./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:52:28,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:52:28,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:52:28,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:52:28,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:52:28,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:52:28,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:52:28,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:52:28,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:52:28,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:52:28,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:52:28,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:52:28,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:52:28,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:52:28,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:52:28,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:52:28,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:52:28,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:52:28,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:52:28,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:52:28,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:52:28,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:52:28,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:52:28,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:52:28,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:52:28,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:52:28,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:52:28,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:52:28,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:52:28,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:52:28,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:52:28,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:52:28,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:52:28,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:52:28,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:52:28,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:52:28,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:52:28,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:52:28,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:52:28,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:52:28,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:52:28,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:52:28,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:52:28,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:52:28,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:52:28,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:52:28,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:52:28,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:52:28,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:52:28,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:52:28,578 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:52:28,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:52:28,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:52:28,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:52:28,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:52:28,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:52:28,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:52:28,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:52:28,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:52:28,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:52:28,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:52:28,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:52:28,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:52:28,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:52:28,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:52:28,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:52:28,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:52:28,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:52:28,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:52:28,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:52:28,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:52:28,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:52:28,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:52:28,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:52:28,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:52:28,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:52:28,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2021-12-14 16:52:28,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:52:28,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:52:28,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:52:28,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:52:28,843 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:52:28,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-12-14 16:52:28,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0376c29d2/1cfbb813c48c4833aee766b330a35adb/FLAGa313e610f [2021-12-14 16:52:29,365 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:52:29,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-12-14 16:52:29,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0376c29d2/1cfbb813c48c4833aee766b330a35adb/FLAGa313e610f [2021-12-14 16:52:29,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0376c29d2/1cfbb813c48c4833aee766b330a35adb [2021-12-14 16:52:29,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:52:29,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:52:29,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:52:29,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:52:29,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:52:29,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:52:29" (1/1) ... [2021-12-14 16:52:29,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f850420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:29, skipping insertion in model container [2021-12-14 16:52:29,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:52:29" (1/1) ... [2021-12-14 16:52:29,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:52:29,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:52:29,984 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] [2021-12-14 16:52:29,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:52:30,005 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 16:52:30,033 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] [2021-12-14 16:52:30,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:52:30,055 INFO L208 MainTranslator]: Completed translation [2021-12-14 16:52:30,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30 WrapperNode [2021-12-14 16:52:30,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:52:30,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 16:52:30,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 16:52:30,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 16:52:30,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,112 INFO L137 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 191 [2021-12-14 16:52:30,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 16:52:30,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 16:52:30,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 16:52:30,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 16:52:30,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 16:52:30,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 16:52:30,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 16:52:30,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 16:52:30,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (1/1) ... [2021-12-14 16:52:30,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:52:30,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:30,185 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) [2021-12-14 16:52:30,203 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 [2021-12-14 16:52:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 16:52:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 16:52:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 16:52:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 16:52:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-14 16:52:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-14 16:52:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-14 16:52:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-14 16:52:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-14 16:52:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-14 16:52:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 16:52:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-14 16:52:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-14 16:52:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 16:52:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 16:52:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 16:52:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 16:52:30,234 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-14 16:52:30,367 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 16:52:30,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 16:52:30,728 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 16:52:30,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 16:52:30,880 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 16:52:30,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:52:30 BoogieIcfgContainer [2021-12-14 16:52:30,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 16:52:30,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 16:52:30,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 16:52:30,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 16:52:30,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:52:29" (1/3) ... [2021-12-14 16:52:30,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9b446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:52:30, skipping insertion in model container [2021-12-14 16:52:30,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:52:30" (2/3) ... [2021-12-14 16:52:30,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9b446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:52:30, skipping insertion in model container [2021-12-14 16:52:30,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:52:30" (3/3) ... [2021-12-14 16:52:30,891 