57:36,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:36,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1184 transitions. [2021-12-17 22:57:36,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 98.66666666666667) internal successors, (1184), 12 states have internal predecessors, (1184), 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) [2021-12-17 22:57:36,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 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) [2021-12-17 22:57:36,211 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 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) [2021-12-17 22:57:36,212 INFO L186 Difference]: Start difference. First operand has 155 places, 138 transitions, 371 flow. Second operand 12 states and 1184 transitions. [2021-12-17 22:57:36,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 167 transitions, 627 flow [2021-12-17 22:57:36,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 167 transitions, 610 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-12-17 22:57:36,216 INFO L242 Difference]: Finished difference. Result has 161 places, 132 transitions, 334 flow [2021-12-17 22:57:36,216 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=334, PETRI_PLACES=161, PETRI_TRANSITIONS=132} [2021-12-17 22:57:36,218 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 24 predicate places. [2021-12-17 22:57:36,218 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 132 transitions, 334 flow [2021-12-17 22:57:36,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 96.0) internal successors, (960), 10 states have internal predecessors, (960), 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) [2021-12-17 22:57:36,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:36,218 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:36,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:57:36,219 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1544431852, now seen corresponding path program 1 times [2021-12-17 22:57:36,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:36,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140747383] [2021-12-17 22:57:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:36,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:36,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:36,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140747383] [2021-12-17 22:57:36,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140747383] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:36,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928116417] [2021-12-17 22:57:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:36,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:36,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:36,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:36,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 22:57:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:36,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 22:57:36,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:36,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:37,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928116417] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:57:37,110 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:57:37,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2021-12-17 22:57:37,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538758034] [2021-12-17 22:57:37,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:57:37,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-17 22:57:37,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:37,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-17 22:57:37,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-12-17 22:57:37,112 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-12-17 22:57:37,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 132 transitions, 334 flow. Second operand has 18 states, 18 states have (on average 108.94444444444444) internal successors, (1961), 18 states have internal predecessors, (1961), 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) [2021-12-17 22:57:37,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:37,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-12-17 22:57:37,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:37,701 INFO L129 PetriNetUnfolder]: 1477/2667 cut-off events. [2021-12-17 22:57:37,702 INFO L130 PetriNetUnfolder]: For 1058/1058 co-relation queries the response was YES. [2021-12-17 22:57:37,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6247 conditions, 2667 events. 1477/2667 cut-off events. For 1058/1058 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 17889 event pairs, 335 based on Foata normal form. 10/2642 useless extension candidates. Maximal degree in co-relation 6231. Up to 680 conditions per place. [2021-12-17 22:57:37,717 INFO L132 encePairwiseOnDemand]: 141/153 looper letters, 106 selfloop transitions, 19 changer transitions 0/214 dead transitions. [2021-12-17 22:57:37,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 214 transitions, 861 flow [2021-12-17 22:57:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:57:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:57:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1484 transitions. [2021-12-17 22:57:37,720 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7461035696329814 [2021-12-17 22:57:37,720 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1484 transitions. [2021-12-17 22:57:37,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1484 transitions. [2021-12-17 22:57:37,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:37,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1484 transitions. [2021-12-17 22:57:37,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.15384615384616) internal successors, (1484), 13 states have internal predecessors, (1484), 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) [2021-12-17 22:57:37,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 153.0) internal successors, (2142), 14 states have internal predecessors, (2142), 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) [2021-12-17 22:57:37,727 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 153.0) internal successors, (2142), 14 states have internal predecessors, (2142), 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) [2021-12-17 22:57:37,727 INFO L186 Difference]: Start difference. First operand has 161 places, 132 transitions, 334 flow. Second operand 13 states and 1484 transitions. [2021-12-17 22:57:37,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 214 transitions, 861 flow [2021-12-17 22:57:37,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 214 transitions, 798 flow, removed 24 selfloop flow, removed 14 redundant places. [2021-12-17 22:57:37,735 INFO L242 Difference]: Finished difference. Result has 152 places, 145 transitions, 402 flow [2021-12-17 22:57:37,736 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=402, PETRI_PLACES=152, PETRI_TRANSITIONS=145} [2021-12-17 22:57:37,738 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 15 predicate places. [2021-12-17 22:57:37,738 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 145 transitions, 402 flow [2021-12-17 22:57:37,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 108.94444444444444) internal successors, (1961), 18 states have internal predecessors, (1961), 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) [2021-12-17 22:57:37,738 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:37,739 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:37,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 22:57:37,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-17 22:57:37,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:37,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:37,955 INFO L85 PathProgramCache]: Analyzing trace with hash 938398054, now seen corresponding path program 2 times [2021-12-17 22:57:37,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:37,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547053766] [2021-12-17 22:57:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:37,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:38,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:38,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547053766] [2021-12-17 22:57:38,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547053766] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:38,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407888587] [2021-12-17 22:57:38,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 22:57:38,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:38,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:38,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:38,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 22:57:38,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 22:57:38,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:57:38,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 22:57:38,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:38,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:38,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407888587] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:57:38,493 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:57:38,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2021-12-17 22:57:38,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116644611] [2021-12-17 22:57:38,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:57:38,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-17 22:57:38,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:38,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-17 22:57:38,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-12-17 22:57:38,495 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-17 22:57:38,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 145 transitions, 402 flow. Second operand has 15 states, 15 states have (on average 106.93333333333334) internal successors, (1604), 15 states have internal predecessors, (1604), 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) [2021-12-17 22:57:38,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:38,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-17 22:57:38,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:39,594 INFO L129 PetriNetUnfolder]: 3557/6411 cut-off events. [2021-12-17 22:57:39,594 INFO L130 PetriNetUnfolder]: For 3000/3048 co-relation queries the response was YES. [2021-12-17 22:57:39,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16048 conditions, 6411 events. 3557/6411 cut-off events. For 3000/3048 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 45480 event pairs, 315 based on Foata normal form. 14/6080 useless extension candidates. Maximal degree in co-relation 16036. Up to 663 conditions per place. [2021-12-17 22:57:39,631 INFO L132 encePairwiseOnDemand]: 137/153 looper letters, 209 selfloop transitions, 104 changer transitions 0/399 dead transitions. [2021-12-17 22:57:39,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 399 transitions, 1942 flow [2021-12-17 22:57:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-17 22:57:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-17 22:57:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2716 transitions. [2021-12-17 22:57:39,636 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7396514161220044 [2021-12-17 22:57:39,636 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2716 transitions. [2021-12-17 22:57:39,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2716 transitions. [2021-12-17 22:57:39,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:39,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2716 transitions. [2021-12-17 22:57:39,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 113.16666666666667) internal successors, (2716), 24 states have internal predecessors, (2716), 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) [2021-12-17 22:57:39,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 153.0) internal successors, (3825), 25 states have internal predecessors, (3825), 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) [2021-12-17 22:57:39,646 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 153.0) internal successors, (3825), 25 states have internal predecessors, (3825), 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) [2021-12-17 22:57:39,646 INFO L186 Difference]: Start difference. First operand has 152 places, 145 transitions, 402 flow. Second operand 24 states and 2716 transitions. [2021-12-17 22:57:39,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 399 transitions, 1942 flow [2021-12-17 22:57:39,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 399 transitions, 1935 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-17 22:57:39,661 INFO L242 Difference]: Finished difference. Result has 189 places, 235 transitions, 1229 flow [2021-12-17 22:57:39,661 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1229, PETRI_PLACES=189, PETRI_TRANSITIONS=235} [2021-12-17 22:57:39,662 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 52 predicate places. [2021-12-17 22:57:39,662 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 235 transitions, 1229 flow [2021-12-17 22:57:39,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 106.93333333333334) internal successors, (1604), 15 states have internal predecessors, (1604), 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) [2021-12-17 22:57:39,663 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:39,663 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:39,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-17 22:57:39,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-17 22:57:39,880 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:39,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:39,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1306064334, now seen corresponding path program 3 times [2021-12-17 22:57:39,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:39,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12996945] [2021-12-17 22:57:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:39,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:39,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:39,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12996945] [2021-12-17 22:57:39,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12996945] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:39,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623165150] [2021-12-17 22:57:39,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-17 22:57:39,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:39,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:39,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:39,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 22:57:40,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-17 22:57:40,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:57:40,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 22:57:40,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:40,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:40,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623165150] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:57:40,398 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:57:40,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2021-12-17 22:57:40,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671677006] [2021-12-17 22:57:40,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:57:40,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-17 22:57:40,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:40,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-17 22:57:40,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-12-17 22:57:40,401 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-17 22:57:40,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 235 transitions, 1229 flow. Second operand has 16 states, 16 states have (on average 106.6875) internal successors, (1707), 16 states have internal predecessors, (1707), 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) [2021-12-17 22:57:40,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:40,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-17 22:57:40,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:42,544 INFO L129 PetriNetUnfolder]: 5294/9437 cut-off events. [2021-12-17 22:57:42,545 INFO L130 PetriNetUnfolder]: For 37925/37964 co-relation queries the response was YES. [2021-12-17 22:57:42,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35282 conditions, 9437 events. 5294/9437 cut-off events. For 37925/37964 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 71285 event pairs, 345 based on Foata normal form. 54/9447 useless extension candidates. Maximal degree in co-relation 35252. Up to 1067 conditions per place. [2021-12-17 22:57:42,644 INFO L132 encePairwiseOnDemand]: 136/153 looper letters, 266 selfloop transitions, 245 changer transitions 0/597 dead transitions. [2021-12-17 22:57:42,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 597 transitions, 4509 flow [2021-12-17 22:57:42,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-17 22:57:42,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-12-17 22:57:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2984 transitions. [2021-12-17 22:57:42,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7501256913021619 [2021-12-17 22:57:42,654 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2984 transitions. [2021-12-17 22:57:42,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2984 transitions. [2021-12-17 22:57:42,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:42,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2984 transitions. [2021-12-17 22:57:42,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 114.76923076923077) internal successors, (2984), 26 states have internal predecessors, (2984), 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) [2021-12-17 22:57:42,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 153.0) internal successors, (4131), 27 states have internal predecessors, (4131), 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) [2021-12-17 22:57:42,666 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 153.0) internal successors, (4131), 27 states have internal predecessors, (4131), 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) [2021-12-17 22:57:42,666 INFO L186 Difference]: Start difference. First operand has 189 places, 235 transitions, 1229 flow. Second operand 26 states and 2984 transitions. [2021-12-17 22:57:42,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 597 transitions, 4509 flow [2021-12-17 22:57:42,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 597 transitions, 4448 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-12-17 22:57:42,824 INFO L242 Difference]: Finished difference. Result has 225 places, 391 transitions, 3257 flow [2021-12-17 22:57:42,825 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=1200, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3257, PETRI_PLACES=225, PETRI_TRANSITIONS=391} [2021-12-17 22:57:42,826 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 88 predicate places. [2021-12-17 22:57:42,826 INFO L470 AbstractCegarLoop]: Abstraction has has 225 places, 391 transitions, 3257 flow [2021-12-17 22:57:42,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 106.6875) internal successors, (1707), 16 states have internal predecessors, (1707), 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) [2021-12-17 22:57:42,827 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:42,827 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:42,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 22:57:43,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:43,044 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:43,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash -89612040, now seen corresponding path program 4 times [2021-12-17 22:57:43,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:43,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089269916] [2021-12-17 22:57:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:43,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:43,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:43,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089269916] [2021-12-17 22:57:43,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089269916] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:43,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447183239] [2021-12-17 22:57:43,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-17 22:57:43,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:43,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:43,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:43,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 22:57:43,204 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-17 22:57:43,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:57:43,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 22:57:43,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:43,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:43,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447183239] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:43,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 22:57:43,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2021-12-17 22:57:43,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525941647] [2021-12-17 22:57:43,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:43,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:57:43,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:43,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:57:43,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2021-12-17 22:57:43,896 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-12-17 22:57:43,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 391 transitions, 3257 flow. Second operand has 9 states, 9 states have (on average 109.33333333333333) internal successors, (984), 9 states have internal predecessors, (984), 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) [2021-12-17 22:57:43,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:43,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-12-17 22:57:43,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:45,382 INFO L129 PetriNetUnfolder]: 4186/7877 cut-off events. [2021-12-17 22:57:45,382 INFO L130 PetriNetUnfolder]: For 42211/42430 co-relation queries the response was YES. [2021-12-17 22:57:45,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33131 conditions, 7877 events. 4186/7877 cut-off events. For 42211/42430 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 62050 event pairs, 480 based on Foata normal form. 30/7855 useless extension candidates. Maximal degree in co-relation 33085. Up to 3209 conditions per place. [2021-12-17 22:57:45,458 INFO L132 encePairwiseOnDemand]: 140/153 looper letters, 178 selfloop transitions, 118 changer transitions 0/456 dead transitions. [2021-12-17 22:57:45,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 456 transitions, 4344 flow [2021-12-17 22:57:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 22:57:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-17 22:57:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1149 transitions. [2021-12-17 22:57:45,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7509803921568627 [2021-12-17 22:57:45,460 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1149 transitions. [2021-12-17 22:57:45,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1149 transitions. [2021-12-17 22:57:45,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:45,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1149 transitions. [2021-12-17 22:57:45,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 114.9) internal successors, (1149), 10 states have internal predecessors, (1149), 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) [2021-12-17 22:57:45,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 153.0) internal successors, (1683), 11 states have internal predecessors, (1683), 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) [2021-12-17 22:57:45,464 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 153.0) internal successors, (1683), 11 states have internal predecessors, (1683), 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) [2021-12-17 22:57:45,464 INFO L186 Difference]: Start difference. First operand has 225 places, 391 transitions, 3257 flow. Second operand 10 states and 1149 transitions. [2021-12-17 22:57:45,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 456 transitions, 4344 flow [2021-12-17 22:57:45,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 456 transitions, 4218 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-12-17 22:57:45,679 INFO L242 Difference]: Finished difference. Result has 230 places, 402 transitions, 3685 flow [2021-12-17 22:57:45,679 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=3145, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3685, PETRI_PLACES=230, PETRI_TRANSITIONS=402} [2021-12-17 22:57:45,680 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 93 predicate places. [2021-12-17 22:57:45,680 INFO L470 AbstractCegarLoop]: Abstraction has has 230 places, 402 transitions, 3685 flow [2021-12-17 22:57:45,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 109.33333333333333) internal successors, (984), 9 states have internal predecessors, (984), 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) [2021-12-17 22:57:45,681 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:45,681 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:45,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 22:57:45,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:45,897 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:45,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash -100937118, now seen corresponding path program 5 times [2021-12-17 22:57:45,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:45,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947807822] [2021-12-17 