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2021-12-14 16:52:30,897 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-14 16:52:30,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 16:52:30,898 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 16:52:30,898 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-14 16:52:30,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,945 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,953 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,954 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,954 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,954 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,954 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,965 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,976 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,976 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,976 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,976 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,976 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,983 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,989 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,989 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,989 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,989 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,990 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,990 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,990 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,990 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,990 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,991 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:30,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:52:31,000 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-14 16:52:31,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:52:31,065 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 [2021-12-14 16:52:31,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-14 16:52:31,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 330 flow [2021-12-14 16:52:31,164 INFO L129 PetriNetUnfolder]: 12/150 cut-off events. [2021-12-14 16:52:31,164 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-14 16:52:31,168 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. [2021-12-14 16:52:31,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 153 transitions, 330 flow [2021-12-14 16:52:31,176 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 139 transitions, 296 flow [2021-12-14 16:52:31,225 INFO L129 PetriNetUnfolder]: 12/138 cut-off events. [2021-12-14 16:52:31,225 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-14 16:52:31,226 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:31,227 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] [2021-12-14 16:52:31,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash -242833221, now seen corresponding path program 1 times [2021-12-14 16:52:31,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:31,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779456789] [2021-12-14 16:52:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:31,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:31,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:31,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779456789] [2021-12-14 16:52:31,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779456789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:52:31,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:52:31,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:52:31,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276178243] [2021-12-14 16:52:31,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:31,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 16:52:31,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 16:52:31,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 16:52:31,570 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 153 [2021-12-14 16:52:31,575 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) [2021-12-14 16:52:31,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:31,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 153 [2021-12-14 16:52:31,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:31,672 INFO L129 PetriNetUnfolder]: 41/264 cut-off events. [2021-12-14 16:52:31,672 INFO L130 PetriNetUnfolder]: For 50/51 co-relation queries the response was YES. [2021-12-14 16:52:31,677 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. [2021-12-14 16:52:31,680 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 9 selfloop transitions, 0 changer transitions 4/131 dead transitions. [2021-12-14 16:52:31,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 131 transitions, 298 flow [2021-12-14 16:52:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 16:52:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-14 16:52:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 287 transitions. [2021-12-14 16:52:31,703 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9379084967320261 [2021-12-14 16:52:31,704 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 287 transitions. [2021-12-14 16:52:31,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 287 transitions. [2021-12-14 16:52:31,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:31,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 287 transitions. [2021-12-14 16:52:31,715 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) [2021-12-14 16:52:31,723 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) [2021-12-14 16:52:31,724 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) [2021-12-14 16:52:31,726 INFO L186 Difference]: Start difference. First operand has 137 places, 139 transitions, 296 flow. Second operand 2 states and 287 transitions. [2021-12-14 16:52:31,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 131 transitions, 298 flow [2021-12-14 16:52:31,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 286 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-14 16:52:31,734 INFO L242 Difference]: Finished difference. Result has 132 places, 127 transitions, 260 flow [2021-12-14 16:52:31,735 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} [2021-12-14 16:52:31,739 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, -5 predicate places. [2021-12-14 16:52:31,740 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 127 transitions, 260 flow [2021-12-14 16:52:31,740 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) [2021-12-14 16:52:31,740 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:31,740 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] [2021-12-14 16:52:31,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 16:52:31,741 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:31,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:31,742 INFO L85 PathProgramCache]: Analyzing trace with hash 740750995, now seen corresponding path program 1 times [2021-12-14 16:52:31,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:31,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733305001] [2021-12-14 16:52:31,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:31,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:32,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:32,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733305001] [2021-12-14 16:52:32,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733305001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:52:32,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:52:32,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:52:32,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167554495] [2021-12-14 16:52:32,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:32,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:52:32,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:32,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:52:32,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:52:32,067 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-12-14 16:52:32,068 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) [2021-12-14 16:52:32,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:32,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-12-14 16:52:32,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:32,235 INFO L129 PetriNetUnfolder]: 54/344 cut-off events. [2021-12-14 16:52:32,235 INFO L130 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2021-12-14 16:52:32,237 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. [2021-12-14 16:52:32,238 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 39 selfloop transitions, 6 changer transitions 4/149 dead transitions. [2021-12-14 16:52:32,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 149 transitions, 411 flow [2021-12-14 16:52:32,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 16:52:32,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-14 16:52:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 728 transitions. [2021-12-14 16:52:32,243 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7930283224400871 [2021-12-14 16:52:32,243 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 728 transitions. [2021-12-14 16:52:32,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 728 transitions. [2021-12-14 16:52:32,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:32,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 728 transitions. [2021-12-14 16:52:32,246 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) [2021-12-14 16:52:32,250 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) [2021-12-14 16:52:32,251 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) [2021-12-14 16:52:32,251 INFO L186 Difference]: Start difference. First operand has 132 places, 127 transitions, 260 flow. Second operand 6 states and 728 transitions. [2021-12-14 16:52:32,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 149 transitions, 411 flow [2021-12-14 16:52:32,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 149 transitions, 411 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:52:32,258 INFO L242 Difference]: Finished difference. Result has 136 places, 131 transitions, 296 flow [2021-12-14 16:52:32,258 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} [2021-12-14 16:52:32,259 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, -1 predicate places. [2021-12-14 16:52:32,259 