22:57:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:45,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:45,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:45,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947807822] [2021-12-17 22:57:45,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947807822] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:45,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922496548] [2021-12-17 22:57:45,996 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-17 22:57:45,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:45,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:46,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:46,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 22:57:46,084 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 22:57:46,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:57:46,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 22:57:46,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:46,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:46,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922496548] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:57:46,449 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:57:46,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2021-12-17 22:57:46,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944372475] [2021-12-17 22:57:46,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:57:46,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-17 22:57:46,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:46,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-17 22:57:46,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-12-17 22:57:46,451 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-17 22:57:46,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 402 transitions, 3685 flow. Second operand has 17 states, 17 states have (on average 106.47058823529412) internal successors, (1810), 17 states have internal predecessors, (1810), 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) [2021-12-17 22:57:46,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:46,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-17 22:57:46,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:48,704 INFO L129 PetriNetUnfolder]: 6070/10986 cut-off events. [2021-12-17 22:57:48,704 INFO L130 PetriNetUnfolder]: For 70712/71033 co-relation queries the response was YES. [2021-12-17 22:57:48,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48506 conditions, 10986 events. 6070/10986 cut-off events. For 70712/71033 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 86469 event pairs, 720 based on Foata normal form. 44/10959 useless extension candidates. Maximal degree in co-relation 48457. Up to 1214 conditions per place. [2021-12-17 22:57:48,893 INFO L132 encePairwiseOnDemand]: 137/153 looper letters, 275 selfloop transitions, 258 changer transitions 0/619 dead transitions. [2021-12-17 22:57:48,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 619 transitions, 6254 flow [2021-12-17 22:57:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-17 22:57:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-17 22:57:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2757 transitions. [2021-12-17 22:57:48,896 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7508169934640523 [2021-12-17 22:57:48,896 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2757 transitions. [2021-12-17 22:57:48,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2757 transitions. [2021-12-17 22:57:48,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:48,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2757 transitions. [2021-12-17 22:57:48,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 114.875) internal successors, (2757), 24 states have internal predecessors, (2757), 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) [2021-12-17 22:57:48,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 153.0) internal successors, (3825), 25 states have internal predecessors, (3825), 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) [2021-12-17 22:57:48,905 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 153.0) internal successors, (3825), 25 states have internal predecessors, (3825), 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) [2021-12-17 22:57:48,905 INFO L186 Difference]: Start difference. First operand has 230 places, 402 transitions, 3685 flow. Second operand 24 states and 2757 transitions. [2021-12-17 22:57:48,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 619 transitions, 6254 flow [2021-12-17 22:57:49,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 619 transitions, 6151 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-12-17 22:57:49,285 INFO L242 Difference]: Finished difference. Result has 258 places, 437 transitions, 4803 flow [2021-12-17 22:57:49,286 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=3574, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=4803, PETRI_PLACES=258, PETRI_TRANSITIONS=437} [2021-12-17 22:57:49,286 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 121 predicate places. [2021-12-17 22:57:49,286 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 437 transitions, 4803 flow [2021-12-17 22:57:49,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 106.47058823529412) internal successors, (1810), 17 states have internal predecessors, (1810), 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) [2021-12-17 22:57:49,287 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:49,287 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:49,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 22:57:49,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 22:57:49,489 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash 341809990, now seen corresponding path program 6 times [2021-12-17 22:57:49,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:49,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975320289] [2021-12-17 22:57:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:49,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:49,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:49,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975320289] [2021-12-17 22:57:49,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975320289] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:49,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570111036] [2021-12-17 22:57:49,563 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-17 22:57:49,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:49,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:49,564 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:49,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 22:57:49,641 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-12-17 22:57:49,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:57:49,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 22:57:49,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:49,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:50,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570111036] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:50,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 22:57:50,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 20 [2021-12-17 22:57:50,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369919484] [2021-12-17 22:57:50,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:50,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:57:50,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:50,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:57:50,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-12-17 22:57:50,093 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-12-17 22:57:50,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 437 transitions, 4803 flow. Second operand has 9 states, 9 states have (on average 109.33333333333333) internal successors, (984), 9 states have internal predecessors, (984), 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) [2021-12-17 22:57:50,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:50,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-12-17 22:57:50,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:51,537 INFO L129 PetriNetUnfolder]: 4665/8660 cut-off events. [2021-12-17 22:57:51,537 INFO L130 PetriNetUnfolder]: For 65877/66133 co-relation queries the response was YES. [2021-12-17 22:57:51,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40742 conditions, 8660 events. 4665/8660 cut-off events. For 65877/66133 co-relation queries the response was YES. Maximal size of possible extension queue 506. Compared 68757 event pairs, 478 based on Foata normal form. 19/8612 useless extension candidates. Maximal degree in co-relation 40683. Up to 2921 conditions per place. [2021-12-17 22:57:51,648 INFO L132 encePairwiseOnDemand]: 141/153 looper letters, 149 selfloop transitions, 165 changer transitions 0/480 dead transitions. [2021-12-17 22:57:51,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 480 transitions, 5723 flow [2021-12-17 22:57:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 22:57:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-17 22:57:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1145 transitions. [2021-12-17 22:57:51,650 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7483660130718954 [2021-12-17 22:57:51,650 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1145 transitions. [2021-12-17 22:57:51,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1145 transitions. [2021-12-17 22:57:51,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:51,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1145 transitions. [2021-12-17 22:57:51,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 114.5) internal successors, (1145), 10 states have internal predecessors, (1145), 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) [2021-12-17 22:57:51,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 153.0) internal successors, (1683), 11 states have internal predecessors, (1683), 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) [2021-12-17 22:57:51,654 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 153.0) internal successors, (1683), 11 states have internal predecessors, (1683), 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) [2021-12-17 22:57:51,654 INFO L186 Difference]: Start difference. First operand has 258 places, 437 transitions, 4803 flow. Second operand 10 states and 1145 transitions. [2021-12-17 22:57:51,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 480 transitions, 5723 flow [2021-12-17 22:57:52,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 480 transitions, 5548 flow, removed 41 selfloop flow, removed 7 redundant places. [2021-12-17 22:57:52,070 INFO L242 Difference]: Finished difference. Result has 263 places, 441 transitions, 5258 flow [2021-12-17 22:57:52,070 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=4632, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5258, PETRI_PLACES=263, PETRI_TRANSITIONS=441} [2021-12-17 22:57:52,071 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 126 predicate places. [2021-12-17 22:57:52,071 INFO L470 AbstractCegarLoop]: Abstraction has has 263 places, 441 transitions, 5258 flow [2021-12-17 22:57:52,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 109.33333333333333) internal successors, (984), 9 states have internal predecessors, (984), 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) [2021-12-17 22:57:52,071 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:52,071 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:52,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 22:57:52,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:52,280 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:52,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:52,280 INFO L85 PathProgramCache]: Analyzing trace with hash 603612820, now seen corresponding path program 1 times [2021-12-17 22:57:52,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:52,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52516106] [2021-12-17 22:57:52,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:52,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:52,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:52,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52516106] [2021-12-17 22:57:52,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52516106] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:52,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752220541] [2021-12-17 22:57:52,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:52,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:52,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:52,352 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:52,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 22:57:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:52,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 22:57:52,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:52,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:52,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752220541] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:52,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 22:57:52,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-12-17 22:57:52,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000192670] [2021-12-17 22:57:52,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:57:52,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:57:52,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:52,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:57:52,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-17 22:57:52,902 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-12-17 22:57:52,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 441 transitions, 5258 flow. Second operand has 7 states, 7 states have (on average 116.71428571428571) internal successors, (817), 7 states have internal predecessors, (817), 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) [2021-12-17 22:57:52,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:52,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-12-17 22:57:52,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:53,671 INFO L129 PetriNetUnfolder]: 2244/5023 cut-off events. [2021-12-17 22:57:53,672 INFO L130 PetriNetUnfolder]: For 55275/56346 co-relation queries the response was YES. [2021-12-17 22:57:53,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24173 conditions, 5023 events. 