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 296 flow [2021-12-14 16:52:32,260 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) [2021-12-14 16:52:32,260 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:32,260 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] [2021-12-14 16:52:32,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 16:52:32,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:32,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:32,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1783469737, now seen corresponding path program 1 times [2021-12-14 16:52:32,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:32,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269110641] [2021-12-14 16:52:32,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:32,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:32,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:32,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269110641] [2021-12-14 16:52:32,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269110641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:52:32,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:52:32,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:52:32,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656885459] [2021-12-14 16:52:32,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:32,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:52:32,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:32,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:52:32,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:52:32,453 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-12-14 16:52:32,454 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) [2021-12-14 16:52:32,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:32,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-12-14 16:52:32,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:32,785 INFO L129 PetriNetUnfolder]: 378/1242 cut-off events. [2021-12-14 16:52:32,786 INFO L130 PetriNetUnfolder]: For 239/267 co-relation queries the response was YES. [2021-12-14 16:52:32,789 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. [2021-12-14 16:52:32,797 INFO L132 encePairwiseOnDemand]: 144/153 looper letters, 55 selfloop transitions, 8 changer transitions 0/159 dead transitions. [2021-12-14 16:52:32,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 159 transitions, 506 flow [2021-12-14 16:52:32,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 16:52:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-14 16:52:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 960 transitions. [2021-12-14 16:52:32,801 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7843137254901961 [2021-12-14 16:52:32,801 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 960 transitions. [2021-12-14 16:52:32,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 960 transitions. [2021-12-14 16:52:32,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:32,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 960 transitions. [2021-12-14 16:52:32,804 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) [2021-12-14 16:52:32,806 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) [2021-12-14 16:52:32,807 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) [2021-12-14 16:52:32,808 INFO L186 Difference]: Start difference. First operand has 136 places, 131 transitions, 296 flow. Second operand 8 states and 960 transitions. [2021-12-14 16:52:32,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 159 transitions, 506 flow [2021-12-14 16:52:32,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 159 transitions, 502 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-14 16:52:32,814 INFO L242 Difference]: Finished difference. Result has 142 places, 134 transitions, 328 flow [2021-12-14 16:52:32,814 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} [2021-12-14 16:52:32,816 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 5 predicate places. [2021-12-14 16:52:32,816 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 134 transitions, 328 flow [2021-12-14 16:52:32,817 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) [2021-12-14 16:52:32,817 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:32,817 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] [2021-12-14 16:52:32,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 16:52:32,818 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:32,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:32,819 INFO L85 PathProgramCache]: Analyzing trace with hash -507586615, now seen corresponding path program 1 times [2021-12-14 16:52:32,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:32,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333571109] [2021-12-14 16:52:32,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:32,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:33,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:33,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333571109] [2021-12-14 16:52:33,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333571109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:52:33,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:52:33,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-14 16:52:33,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022831132] [2021-12-14 16:52:33,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:33,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-14 16:52:33,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:33,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-14 16:52:33,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-14 16:52:33,019 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 153 [2021-12-14 16:52:33,021 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) [2021-12-14 16:52:33,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:33,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 153 [2021-12-14 16:52:33,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:33,530 INFO L129 PetriNetUnfolder]: 870/1937 cut-off events. [2021-12-14 16:52:33,531 INFO L130 PetriNetUnfolder]: For 377/401 co-relation queries the response was YES. [2021-12-14 16:52:33,536 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. [2021-12-14 16:52:33,546 INFO L132 encePairwiseOnDemand]: 139/153 looper letters, 75 selfloop transitions, 13 changer transitions 0/167 dead transitions. [2021-12-14 16:52:33,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 167 transitions, 590 flow [2021-12-14 16:52:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:52:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:52:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1266 transitions. [2021-12-14 16:52:33,550 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6365007541478129 [2021-12-14 16:52:33,550 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1266 transitions. [2021-12-14 16:52:33,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1266 transitions. [2021-12-14 16:52:33,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:33,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1266 transitions. [2021-12-14 16:52:33,554 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) [2021-12-14 16:52:33,558 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) [2021-12-14 16:52:33,560 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) [2021-12-14 16:52:33,561 INFO L186 Difference]: Start difference. First operand has 142 places, 134 transitions, 328 flow. Second operand 13 states and 1266 transitions. [2021-12-14 16:52:33,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 167 transitions, 590 flow [2021-12-14 16:52:33,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 167 transitions, 580 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-14 16:52:33,569 INFO L242 Difference]: Finished difference. Result has 155 places, 138 transitions, 371 flow [2021-12-14 16:52:33,569 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} [2021-12-14 16:52:33,571 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 18 predicate places. [2021-12-14 16:52:33,571 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 138 transitions, 371 flow [2021-12-14 16:52:33,571 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) [2021-12-14 16:52:33,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:33,572 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] [2021-12-14 16:52:33,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 16:52:33,572 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:33,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:33,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1248427851, now seen corresponding path program 1 times [2021-12-14 16:52:33,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:33,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720056489] [2021-12-14 16:52:33,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:33,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:33,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:33,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720056489] [2021-12-14 16:52:33,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720056489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:52:33,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:52:33,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-14 16:52:33,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071264915] [2021-12-14 16:52:33,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:33,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-14 16:52:33,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:33,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-14 16:52:33,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-14 16:52:33,812 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 153 [2021-12-14 16:52:33,813 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) [2021-12-14 16:52:33,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:33,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 153 [2021-12-14 16:52:33,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:34,401 INFO L129 PetriNetUnfolder]: 688/1433 cut-off events. [2021-12-14 16:52:34,401 INFO L130 PetriNetUnfolder]: For 445/463 co-relation queries the response was YES. [2021-12-14 16:52:34,406 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 8433 event pairs, 436 based on Foata normal form. 18/1322 useless extension candidates. Maximal degree in co-relation 3024. Up to 983 conditions per place. [2021-12-14 16:52:34,414 INFO L132 encePairwiseOnDemand]: 141/153 looper letters, 50 selfloop transitions, 6 changer transitions 21/156 dead transitions. [2021-12-14 16:52:34,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 156 transitions, 565 flow [2021-12-14 16:52:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 16:52:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-14 16:52:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1084 transitions. [2021-12-14 16:52:34,417 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6440879382055853 [2021-12-14 16:52:34,417 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1084 transitions. [2021-12-14 16:52:34,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1084 transitions. [2021-12-14 16:52:34,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:34,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1084 transitions. [2021-12-14 16:52:34,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 98.54545454545455) internal successors, (1084), 11 states have internal predecessors, (1084), 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) [2021-12-14 16:52:34,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 153.0) internal successors, (1836), 12 states have internal predecessors, (1836), 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) [2021-12-14 16:52:34,423 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 153.0) internal successors, (1836), 12 states have internal predecessors, (1836), 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) [2021-12-14 16:52:34,424 INFO L186 Difference]: Start difference. First operand has 155 places, 138 transitions, 371 flow. Second operand 11 states and 1084 transitions. [2021-12-14 16:52:34,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 156 transitions, 565 flow [2021-12-14 16:52:34,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 156 transitions, 548 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-12-14 16:52:34,429 INFO L242 Difference]: Finished difference. Result has 160 places, 132 transitions, 332 flow [2021-12-14 16:52:34,429 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=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=132} [2021-12-14 16:52:34,430 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 23 predicate places. [2021-12-14 16:52:34,430 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 132 transitions, 332 flow [2021-12-14 16:52:34,431 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) [2021-12-14 16:52:34,431 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:34,431 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] [2021-12-14 16:52:34,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 16:52:34,432 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1544431852, now seen corresponding path program 1 times [2021-12-14 16:52:34,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:34,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721732486] [2021-12-14 16:52:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:34,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:34,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:34,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721732486] [2021-12-14 16:52:34,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721732486] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:34,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628688766] [2021-12-14 16:52:34,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:34,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:34,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:34,543 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) [2021-12-14 16:52:34,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 16:52:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:34,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 16:52:34,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:35,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:35,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628688766] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:52:35,444 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:52:35,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2021-12-14 16:52:35,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965613169] [2021-12-14 16:52:35,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:52:35,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-14 16:52:35,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-14 16:52:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-12-14 16:52:35,448 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-12-14 16:52:35,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 132 transitions, 332 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) [2021-12-14 16:52:35,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:35,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-12-14 16:52:35,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:36,157 INFO L129 PetriNetUnfolder]: 1488/2880 cut-off events. [2021-12-14 16:52:36,157 INFO L130 PetriNetUnfolder]: For 1023/1023 co-relation queries the response was YES. [2021-12-14 16:52:36,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6351 conditions, 2880 events. 1488/2880 cut-off events. For 1023/1023 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 20126 event pairs, 415 based on Foata normal form. 10/2828 useless extension candidates. Maximal degree in co-relation 6335. Up to 680 conditions per place. [2021-12-14 16:52:36,184 INFO L132 encePairwiseOnDemand]: 141/153 looper letters, 106 selfloop transitions, 19 changer transitions 0/214 dead transitions. [2021-12-14 16:52:36,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 214 transitions, 855 flow [2021-12-14 16:52:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:52:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:52:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1484 transitions. [2021-12-14 16:52:36,188 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7461035696329814 [2021-12-14 16:52:36,188 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1484 transitions. [2021-12-14 16:52:36,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1484 transitions. [2021-12-14 16:52:36,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:36,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1484 transitions. [2021-12-14 16:52:36,193 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) [2021-12-14 16:52:36,196 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) [2021-12-14 16:52:36,197 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) [2021-12-14 16:52:36,198 INFO L186 Difference]: Start difference. First operand has 160 places, 132 transitions, 332 flow. Second operand 13 states and 1484 transitions. [2021-12-14 16:52:36,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 214 transitions, 855 flow [2021-12-14 16:52:36,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 214 transitions, 795 flow, removed 24 selfloop flow, removed 14 redundant places. [2021-12-14 16:52:36,208 INFO L242 Difference]: Finished difference. Result has 151 places, 145 transitions, 401 flow [2021-12-14 16:52:36,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=134, 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=401, PETRI_PLACES=151, PETRI_TRANSITIONS=145} [2021-12-14 16:52:36,211 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 14 predicate places. [2021-12-14 16:52:36,211 INFO L470 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 401 flow [2021-12-14 16:52:36,212 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) [2021-12-14 16:52:36,212 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:36,212 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] [2021-12-14 16:52:36,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-14 16:52:36,446 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 [2021-12-14 16:52:36,446 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:36,447 INFO L85 PathProgramCache]: Analyzing trace with hash -611010310, now seen corresponding path program 2 times [2021-12-14 16:52:36,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:36,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667002382] [2021-12-14 16:52:36,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:36,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:36,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:36,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667002382] [2021-12-14 16:52:36,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667002382] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:36,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268100255] [2021-12-14 16:52:36,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 16:52:36,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:36,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:36,564 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) [2021-12-14 16:52:36,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 16:52:36,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 16:52:36,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:52:36,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 16:52:36,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:36,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:37,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268100255] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:52:37,112 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:52:37,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2021-12-14 16:52:37,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077672695] [2021-12-14 16:52:37,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:52:37,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-14 16:52:37,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:37,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-14 16:52:37,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-12-14 16:52:37,116 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-14 16:52:37,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 401 flow. Second operand has 17 states, 17 states have (on average 106.6470588235294) internal successors, (1813), 17 states have internal predecessors, (1813), 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) [2021-12-14 16:52:37,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:37,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-14 16:52:37,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:38,630 INFO L129 PetriNetUnfolder]: 3593/6567 cut-off events. [2021-12-14 16:52:38,630 INFO L130 PetriNetUnfolder]: For 2868/2895 co-relation queries the response was YES. [2021-12-14 16:52:38,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16022 conditions, 6567 events. 