2244/5023 cut-off events. For 55275/56346 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 40992 event pairs, 624 based on Foata normal form. 318/5157 useless extension candidates. Maximal degree in co-relation 24113. Up to 1581 conditions per place. [2021-12-17 22:57:53,731 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 169 selfloop transitions, 84 changer transitions 0/495 dead transitions. [2021-12-17 22:57:53,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 495 transitions, 6573 flow [2021-12-17 22:57:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 22:57:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-17 22:57:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 831 transitions. [2021-12-17 22:57:53,733 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7759103641456583 [2021-12-17 22:57:53,733 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 831 transitions. [2021-12-17 22:57:53,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 831 transitions. [2021-12-17 22:57:53,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:57:53,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 831 transitions. [2021-12-17 22:57:53,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.71428571428571) internal successors, (831), 7 states have internal predecessors, (831), 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) [2021-12-17 22:57:53,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 153.0) internal successors, (1224), 8 states have internal predecessors, (1224), 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) [2021-12-17 22:57:53,736 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 153.0) internal successors, (1224), 8 states have internal predecessors, (1224), 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) [2021-12-17 22:57:53,736 INFO L186 Difference]: Start difference. First operand has 263 places, 441 transitions, 5258 flow. Second operand 7 states and 831 transitions. [2021-12-17 22:57:53,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 495 transitions, 6573 flow [2021-12-17 22:57:53,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 495 transitions, 6190 flow, removed 59 selfloop flow, removed 12 redundant places. [2021-12-17 22:57:53,935 INFO L242 Difference]: Finished difference. Result has 258 places, 441 transitions, 5186 flow [2021-12-17 22:57:53,936 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=4933, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5186, PETRI_PLACES=258, PETRI_TRANSITIONS=441} [2021-12-17 22:57:53,936 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 121 predicate places. [2021-12-17 22:57:53,936 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 441 transitions, 5186 flow [2021-12-17 22:57:53,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 116.71428571428571) internal successors, (817), 7 states have internal predecessors, (817), 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) [2021-12-17 22:57:53,937 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:57:53,937 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:57:53,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-17 22:57:54,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:54,152 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:57:54,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:57:54,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1712583142, now seen corresponding path program 1 times [2021-12-17 22:57:54,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:57:54,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027949025] [2021-12-17 22:57:54,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:54,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:57:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:54,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:57:54,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027949025] [2021-12-17 22:57:54,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027949025] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:57:54,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186340924] [2021-12-17 22:57:54,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:57:54,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:57:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:57:54,682 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:57:54,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-17 22:57:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:57:54,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 62 conjunts are in the unsatisfiable core [2021-12-17 22:57:54,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:57:55,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-17 22:57:55,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-17 22:57:55,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-17 22:57:55,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-17 22:57:55,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-17 22:57:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:57:55,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:57:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:57:56,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186340924] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:57:56,144 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:57:56,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 9] total 39 [2021-12-17 22:57:56,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936063955] [2021-12-17 22:57:56,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:57:56,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-12-17 22:57:56,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:57:56,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-12-17 22:57:56,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1301, Unknown=0, NotChecked=0, Total=1482 [2021-12-17 22:57:56,147 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 153 [2021-12-17 22:57:56,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 441 transitions, 5186 flow. Second operand has 39 states, 39 states have (on average 69.02564102564102) internal successors, (2692), 39 states have internal predecessors, (2692), 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) [2021-12-17 22:57:56,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:57:56,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 153 [2021-12-17 22:57:56,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:57:59,781 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L68-->L70: Formula: (let ((.cse0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1|))) (and (= |v_thread3Thread1of1ForFork1_plus_#res#1_1| .cse0) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| v_~res2~0_58) (= v_~res2~0_57 |v_thread3Thread1of1ForFork1_plus_#res#1_1|) (= |v_thread3Thread1of1ForFork1_plus_#in~b#1_1| (select (select |v_#memory_int_51| v_~A~0.base_40) (+ v_~A~0.offset_40 (* |v_thread3Thread1of1ForFork1_~i~2#1_7| 4)))) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|) (not (= 0 |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|)) (= |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_#in~a#1_1|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread3Thread1of1ForFork1_plus_~b#1_1| 0) (<= .cse0 2147483647)) 1 0)) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483647) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483648)) (= |v_thread3Thread1of1ForFork1_plus_~b#1_1| |v_thread3Thread1of1ForFork1_plus_#in~b#1_1|) (not (= 0 (ite (or (<= 0 |v_thread3Thread1of1ForFork1_plus_~b#1_1|) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1| 2147483648))) 1 0))))) InVars {#memory_int=|v_#memory_int_51|, ~A~0.base=v_~A~0.base_40, ~A~0.offset=v_~A~0.offset_40, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_7|, ~res2~0=v_~res2~0_58} OutVars{thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|, ~A~0.base=v_~A~0.base_40, thread3Thread1of1ForFork1_#t~ret9#1=|v_thread3Thread1of1ForFork1_#t~ret9#1_1|, thread3Thread1of1ForFork1_plus_#res#1=|v_thread3Thread1of1ForFork1_plus_#res#1_1|, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|, thread3Thread1of1ForFork1_plus_#in~a#1=|v_thread3Thread1of1ForFork1_plus_#in~a#1_1|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_7|, thread3Thread1of1ForFork1_plus_~a#1=|v_thread3Thread1of1ForFork1_plus_~a#1_1|, ~A~0.offset=v_~A~0.offset_40, thread3Thread1of1ForFork1_plus_#in~b#1=|v_thread3Thread1of1ForFork1_plus_#in~b#1_1|, #memory_int=|v_#memory_int_51|, thread3Thread1of1ForFork1_plus_~b#1=|v_thread3Thread1of1ForFork1_plus_~b#1_1|, thread3Thread1of1ForFork1_#t~mem8#1=|v_thread3Thread1of1ForFork1_#t~mem8#1_1|, ~res2~0=v_~res2~0_57} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork1_plus_~a#1, thread3Thread1of1ForFork1_#t~ret9#1, thread3Thread1of1ForFork1_plus_#res#1, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork1_plus_#in~b#1, thread3Thread1of1ForFork1_plus_#in~a#1, thread3Thread1of1ForFork1_plus_~b#1, thread3Thread1of1ForFork1_#t~mem8#1, ~res2~0][369], [154#true, 18#L57-2true, 984#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 164#(and (= ~res1~0 ~res2~0) (= 0 ~res1~0)), Black: 4775#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 4777#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 97#L70true, Black: 4773#(and (<= 1 ~N~0) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 4038#(and (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~M~0 ~N~0)) (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 183#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 4030#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 157#true, Black: 3267#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 4018#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3269#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 3998#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4034#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3996#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4032#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4028#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1733#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1725#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1713#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 2519#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 982#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~M~0 0)), Black: 1719#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, 4788#(<= 1 ~N~0), 2511#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0))]) [2021-12-17 22:57:59,784 INFO L384 tUnfolder$Statistics]: this new event has 112 ancestors and is cut-off event [2021-12-17 22:57:59,785 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-17 22:57:59,785 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-17 22:57:59,785 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-17 22:57:59,822 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L68-->L70: Formula: (let ((.cse0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1|))) (and (= |v_thread3Thread1of1ForFork1_plus_#res#1_1| .cse0) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| v_~res2~0_58) (= v_~res2~0_57 |v_thread3Thread1of1ForFork1_plus_#res#1_1|) (= |v_thread3Thread1of1ForFork1_plus_#in~b#1_1| (select (select |v_#memory_int_51| v_~A~0.base_40) (+ v_~A~0.offset_40 (* |v_thread3Thread1of1ForFork1_~i~2#1_7| 4)))) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|) (not (= 0 |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|)) (= |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_#in~a#1_1|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread3Thread1of1ForFork1_plus_~b#1_1| 0) (<= .cse0 2147483647)) 1 0)) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483647) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483648)) (= |v_thread3Thread1of1ForFork1_plus_~b#1_1| |v_thread3Thread1of1ForFork1_plus_#in~b#1_1|) (not (= 0 (ite (or (<= 0 |v_thread3Thread1of1ForFork1_plus_~b#1_1|) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1| 2147483648))) 1 0))))) InVars {#memory_int=|v_#memory_int_51|, ~A~0.base=v_~A~0.base_40, ~A~0.offset=v_~A~0.offset_40, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_7|, ~res2~0=v_~res2~0_58} OutVars{thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|, ~A~0.base=v_~A~0.base_40, thread3Thread1of1ForFork1_#t~ret9#1=|v_thread3Thread1of1ForFork1_#t~ret9#1_1|, thread3Thread1of1ForFork1_plus_#res#1=|v_thread3Thread1of1ForFork1_plus_#res#1_1|, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|, thread3Thread1of1ForFork1_plus_#in~a#1=|v_thread3Thread1of1ForFork1_plus_#in~a#1_1|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_7|, thread3Thread1of1ForFork1_plus_~a#1=|v_thread3Thread1of1ForFork1_plus_~a#1_1|, ~A~0.offset=v_~A~0.offset_40, thread3Thread1of1ForFork1_plus_#in~b#1=|v_thread3Thread1of1ForFork1_plus_#in~b#1_1|, #memory_int=|v_#memory_int_51|, thread3Thread1of1ForFork1_plus_~b#1=|v_thread3Thread1of1ForFork1_plus_~b#1_1|, thread3Thread1of1ForFork1_#t~mem8#1=|v_thread3Thread1of1ForFork1_#t~mem8#1_1|, ~res2~0=v_~res2~0_57} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork1_plus_~a#1, thread3Thread1of1ForFork1_#t~ret9#1, thread3Thread1of1ForFork1_plus_#res#1, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork1_plus_#in~b#1, 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new event has 114 ancestors and is cut-off event [2021-12-17 22:57:59,823 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-17 22:57:59,823 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-17 22:57:59,823 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-17 22:57:59,824 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([574] L57-2-->L57-3: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_11| (+ |v_thread2Thread1of1ForFork0_#t~post4#1_3| 1)) InVars {thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_3|} OutVars{thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_3|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_11|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1][855], [154#true, 4773#(and (<= 1 ~N~0) (or (< 0 ~M~0) (< 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2517#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1711#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1735#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2509#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2488#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2523#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, 4788#(<= 1 ~N~0), 2511#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0))]) [2021-12-17 22:57:59,824 INFO L384 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2021-12-17 22:57:59,824 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-17 22:57:59,824 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-17 22:57:59,824 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-17 22:57:59,892 INFO L129 PetriNetUnfolder]: 9632/17770 cut-off events. [2021-12-17 22:57:59,893 INFO L130 PetriNetUnfolder]: For 157804/159033 co-relation queries the response was YES. [2021-12-17 22:58:00,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81273 conditions, 17770 events. 9632/17770 cut-off events. For 157804/159033 co-relation queries the response was YES. Maximal size of possible extension queue 1006. Compared 155473 event pairs, 1407 based on Foata normal form. 251/17598 useless extension candidates. Maximal degree in co-relation 81218. Up to 8445 conditions per place. [2021-12-17 22:58:00,445 INFO L132 encePairwiseOnDemand]: 127/153 looper letters, 569 selfloop transitions, 173 changer transitions 4/902 dead transitions. [2021-12-17 22:58:00,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 902 transitions, 12522 flow [2021-12-17 22:58:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-17 22:58:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-12-17 22:58:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2034 transitions. [2021-12-17 22:58:00,449 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.47478991596638653 [2021-12-17 22:58:00,449 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2034 transitions. [2021-12-17 22:58:00,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2034 transitions. [2021-12-17 22:58:00,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:58:00,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2034 transitions. [2021-12-17 22:58:00,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 72.64285714285714) internal successors, (2034), 28 states have internal predecessors, (2034), 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) [2021-12-17 22:58:00,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 153.0) internal successors, (4437), 29 states have internal predecessors, (4437), 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) [2021-12-17 22:58:00,457 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 153.0) internal successors, (4437), 29 states have internal predecessors, (4437), 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) [2021-12-17 22:58:00,457 INFO L186 Difference]: Start difference. First operand has 258 places, 441 transitions, 5186 flow. Second operand 28 states and 2034 transitions. [2021-12-17 22:58:00,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 902 transitions, 12522 flow [2021-12-17 22:58:01,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 902 transitions, 12337 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-12-17 22:58:01,888 INFO L242 Difference]: Finished difference. Result has 292 places, 595 transitions, 8075 flow [2021-12-17 22:58:01,889 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=5097, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=8075, PETRI_PLACES=292, PETRI_TRANSITIONS=595} [2021-12-17 22:58:01,889 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 155 predicate places. [2021-12-17 22:58:01,890 INFO L470 AbstractCegarLoop]: Abstraction has has 292 places, 595 transitions, 8075 flow [2021-12-17 22:58:01,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 69.02564102564102) internal successors, (2692), 39 states have internal predecessors, (2692), 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) [2021-12-17 22:58:01,891 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:58:01,891 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:58:01,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-17 22:58:02,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-17 22:58:02,103 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:58:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:58:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1343336622, now seen corresponding path program 1 times [2021-12-17 22:58:02,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:58:02,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244924184] [2021-12-17 22:58:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:58:02,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:58:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:58:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:58:02,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:58:02,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244924184] [2021-12-17 22:58:02,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244924184] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:58:02,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548016065] [2021-12-17 22:58:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:58:02,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:58:02,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:58:02,738 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:58:02,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-17 22:58:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:58:02,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 73 conjunts are in the unsatisfiable core [2021-12-17 22:58:02,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:58:03,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-17 22:58:04,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-17 22:58:04,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-17 22:58:04,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-17 22:58:04,520 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:04,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-12-17 22:58:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:58:04,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:58:05,279 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_368 (Array Int Int))) (or (<= c_~N~0 ~M~0) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) c_~A~0.base))) (= (+ c_~res1~0 (select .cse0 c_~A~0.offset)) (+ c_~res2~0 (select .cse0 (+ c_~A~0.offset (* ~M~0 4)))))) (<= (+ ~M~0 2) c_~N~0))) is different from false [2021-12-17 22:58:05,377 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) c_~A~0.base))) (= (+ c_~res1~0 (select .cse0 c_~A~0.offset)) (+ c_~res2~0 (select .cse0 (+ c_~A~0.offset (* ~M~0 4)))))) (<= c_~N~0 ~M~0) (<= (+ ~M~0 2) c_~N~0))) is different from false [2021-12-17 22:58:05,463 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_366 (Array Int Int)) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_366) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) c_~A~0.base))) (= (+ c_~res1~0 (select .cse0 c_~A~0.offset)) (+ c_~res2~0 (select .cse0 (+ c_~A~0.offset (* ~M~0 4)))))) (<= c_~N~0 ~M~0) (<= (+ ~M~0 2) c_~N~0))) is different from false [2021-12-17 22:58:05,592 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_366 (Array Int Int)) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (<= c_~N~0 ~M~0) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_366) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (= (+ (select .cse0 |c_ULTIMATE.start_main_#t~ret12#1.offset|) c_~res1~0) (+ c_~res2~0 (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4)))))) (<= (+ ~M~0 2) c_~N~0))) is different from false [2021-12-17 22:58:05,618 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_366 (Array Int Int)) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (<= c_~N~0 ~M~0) (<= (+ ~M~0 2) c_~N~0) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_366) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (+ c_~res1~0 (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ c_~res2~0 (select .cse0 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))))) is different from false [2021-12-17 22:58:05,633 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_366 (Array Int Int)) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_366) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (+ c_~res1~0 (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ c_~res2~0 (select .cse0 (+ |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (* ~M~0 4)))))) (<= c_~N~0 ~M~0) (<= (+ ~M~0 2) c_~N~0))) is different from false [2021-12-17 22:58:05,858 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:05,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 50 [2021-12-17 22:58:05,867 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:05,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 398 treesize of output 386 [2021-12-17 22:58:05,878 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:05,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 374 treesize of output 322 [2021-12-17 22:58:05,889 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:05,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 152 [2021-12-17 22:58:05,899 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:05,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 294 treesize of output 274 [2021-12-17 22:58:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:58:07,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548016065] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:58:07,056 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:58:07,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 27] total 69 [2021-12-17 22:58:07,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079450590] [2021-12-17 22:58:07,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:58:07,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-12-17 22:58:07,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:58:07,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-12-17 22:58:07,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=548, Invalid=3374, Unknown=8, NotChecked=762, Total=4692 [2021-12-17 22:58:07,061 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 153 [2021-12-17 22:58:07,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 595 transitions, 8075 flow. Second operand has 69 states, 69 states have (on average 64.6376811594203) internal successors, (4460), 69 states have internal predecessors, (4460), 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) [2021-12-17 22:58:07,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:58:07,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 153 [2021-12-17 22:58:07,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:58:11,096 