3593/6567 cut-off events. For 2868/2895 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 48487 event pairs, 383 based on Foata normal form. 17/6228 useless extension candidates. Maximal degree in co-relation 16010. Up to 725 conditions per place. [2021-12-14 16:52:38,693 INFO L132 encePairwiseOnDemand]: 137/153 looper letters, 247 selfloop transitions, 90 changer transitions 0/423 dead transitions. [2021-12-14 16:52:38,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 423 transitions, 2040 flow [2021-12-14 16:52:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-14 16:52:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-14 16:52:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2759 transitions. [2021-12-14 16:52:38,700 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7513616557734205 [2021-12-14 16:52:38,700 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2759 transitions. [2021-12-14 16:52:38,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2759 transitions. [2021-12-14 16:52:38,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:38,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2759 transitions. [2021-12-14 16:52:38,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 114.95833333333333) internal successors, (2759), 24 states have internal predecessors, (2759), 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) [2021-12-14 16:52:38,713 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) [2021-12-14 16:52:38,715 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) [2021-12-14 16:52:38,715 INFO L186 Difference]: Start difference. First operand has 151 places, 145 transitions, 401 flow. Second operand 24 states and 2759 transitions. [2021-12-14 16:52:38,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 423 transitions, 2040 flow [2021-12-14 16:52:38,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 423 transitions, 2033 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-14 16:52:38,734 INFO L242 Difference]: Finished difference. Result has 188 places, 227 transitions, 1140 flow [2021-12-14 16:52:38,734 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1140, PETRI_PLACES=188, PETRI_TRANSITIONS=227} [2021-12-14 16:52:38,735 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 51 predicate places. [2021-12-14 16:52:38,735 INFO L470 AbstractCegarLoop]: Abstraction has has 188 places, 227 transitions, 1140 flow [2021-12-14 16:52:38,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 106.6470588235294) internal successors, (1813), 17 states have internal predecessors, (1813), 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) [2021-12-14 16:52:38,736 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:38,736 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] [2021-12-14 16:52:38,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-14 16:52:38,959 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 [2021-12-14 16:52:38,960 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:38,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:38,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1509863152, now seen corresponding path program 3 times [2021-12-14 16:52:38,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:38,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787850757] [2021-12-14 16:52:38,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:38,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:39,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:39,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787850757] [2021-12-14 16:52:39,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787850757] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:39,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026236988] [2021-12-14 16:52:39,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-14 16:52:39,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:39,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:39,086 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) [2021-12-14 16:52:39,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-14 16:52:39,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-14 16:52:39,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:52:39,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 16:52:39,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:39,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:39,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026236988] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:52:39,669 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:52:39,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2021-12-14 16:52:39,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278106978] [2021-12-14 16:52:39,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:52:39,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-14 16:52:39,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:39,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-14 16:52:39,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-12-14 16:52:39,673 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-14 16:52:39,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 227 transitions, 1140 flow. Second operand has 15 states, 15 states have (on average 107.0) internal successors, (1605), 15 states have internal predecessors, (1605), 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) [2021-12-14 16:52:39,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:39,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-14 16:52:39,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:41,765 INFO L129 PetriNetUnfolder]: 5320/9308 cut-off events. [2021-12-14 16:52:41,765 INFO L130 PetriNetUnfolder]: For 34841/34931 co-relation queries the response was YES. [2021-12-14 16:52:41,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33733 conditions, 9308 events. 5320/9308 cut-off events. For 34841/34931 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 68703 event pairs, 547 based on Foata normal form. 35/9265 useless extension candidates. Maximal degree in co-relation 33703. Up to 1076 conditions per place. [2021-12-14 16:52:41,882 INFO L132 encePairwiseOnDemand]: 137/153 looper letters, 215 selfloop transitions, 219 changer transitions 0/520 dead transitions. [2021-12-14 16:52:41,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 520 transitions, 3888 flow [2021-12-14 16:52:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-14 16:52:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-14 16:52:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2716 transitions. [2021-12-14 16:52:41,889 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7396514161220044 [2021-12-14 16:52:41,889 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2716 transitions. [2021-12-14 16:52:41,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2716 transitions. [2021-12-14 16:52:41,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:41,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2716 transitions. [2021-12-14 16:52:41,896 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) [2021-12-14 16:52:41,901 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) [2021-12-14 16:52:41,902 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) [2021-12-14 16:52:41,903 INFO L186 Difference]: Start difference. First operand has 188 places, 227 transitions, 1140 flow. Second operand 24 states and 2716 transitions. [2021-12-14 16:52:41,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 520 transitions, 3888 flow [2021-12-14 16:52:42,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 520 transitions, 3843 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-12-14 16:52:42,036 INFO L242 Difference]: Finished difference. Result has 218 places, 360 transitions, 2842 flow [2021-12-14 16:52:42,037 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2842, PETRI_PLACES=218, PETRI_TRANSITIONS=360} [2021-12-14 16:52:42,037 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 81 predicate places. [2021-12-14 16:52:42,037 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 360 transitions, 2842 flow [2021-12-14 16:52:42,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 107.0) internal successors, (1605), 15 states have internal predecessors, (1605), 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) [2021-12-14 16:52:42,038 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:42,039 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] [2021-12-14 16:52:42,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-14 16:52:42,239 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 [2021-12-14 16:52:42,240 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:42,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:42,241 INFO L85 PathProgramCache]: Analyzing trace with hash 312512866, now seen corresponding path program 4 times [2021-12-14 16:52:42,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:42,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379556757] [2021-12-14 16:52:42,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:42,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:42,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:42,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379556757] [2021-12-14 16:52:42,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379556757] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:42,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369582883] [2021-12-14 16:52:42,352 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-14 16:52:42,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:42,353 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) [2021-12-14 16:52:42,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-14 16:52:42,440 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-14 16:52:42,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:52:42,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 16:52:42,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:42,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:42,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:43,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369582883] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:43,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-14 16:52:43,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2021-12-14 16:52:43,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352742220] [2021-12-14 16:52:43,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:43,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 16:52:43,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 16:52:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2021-12-14 16:52:43,208 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-12-14 16:52:43,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 360 transitions, 2842 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) [2021-12-14 16:52:43,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:43,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-12-14 16:52:43,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:44,677 INFO L129 PetriNetUnfolder]: 4554/8713 cut-off events. [2021-12-14 16:52:44,678 INFO L130 PetriNetUnfolder]: For 46140/46376 co-relation queries the response was YES. [2021-12-14 16:52:44,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35054 conditions, 8713 events. 