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([571] L58-->L60: Formula: (let ((.cse0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1|))) (and (<= 0 (+ v_~res2~0_51 2147483648)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread2Thread1of1ForFork0_plus_~b#1_1| 0) (<= .cse0 2147483647)) 1 0)) (= |v_thread2Thread1of1ForFork0_plus_#res#1_1| .cse0) (= |v_thread2Thread1of1ForFork0_plus_#in~b#1_1| (select (select |v_#memory_int_43| v_~A~0.base_32) (+ v_~A~0.offset_32 (* |v_thread2Thread1of1ForFork0_~i~1#1_7| 4)))) (not (= 0 |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_#in~b#1_1|) (<= v_~res2~0_51 2147483647) (= |v_thread2Thread1of1ForFork0_plus_#in~a#1_1| v_~res2~0_52) (not (= 0 (ite (or (<= 0 |v_thread2Thread1of1ForFork0_plus_~b#1_1|) (<= 0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1| 2147483648))) 1 0))) (= |v_thread2Thread1of1ForFork0_plus_~a#1_1| |v_thread2Thread1of1ForFork0_plus_#in~a#1_1|) (= v_~res2~0_51 |v_thread2Thread1of1ForFork0_plus_#res#1_1|))) InVars {#memory_int=|v_#memory_int_43|, ~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, ~A~0.offset=v_~A~0.offset_32, ~res2~0=v_~res2~0_52} OutVars{~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_plus_#in~a#1=|v_thread2Thread1of1ForFork0_plus_#in~a#1_1|, thread2Thread1of1ForFork0_plus_~a#1=|v_thread2Thread1of1ForFork0_plus_~a#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork0_plus_#in~b#1=|v_thread2Thread1of1ForFork0_plus_#in~b#1_1|, ~A~0.offset=v_~A~0.offset_32, thread2Thread1of1ForFork0_plus_~b#1=|v_thread2Thread1of1ForFork0_plus_~b#1_1|, thread2Thread1of1ForFork0_plus_#res#1=|v_thread2Thread1of1ForFork0_plus_#res#1_1|, #memory_int=|v_#memory_int_43|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~res2~0=v_~res2~0_51, thread2Thread1of1ForFork0_#t~ret6#1=|v_thread2Thread1of1ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_plus_#in~b#1, thread2Thread1of1ForFork0_plus_~b#1, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, ~res2~0, thread2Thread1of1ForFork0_#t~ret6#1][163], [154#true, 118#L50true, 2527#(and (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~M~0 ~N~0)) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 46#L60true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), 1735#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6298#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 6282#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= ~res2~0 0)), Black: 5520#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 6296#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 5519#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4))) ~res1~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 6286#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 6294#(and (= ~res1~0 ~res2~0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 6290#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), 984#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 5518#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), Black: 5517#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), Black: 164#(and (= ~res1~0 ~res2~0) (= 0 ~res1~0)), 117#L89-4true, 4777#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 4775#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 4773#(and (<= 1 ~N~0) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 183#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 4008#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 157#true, Black: 4030#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3267#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 4018#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3269#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 3998#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4034#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3996#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4032#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4028#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 106#L67-2true, Black: 1733#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1725#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 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|thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, Black: 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:11,096 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,096 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,096 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,097 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,097 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([584] L67-2-->L67-3: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_11| (+ |v_thread3Thread1of1ForFork1_#t~post7#1_3| 1)) InVars 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(<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, Black: 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:11,097 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,098 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,098 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,098 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:58:11,392 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([571] L58-->L60: Formula: (let ((.cse0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1|))) (and (<= 0 (+ v_~res2~0_51 2147483648)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread2Thread1of1ForFork0_plus_~b#1_1| 0) (<= .cse0 2147483647)) 1 0)) (= |v_thread2Thread1of1ForFork0_plus_#res#1_1| .cse0) (= |v_thread2Thread1of1ForFork0_plus_#in~b#1_1| (select (select |v_#memory_int_43| v_~A~0.base_32) (+ v_~A~0.offset_32 (* |v_thread2Thread1of1ForFork0_~i~1#1_7| 4)))) (not (= 0 |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_#in~b#1_1|) (<= v_~res2~0_51 2147483647) (= |v_thread2Thread1of1ForFork0_plus_#in~a#1_1| v_~res2~0_52) (not (= 0 (ite (or (<= 0 |v_thread2Thread1of1ForFork0_plus_~b#1_1|) (<= 0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1| 2147483648))) 1 0))) (= |v_thread2Thread1of1ForFork0_plus_~a#1_1| |v_thread2Thread1of1ForFork0_plus_#in~a#1_1|) (= v_~res2~0_51 |v_thread2Thread1of1ForFork0_plus_#res#1_1|))) InVars {#memory_int=|v_#memory_int_43|, ~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, ~A~0.offset=v_~A~0.offset_32, ~res2~0=v_~res2~0_52} OutVars{~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_plus_#in~a#1=|v_thread2Thread1of1ForFork0_plus_#in~a#1_1|, thread2Thread1of1ForFork0_plus_~a#1=|v_thread2Thread1of1ForFork0_plus_~a#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork0_plus_#in~b#1=|v_thread2Thread1of1ForFork0_plus_#in~b#1_1|, ~A~0.offset=v_~A~0.offset_32, thread2Thread1of1ForFork0_plus_~b#1=|v_thread2Thread1of1ForFork0_plus_~b#1_1|, thread2Thread1of1ForFork0_plus_#res#1=|v_thread2Thread1of1ForFork0_plus_#res#1_1|, #memory_int=|v_#memory_int_43|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~res2~0=v_~res2~0_51, thread2Thread1of1ForFork0_#t~ret6#1=|v_thread2Thread1of1ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_plus_#in~b#1, thread2Thread1of1ForFork0_plus_~b#1, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, ~res2~0, thread2Thread1of1ForFork0_#t~ret6#1][163], [154#true, 2527#(and (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~M~0 ~N~0)) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 46#L60true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), 1735#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6298#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 6282#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= ~res2~0 0)), Black: 5520#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 6296#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 5519#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4))) ~res1~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 6286#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 6294#(and (= ~res1~0 ~res2~0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 6290#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), 984#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 5518#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), Black: 5517#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), Black: 164#(and (= ~res1~0 ~res2~0) (= 0 ~res1~0)), 117#L89-4true, 4777#(and (< 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3267#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 4018#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3269#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 3998#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4034#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3996#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4032#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4028#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= 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Black: 1713#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1719#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 982#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~M~0 0)), Black: 978#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~M~0 0)), Black: 1731#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 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L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-17 22:58:11,393 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:58:11,393 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:58:11,393 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:58:11,394 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([584] L67-2-->L67-3: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_11| (+ |v_thread3Thread1of1ForFork1_#t~post7#1_3| 1)) InVars {thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_3|} OutVars{thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_3|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_11|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_~i~2#1][759], [154#true, 147#L58true, Black: 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has 93 ancestors and is cut-off event [2021-12-17 22:58:11,394 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:58:11,394 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:58:11,476 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([564] L47-2-->L47-3: Formula: (= |v_thread1Thread1of1ForFork2_~i~0#1_11| (+ |v_thread1Thread1of1ForFork2_#t~post1#1_3| 1)) InVars {thread1Thread1of1ForFork2_#t~post1#1=|v_thread1Thread1of1ForFork2_#t~post1#1_3|} OutVars{thread1Thread1of1ForFork2_~i~0#1=|v_thread1Thread1of1ForFork2_~i~0#1_11|, thread1Thread1of1ForFork2_#t~post1#1=|v_thread1Thread1of1ForFork2_#t~post1#1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_~i~0#1][751], [154#true, 147#L58true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1719#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 982#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~M~0 0)), Black: 978#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~M~0 0)), Black: 1741#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 970#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1737#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 976#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2501#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 1729#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2503#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 1723#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1745#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (<= 1 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2505#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1727#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2521#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1711#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2517#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 1735#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2509#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2488#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2523#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:11,476 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is not cut-off event [2021-12-17 22:58:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is not cut-off event [2021-12-17 22:58:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is not cut-off event [2021-12-17 22:58:11,477 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is not cut-off event [2021-12-17 22:58:12,003 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([571] L58-->L60: Formula: (let ((.cse0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1|))) (and (<= 0 (+ v_~res2~0_51 2147483648)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread2Thread1of1ForFork0_plus_~b#1_1| 0) (<= .cse0 2147483647)) 1 0)) (= |v_thread2Thread1of1ForFork0_plus_#res#1_1| .cse0) (= |v_thread2Thread1of1ForFork0_plus_#in~b#1_1| (select (select |v_#memory_int_43| v_~A~0.base_32) (+ v_~A~0.offset_32 (* |v_thread2Thread1of1ForFork0_~i~1#1_7| 4)))) (not (= 0 |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_#in~b#1_1|) (<= v_~res2~0_51 2147483647) (= |v_thread2Thread1of1ForFork0_plus_#in~a#1_1| v_~res2~0_52) (not (= 0 (ite (or (<= 0 |v_thread2Thread1of1ForFork0_plus_~b#1_1|) (<= 0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1| 2147483648))) 1 0))) (= |v_thread2Thread1of1ForFork0_plus_~a#1_1| |v_thread2Thread1of1ForFork0_plus_#in~a#1_1|) (= v_~res2~0_51 |v_thread2Thread1of1ForFork0_plus_#res#1_1|))) InVars {#memory_int=|v_#memory_int_43|, ~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, ~A~0.offset=v_~A~0.offset_32, ~res2~0=v_~res2~0_52} OutVars{~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_plus_#in~a#1=|v_thread2Thread1of1ForFork0_plus_#in~a#1_1|, thread2Thread1of1ForFork0_plus_~a#1=|v_thread2Thread1of1ForFork0_plus_~a#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork0_plus_#in~b#1=|v_thread2Thread1of1ForFork0_plus_#in~b#1_1|, ~A~0.offset=v_~A~0.offset_32, thread2Thread1of1ForFork0_plus_~b#1=|v_thread2Thread1of1ForFork0_plus_~b#1_1|, thread2Thread1of1ForFork0_plus_#res#1=|v_thread2Thread1of1ForFork0_plus_#res#1_1|, #memory_int=|v_#memory_int_43|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~res2~0=v_~res2~0_51, thread2Thread1of1ForFork0_#t~ret6#1=|v_thread2Thread1of1ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_plus_#in~b#1, thread2Thread1of1ForFork0_plus_~b#1, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, ~res2~0, thread2Thread1of1ForFork0_#t~ret6#1][163], [30#L90-1true, 154#true, 118#L50true, 2527#(and (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~M~0 ~N~0)) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 46#L60true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), 1735#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6298#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 6282#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= ~res2~0 0)), Black: 5520#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 6296#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 5519#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2509#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2488#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 1719#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2523#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, Black: 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:12,004 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-12-17 22:58:12,004 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:58:12,004 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:58:12,004 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:58:12,323 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([571] L58-->L60: Formula: (let ((.cse0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1|))) (and (<= 0 (+ v_~res2~0_51 2147483648)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread2Thread1of1ForFork0_plus_~b#1_1| 0) (<= .cse0 2147483647)) 1 0)) (= |v_thread2Thread1of1ForFork0_plus_#res#1_1| .cse0) (= |v_thread2Thread1of1ForFork0_plus_#in~b#1_1| (select (select |v_#memory_int_43| v_~A~0.base_32) (+ v_~A~0.offset_32 (* |v_thread2Thread1of1ForFork0_~i~1#1_7| 4)))) (not (= 0 |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_#in~b#1_1|) (<= v_~res2~0_51 2147483647) (= |v_thread2Thread1of1ForFork0_plus_#in~a#1_1| v_~res2~0_52) (not (= 0 (ite (or (<= 0 |v_thread2Thread1of1ForFork0_plus_~b#1_1|) (<= 0 (+ |v_thread2Thread1of1ForFork0_plus_~b#1_1| |v_thread2Thread1of1ForFork0_plus_~a#1_1| 2147483648))) 1 0))) (= |v_thread2Thread1of1ForFork0_plus_~a#1_1| |v_thread2Thread1of1ForFork0_plus_#in~a#1_1|) (= v_~res2~0_51 |v_thread2Thread1of1ForFork0_plus_#res#1_1|))) InVars {#memory_int=|v_#memory_int_43|, ~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, ~A~0.offset=v_~A~0.offset_32, ~res2~0=v_~res2~0_52} OutVars{~A~0.base=v_~A~0.base_32, thread2Thread1of1ForFork0_plus_#in~a#1=|v_thread2Thread1of1ForFork0_plus_#in~a#1_1|, thread2Thread1of1ForFork0_plus_~a#1=|v_thread2Thread1of1ForFork0_plus_~a#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork0_plus_#in~b#1=|v_thread2Thread1of1ForFork0_plus_#in~b#1_1|, ~A~0.offset=v_~A~0.offset_32, thread2Thread1of1ForFork0_plus_~b#1=|v_thread2Thread1of1ForFork0_plus_~b#1_1|, thread2Thread1of1ForFork0_plus_#res#1=|v_thread2Thread1of1ForFork0_plus_#res#1_1|, #memory_int=|v_#memory_int_43|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~res2~0=v_~res2~0_51, thread2Thread1of1ForFork0_#t~ret6#1=|v_thread2Thread1of1ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_plus_#in~b#1, thread2Thread1of1ForFork0_plus_~b#1, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, ~res2~0, thread2Thread1of1ForFork0_#t~ret6#1][163], [30#L90-1true, 154#true, 2527#(and (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~M~0 ~N~0)) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 46#L60true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), 1735#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6298#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 6282#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= ~res2~0 0)), Black: 5520#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 6296#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 5519#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4))) ~res1~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 6286#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t3~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |ULTIMATE.start_create_fresh_int_array_#res#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t3~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 6294#(and (= ~res1~0 ~res2~0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 6290#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), 984#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 5518#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), Black: 5517#(and (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0)), Black: 164#(and (= ~res1~0 ~res2~0) (= 0 ~res1~0)), 4777#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 4775#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 4773#(and (<= 1 ~N~0) (or (< 0 ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 183#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 4008#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4030#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 157#true, Black: 3267#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 4018#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3269#(and (<= 1 ~N~0) (or (< 0 ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0))), Black: 3998#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4034#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 3996#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4032#(and (<= 1 ~M~0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 4028#(and (<= 1 ~M~0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, Black: 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:12,325 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,325 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,325 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,325 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,325 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([584] L67-2-->L67-3: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_11| (+ |v_thread3Thread1of1ForFork1_#t~post7#1_3| 1)) InVars {thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_3|} OutVars{thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_3|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_11|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_~i~2#1][759], [30#L90-1true, 154#true, 147#L58true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 6298#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 6282#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ 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(<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 5#L47-2true, Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, Black: 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:12,325 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,325 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,326 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,326 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:58:12,472 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([564] L47-2-->L47-3: Formula: (= |v_thread1Thread1of1ForFork2_~i~0#1_11| (+ |v_thread1Thread1of1ForFork2_#t~post1#1_3| 1)) InVars {thread1Thread1of1ForFork2_#t~post1#1=|v_thread1Thread1of1ForFork2_#t~post1#1_3|} OutVars{thread1Thread1of1ForFork2_~i~0#1=|v_thread1Thread1of1ForFork2_~i~0#1_11|, thread1Thread1of1ForFork2_#t~post1#1=|v_thread1Thread1of1ForFork2_#t~post1#1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_~i~0#1][751], [30#L90-1true, 154#true, 147#L58true, Black: 5521#(= ~res1~0 ~res2~0), Black: 6292#(and (= ~res1~0 ~res2~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread1Thread1of1ForFork2_~i~0#1| 4)))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 6298#(and (= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 6282#(and (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res1~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (< (+ 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|thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2488#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2523#(and (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2515#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 2490#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 5500#true, 4788#(<= 1 ~N~0), 6312#true]) [2021-12-17 22:58:12,472 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is not cut-off event [2021-12-17 22:58:12,472 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is not cut-off event [2021-12-17 22:58:12,472 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is not cut-off event [2021-12-17 22:58:12,473 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is not cut-off event [2021-12-17 22:58:15,182 INFO L129 PetriNetUnfolder]: 16542/31362 cut-off events. [2021-12-17 22:58:15,183 INFO L130 PetriNetUnfolder]: For 262382/263719 co-relation queries the response was YES. [2021-12-17 22:58:15,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147553 conditions, 31362 events. 16542/31362 cut-off events. For 262382/263719 co-relation queries the response was YES. Maximal size of possible extension queue 1768. Compared 307409 event pairs, 2873 based on Foata normal form. 547/31593 useless extension candidates. Maximal degree in co-relation 147486. Up to 12972 conditions per place. [2021-12-17 22:58:15,991 INFO L132 encePairwiseOnDemand]: 117/153 looper letters, 823 selfloop transitions, 433 changer transitions 6/1465 dead transitions. [2021-12-17 22:58:15,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 1465 transitions, 21208 flow [2021-12-17 22:58:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-17 22:58:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-12-17 22:58:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 3626 transitions. [2021-12-17 22:58:15,996 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.44715747934393885 [2021-12-17 22:58:15,996 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 3626 transitions. [2021-12-17 22:58:15,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 3626 transitions. [2021-12-17 22:58:15,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:58:15,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 3626 transitions. [2021-12-17 22:58:16,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 68.41509433962264) internal successors, (3626), 53 states have internal predecessors, (3626), 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) [2021-12-17 22:58:16,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 153.0) internal successors, (8262), 54 states have internal predecessors, (8262), 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) [2021-12-17 22:58:16,012 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 153.0) internal successors, (8262), 54 states have internal predecessors, (8262), 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) [2021-12-17 22:58:16,012 INFO L186 Difference]: Start difference. First operand has 292 places, 595 transitions, 8075 flow. Second operand 53 states and 3626 transitions. [2021-12-17 22:58:16,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 1465 transitions, 21208 flow [2021-12-17 22:58:20,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 1465 transitions, 20778 flow, removed 106 selfloop flow, removed 17 redundant places. [2021-12-17 22:58:20,454 INFO L242 Difference]: Finished difference. Result has 345 places, 995 transitions, 14341 flow [2021-12-17 22:58:20,455 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=7970, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=53, PETRI_FLOW=14341, PETRI_PLACES=345, PETRI_TRANSITIONS=995} [2021-12-17 22:58:20,455 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 208 predicate places. [2021-12-17 22:58:20,455 INFO L470 AbstractCegarLoop]: Abstraction has has 345 places, 995 transitions, 14341 flow [2021-12-17 22:58:20,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 64.6376811594203) internal successors, (4460), 69 states have internal predecessors, (4460), 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) [2021-12-17 22:58:20,456 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:58:20,457 