4554/8713 cut-off events. For 46140/46376 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 71255 event pairs, 609 based on Foata normal form. 161/8795 useless extension candidates. Maximal degree in co-relation 35012. Up to 2220 conditions per place. [2021-12-14 16:52:44,827 INFO L132 encePairwiseOnDemand]: 140/153 looper letters, 179 selfloop transitions, 135 changer transitions 0/458 dead transitions. [2021-12-14 16:52:44,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 458 transitions, 4240 flow [2021-12-14 16:52:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 16:52:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-14 16:52:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1271 transitions. [2021-12-14 16:52:44,831 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7551990493166963 [2021-12-14 16:52:44,831 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1271 transitions. [2021-12-14 16:52:44,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1271 transitions. [2021-12-14 16:52:44,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:44,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1271 transitions. [2021-12-14 16:52:44,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 115.54545454545455) internal successors, (1271), 11 states have internal predecessors, (1271), 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) [2021-12-14 16:52:44,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 153.0) internal successors, (1836), 12 states have internal predecessors, (1836), 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) [2021-12-14 16:52:44,838 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 153.0) internal successors, (1836), 12 states have internal predecessors, (1836), 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) [2021-12-14 16:52:44,838 INFO L186 Difference]: Start difference. First operand has 218 places, 360 transitions, 2842 flow. Second operand 11 states and 1271 transitions. [2021-12-14 16:52:44,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 458 transitions, 4240 flow [2021-12-14 16:52:45,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 458 transitions, 4171 flow, removed 30 selfloop flow, removed 5 redundant places. [2021-12-14 16:52:45,198 INFO L242 Difference]: Finished difference. Result has 228 places, 384 transitions, 3582 flow [2021-12-14 16:52:45,199 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=2801, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3582, PETRI_PLACES=228, PETRI_TRANSITIONS=384} [2021-12-14 16:52:45,200 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 91 predicate places. [2021-12-14 16:52:45,200 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 384 transitions, 3582 flow [2021-12-14 16:52:45,200 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) [2021-12-14 16:52:45,201 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:45,201 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] [2021-12-14 16:52:45,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-14 16:52:45,424 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 [2021-12-14 16:52:45,425 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:45,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:45,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1972124186, now seen corresponding path program 5 times [2021-12-14 16:52:45,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:45,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010173357] [2021-12-14 16:52:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:45,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:45,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:45,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010173357] [2021-12-14 16:52:45,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010173357] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:45,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261160822] [2021-12-14 16:52:45,653 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-14 16:52:45,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:45,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:45,654 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) [2021-12-14 16:52:45,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-14 16:52:45,755 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 16:52:45,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:52:45,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 16:52:45,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:46,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:46,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261160822] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:52:46,183 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:52:46,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2021-12-14 16:52:46,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104583228] [2021-12-14 16:52:46,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:52:46,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-14 16:52:46,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:46,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-14 16:52:46,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-12-14 16:52:46,186 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-14 16:52:46,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 384 transitions, 3582 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) [2021-12-14 16:52:46,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:46,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-14 16:52:46,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:48,534 INFO L129 PetriNetUnfolder]: 6070/11103 cut-off events. [2021-12-14 16:52:48,534 INFO L130 PetriNetUnfolder]: For 78267/78705 co-relation queries the response was YES. [2021-12-14 16:52:48,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49266 conditions, 11103 events. 6070/11103 cut-off events. For 78267/78705 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 87814 event pairs, 773 based on Foata normal form. 32/11073 useless extension candidates. Maximal degree in co-relation 49219. Up to 1332 conditions per place. [2021-12-14 16:52:48,830 INFO L132 encePairwiseOnDemand]: 136/153 looper letters, 270 selfloop transitions, 272 changer transitions 0/628 dead transitions. [2021-12-14 16:52:48,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 628 transitions, 6381 flow [2021-12-14 16:52:48,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-14 16:52:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-14 16:52:48,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2748 transitions. [2021-12-14 16:52:48,836 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7483660130718954 [2021-12-14 16:52:48,836 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2748 transitions. [2021-12-14 16:52:48,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2748 transitions. [2021-12-14 16:52:48,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:48,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2748 transitions. [2021-12-14 16:52:48,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 114.5) internal successors, (2748), 24 states have internal predecessors, (2748), 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) [2021-12-14 16:52:48,849 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) [2021-12-14 16:52:48,850 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) [2021-12-14 16:52:48,850 INFO L186 Difference]: Start difference. First operand has 228 places, 384 transitions, 3582 flow. Second operand 24 states and 2748 transitions. [2021-12-14 16:52:48,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 628 transitions, 6381 flow [2021-12-14 16:52:49,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 628 transitions, 6336 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-14 16:52:49,310 INFO L242 Difference]: Finished difference. Result has 258 places, 452 transitions, 5176 flow [2021-12-14 16:52:49,310 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=3541, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=5176, PETRI_PLACES=258, PETRI_TRANSITIONS=452} [2021-12-14 16:52:49,311 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 121 predicate places. [2021-12-14 16:52:49,311 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 452 transitions, 5176 flow [2021-12-14 16:52:49,312 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) [2021-12-14 16:52:49,312 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:49,312 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] [2021-12-14 16:52:49,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-14 16:52:49,535 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 [2021-12-14 16:52:49,536 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:49,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:49,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1657891730, now seen corresponding path program 6 times [2021-12-14 16:52:49,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:49,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845473354] [2021-12-14 16:52:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:49,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:49,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:49,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845473354] [2021-12-14 16:52:49,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845473354] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:49,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381448189] [2021-12-14 16:52:49,642 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-14 16:52:49,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:49,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:49,648 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) [2021-12-14 16:52:49,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-14 16:52:49,748 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-12-14 16:52:49,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:52:49,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 16:52:49,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:49,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:50,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381448189] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:52:50,185 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:52:50,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2021-12-14 16:52:50,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353616092] [2021-12-14 16:52:50,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:52:50,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-14 16:52:50,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:50,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-14 16:52:50,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-12-14 16:52:50,189 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-12-14 16:52:50,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 452 transitions, 5176 flow. Second operand has 17 states, 17 states have (on average 106.41176470588235) internal successors, (1809), 17 states have internal predecessors, (1809), 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) [2021-12-14 16:52:50,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:50,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-12-14 16:52:50,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:53,244 INFO L129 PetriNetUnfolder]: 7107/12848 cut-off events. [2021-12-14 16:52:53,244 INFO L130 PetriNetUnfolder]: For 113139/113688 co-relation queries the response was YES. [2021-12-14 16:52:53,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61504 conditions, 12848 events. 7107/12848 cut-off events. For 113139/113688 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 102964 event pairs, 548 based on Foata normal form. 32/12798 useless extension candidates. Maximal degree in co-relation 61445. Up to 1443 conditions per place. [2021-12-14 16:52:53,381 INFO L132 encePairwiseOnDemand]: 137/153 looper letters, 318 selfloop transitions, 335 changer transitions 0/739 dead transitions. [2021-12-14 16:52:53,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 739 transitions, 8446 flow [2021-12-14 16:52:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-14 16:52:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-12-14 16:52:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3896 transitions. [2021-12-14 16:52:53,387 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7489427143406382 [2021-12-14 16:52:53,387 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3896 transitions. [2021-12-14 16:52:53,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3896 transitions. [2021-12-14 16:52:53,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:53,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3896 transitions. [2021-12-14 16:52:53,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 114.58823529411765) internal successors, (3896), 34 states have internal predecessors, (3896), 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) [2021-12-14 16:52:53,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 153.0) internal successors, (5355), 35 states have internal predecessors, (5355), 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) [2021-12-14 16:52:53,401 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 153.0) internal successors, (5355), 35 states have internal predecessors, (5355), 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) [2021-12-14 16:52:53,401 INFO L186 Difference]: Start difference. First operand has 258 places, 452 transitions, 5176 flow. Second operand 34 states and 3896 transitions. [2021-12-14 16:52:53,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 739 transitions, 8446 flow [2021-12-14 16:52:54,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 739 transitions, 8167 flow, removed 37 selfloop flow, removed 9 redundant places. [2021-12-14 16:52:54,181 INFO L242 Difference]: Finished difference. Result has 290 places, 495 transitions, 6427 flow [2021-12-14 16:52:54,182 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=4919, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=6427, PETRI_PLACES=290, PETRI_TRANSITIONS=495} [2021-12-14 16:52:54,182 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 153 predicate places. [2021-12-14 16:52:54,182 INFO L470 AbstractCegarLoop]: Abstraction has has 290 places, 495 transitions, 6427 flow [2021-12-14 16:52:54,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 106.41176470588235) internal successors, (1809), 17 states have internal predecessors, (1809), 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) [2021-12-14 16:52:54,182 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:54,183 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] [2021-12-14 16:52:54,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-14 16:52:54,383 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 [2021-12-14 16:52:54,383 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:54,384 INFO L85 PathProgramCache]: Analyzing trace with hash 307724114, now seen corresponding path program 1 times [2021-12-14 16:52:54,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:54,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818808942] [2021-12-14 16:52:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:54,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:54,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:54,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818808942] [2021-12-14 16:52:54,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818808942] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:54,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450403624] [2021-12-14 16:52:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:54,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:54,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:54,472 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) [2021-12-14 16:52:54,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-14 16:52:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:54,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 16:52:54,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:54,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:55,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450403624] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:55,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-14 16:52:55,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-12-14 16:52:55,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020482978] [2021-12-14 16:52:55,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:52:55,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:52:55,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:52:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-14 16:52:55,013 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-12-14 16:52:55,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 495 transitions, 6427 flow. Second operand has 7 states, 7 states have (on average 116.57142857142857) internal successors, (816), 7 states have internal predecessors, (816), 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) [2021-12-14 16:52:55,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:55,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-12-14 16:52:55,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:52:56,073 INFO L129 PetriNetUnfolder]: 2603/5891 cut-off events. [2021-12-14 16:52:56,074 INFO L130 PetriNetUnfolder]: For 66921/68058 co-relation queries the response was YES. [2021-12-14 16:52:56,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28781 conditions, 5891 events. 2603/5891 cut-off events. For 66921/68058 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 49901 event pairs, 731 based on Foata normal form. 327/5985 useless extension candidates. Maximal degree in co-relation 28716. Up to 1833 conditions per place. [2021-12-14 16:52:56,161 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 192 selfloop transitions, 102 changer transitions 0/556 dead transitions. [2021-12-14 16:52:56,161 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 556 transitions, 7893 flow [2021-12-14 16:52:56,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 16:52:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-14 16:52:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 831 transitions. [2021-12-14 16:52:56,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7759103641456583 [2021-12-14 16:52:56,164 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 831 transitions. [2021-12-14 16:52:56,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 831 transitions. [2021-12-14 16:52:56,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:52:56,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 831 transitions. [2021-12-14 16:52:56,166 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) [2021-12-14 16:52:56,168 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) [2021-12-14 16:52:56,273 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) [2021-12-14 16:52:56,273 INFO L186 Difference]: Start difference. First operand has 290 places, 495 transitions, 6427 flow. Second operand 7 states and 831 transitions. [2021-12-14 16:52:56,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 556 transitions, 7893 flow [2021-12-14 16:52:56,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 556 transitions, 7540 flow, removed 64 selfloop flow, removed 11 redundant places. [2021-12-14 16:52:56,537 INFO L242 Difference]: Finished difference. Result has 286 places, 495 transitions, 6426 flow [2021-12-14 16:52:56,538 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=6119, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6426, PETRI_PLACES=286, PETRI_TRANSITIONS=495} [2021-12-14 16:52:56,539 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 149 predicate places. [2021-12-14 16:52:56,539 INFO L470 AbstractCegarLoop]: Abstraction has has 286 places, 495 transitions, 6426 flow [2021-12-14 16:52:56,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 116.57142857142857) internal successors, (816), 7 states have internal predecessors, (816), 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) [2021-12-14 16:52:56,539 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:52:56,540 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] [2021-12-14 16:52:56,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-14 16:52:56,753 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 [2021-12-14 16:52:56,754 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:52:56,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:52:56,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1910925666, now seen corresponding path program 1 times [2021-12-14 16:52:56,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:52:56,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266687286] [2021-12-14 16:52:56,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:56,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:52:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:57,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:52:57,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266687286] [2021-12-14 16:52:57,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266687286] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:52:57,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689343126] [2021-12-14 16:52:57,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:52:57,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:52:57,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:52:57,106 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) [2021-12-14 16:52:57,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-14 16:52:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:52:57,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 70 conjunts are in the unsatisfiable core [2021-12-14 16:52:57,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:52:57,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 [2021-12-14 16:52:57,657 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-14 16:52:57,658 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 11 treesize of output 11 [2021-12-14 16:52:57,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-12-14 16:52:58,313 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 [2021-12-14 16:52:58,414 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 [2021-12-14 16:52:58,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-12-14 16:52:58,601 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 [2021-12-14 16:52:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:52:58,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:52:59,512 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 10 treesize of output 8 [2021-12-14 16:52:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:52:59,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689343126] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:52:59,564 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:52:59,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 10] total 32 [2021-12-14 16:52:59,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457348183] [2021-12-14 16:52:59,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:52:59,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-14 16:52:59,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:52:59,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-14 16:52:59,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=834, Unknown=0, NotChecked=0, Total=992 [2021-12-14 16:52:59,571 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 153 [2021-12-14 16:52:59,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 495 transitions, 6426 flow. Second operand has 32 states, 32 states have (on average 69.78125) internal successors, (2233), 32 states have internal predecessors, (2233), 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) [2021-12-14 16:52:59,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:52:59,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 153 [2021-12-14 16:52:59,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:53:03,995 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 (= .cse0 |v_thread3Thread1of1ForFork1_plus_#res#1_1|) (not (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= |v_thread3Thread1of1ForFork1_plus_#res#1_1| v_~res2~0_57) (not (= 0 (ite (or (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1| 2147483648)) (<= 0 |v_thread3Thread1of1ForFork1_plus_~b#1_1|)) 1 0))) (= |v_thread3Thread1of1ForFork1_plus_#in~b#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1|) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483648)) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| v_~res2~0_58) (= (select (select |v_#memory_int_51| v_~A~0.base_40) (+ (* |v_thread3Thread1of1ForFork1_~i~2#1_7| 4) v_~A~0.offset_40)) |v_thread3Thread1of1ForFork1_plus_#in~b#1_1|) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| |v_thread3Thread1of1ForFork1_plus_~a#1_1|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread3Thread1of1ForFork1_plus_~b#1_1| 0) (<= .cse0 2147483647)) 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][374], [154#true, 18#L57-2true, 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 5540#true, Black: 164#(and (= ~res2~0 ~res1~0) (= ~res1~0 0)), 97#L70true, 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4013#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4009#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 3261#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 4015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3997#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 183#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 4005#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4019#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3999#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3253#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 3255#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 4003#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2539#(<= 1 ~N~0), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 4828#(<= 1 ~N~0), 157#true, Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 4796#(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) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4764#(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: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4776#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4766#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4762#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 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tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:03,997 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:03,998 INFO L382 tUnfolder$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][911], [154#true, 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)), 4804#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 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(<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4766#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4762#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~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)), Black: 1722#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1720#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1736#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2501#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1716#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2503#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 968#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1740#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2486#(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: 1728#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 980#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= ~M~0 0)), Black: 974#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 976#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= ~M~0 0)), Black: 1732#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2505#(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) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1718#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2484#(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)), 23#L68true, Black: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1734#(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| ~N~0))), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~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: 2507#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 37#L90-2true, Black: 1726#(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: 1742#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)))]) [2021-12-14 16:53:03,998 INFO L384 tUnfolder$Statistics]: this new event has 112 ancestors and is cut-off event [2021-12-14 16:53:03,998 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:03,998 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:03,998 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:04,055 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 (= .cse0 |v_thread3Thread1of1ForFork1_plus_#res#1_1|) (not (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= |v_thread3Thread1of1ForFork1_plus_#res#1_1| v_~res2~0_57) (not (= 0 (ite (or (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1| 2147483648)) (<= 0 |v_thread3Thread1of1ForFork1_plus_~b#1_1|)) 1 0))) (= |v_thread3Thread1of1ForFork1_plus_#in~b#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1|) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483648)) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| v_~res2~0_58) (= (select (select |v_#