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:58:20,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-17 22:58:20,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-17 22:58:20,673 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:58:20,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:58:20,673 INFO L85 PathProgramCache]: Analyzing trace with hash 992703686, now seen corresponding path program 2 times [2021-12-17 22:58:20,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:58:20,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53045386] [2021-12-17 22:58:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:58:20,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:58:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:58:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:58:21,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:58:21,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53045386] [2021-12-17 22:58:21,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53045386] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:58:21,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882441161] [2021-12-17 22:58:21,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 22:58:21,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:58:21,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:58:21,448 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:58:21,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-17 22:58:21,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 22:58:21,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:58:21,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 66 conjunts are in the unsatisfiable core [2021-12-17 22:58:21,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:58:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 22:58:22,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-17 22:58:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 22:58:22,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-17 22:58:22,574 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:22,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-12-17 22:58:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:58:22,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:58:23,279 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (and (forall ((v_ArrVal_402 (Array Int Int))) (< (+ c_~res2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_402) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4)))) (+ c_~res1~0 1))) (forall ((v_ArrVal_402 (Array Int Int))) (<= c_~res1~0 (+ c_~res2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_402) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))))) (<= c_~N~0 ~M~0) (<= (+ ~M~0 2) c_~N~0))) is different from false [2021-12-17 22:58:23,464 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= c_~N~0 ~M~0) (<= (+ ~M~0 2) c_~N~0) (and (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_401 (Array Int Int))) (<= c_~res1~0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_401) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_402) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))) c_~res2~0))) (forall ((v_ArrVal_402 (Array Int Int)) (v_ArrVal_401 (Array Int Int))) (< (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_401) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_402) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))) c_~res2~0) (+ c_~res1~0 1)))))) is different from false [2021-12-17 22:58:23,836 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:23,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 237 treesize of output 174 [2021-12-17 22:58:23,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 145 [2021-12-17 22:58:23,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 139 [2021-12-17 22:58:23,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 127 [2021-12-17 22:58:23,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 121 [2021-12-17 22:58:24,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:58:24,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882441161] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:58:24,614 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:58:24,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 26, 25] total 63 [2021-12-17 22:58:24,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472717373] [2021-12-17 22:58:24,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:58:24,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-12-17 22:58:24,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:58:24,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-12-17 22:58:24,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=3276, Unknown=3, NotChecked=238, Total=3906 [2021-12-17 22:58:24,617 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 153 [2021-12-17 22:58:24,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 995 transitions, 14341 flow. Second operand has 63 states, 63 states have (on average 65.87301587301587) internal successors, (4150), 63 states have internal predecessors, (4150), 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) [2021-12-17 22:58:24,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:58:24,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 153 [2021-12-17 22:58:24,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:58:39,000 INFO L129 PetriNetUnfolder]: 23133/43212 cut-off events. [2021-12-17 22:58:39,000 INFO L130 PetriNetUnfolder]: For 384109/386170 co-relation queries the response was YES. [2021-12-17 22:58:39,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209107 conditions, 43212 events. 23133/43212 cut-off events. For 384109/386170 co-relation queries the response was YES. Maximal size of possible extension queue 2500. Compared 435474 event pairs, 1756 based on Foata normal form. 1050/43914 useless extension candidates. Maximal degree in co-relation 209023. Up to 12864 conditions per place. [2021-12-17 22:58:40,179 INFO L132 encePairwiseOnDemand]: 116/153 looper letters, 952 selfloop transitions, 1004 changer transitions 6/2164 dead transitions. [2021-12-17 22:58:40,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 2164 transitions, 33371 flow [2021-12-17 22:58:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-12-17 22:58:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-12-17 22:58:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 5089 transitions. [2021-12-17 22:58:40,187 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45563613573283196 [2021-12-17 22:58:40,187 INFO L72 ComplementDD]: Start complementDD. Operand 73 states and 5089 transitions. [2021-12-17 22:58:40,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 5089 transitions. [2021-12-17 22:58:40,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:58:40,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 73 states and 5089 transitions. [2021-12-17 22:58:40,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 74 states, 73 states have (on average 69.71232876712328) internal successors, (5089), 73 states have internal predecessors, (5089), 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) [2021-12-17 22:58:40,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 74 states, 74 states have (on average 153.0) internal successors, (11322), 74 states have internal predecessors, (11322), 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) [2021-12-17 22:58:40,206 INFO L81 ComplementDD]: Finished complementDD. Result has 74 states, 74 states have (on average 153.0) internal successors, (11322), 74 states have internal predecessors, (11322), 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) [2021-12-17 22:58:40,206 INFO L186 Difference]: Start difference. First operand has 345 places, 995 transitions, 14341 flow. Second operand 73 states and 5089 transitions. [2021-12-17 22:58:40,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 2164 transitions, 33371 flow [2021-12-17 22:58:47,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 2164 transitions, 33283 flow, removed 32 selfloop flow, removed 13 redundant places. [2021-12-17 22:58:47,208 INFO L242 Difference]: Finished difference. Result has 435 places, 1571 transitions, 26293 flow [2021-12-17 22:58:47,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=14259, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=492, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=73, PETRI_FLOW=26293, PETRI_PLACES=435, PETRI_TRANSITIONS=1571} [2021-12-17 22:58:47,210 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 298 predicate places. [2021-12-17 22:58:47,210 INFO L470 AbstractCegarLoop]: Abstraction has has 435 places, 1571 transitions, 26293 flow [2021-12-17 22:58:47,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 65.87301587301587) internal successors, (4150), 63 states have internal predecessors, (4150), 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) [2021-12-17 22:58:47,211 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:58:47,216 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:58:47,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-17 22:58:47,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-17 22:58:47,431 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:58:47,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:58:47,432 INFO L85 PathProgramCache]: Analyzing trace with hash 949706146, now seen corresponding path program 2 times [2021-12-17 22:58:47,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:58:47,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670969900] [2021-12-17 22:58:47,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:58:47,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:58:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:58:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:58:47,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:58:47,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670969900] [2021-12-17 22:58:47,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670969900] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:58:47,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153623993] [2021-12-17 22:58:47,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 22:58:47,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:58:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:58:47,762 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:58:47,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-17 22:58:47,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 22:58:47,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 22:58:47,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-17 22:58:47,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:58:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 22:58:48,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-17 22:58:48,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-17 22:58:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:58:48,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:58:48,812 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_435 (Array Int Int))) (< (+ c_~res2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_435) c_~A~0.base) c_~A~0.offset)) (+ c_~res1~0 1))) (forall ((v_ArrVal_435 (Array Int Int))) (<= c_~res1~0 (+ c_~res2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_435) c_~A~0.base) c_~A~0.offset))))) is different from false [2021-12-17 22:58:48,833 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 22:58:48,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 38 [2021-12-17 22:58:48,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2021-12-17 22:58:48,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 22:58:48,865 INFO L354 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2021-12-17 22:58:48,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 13 [2021-12-17 22:58:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 22:58:49,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153623993] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:58:49,387 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:58:49,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 16] total 36 [2021-12-17 22:58:49,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857398789] [2021-12-17 22:58:49,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:58:49,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-12-17 22:58:49,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:58:49,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-12-17 22:58:49,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1042, Unknown=1, NotChecked=66, Total=1260 [2021-12-17 22:58:49,389 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 153 [2021-12-17 22:58:49,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 1571 transitions, 26293 flow. Second operand has 36 states, 36 states have (on average 80.38888888888889) internal successors, (2894), 36 states have internal predecessors, (2894), 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) [2021-12-17 22:58:49,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:58:49,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 153 [2021-12-17 22:58:49,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand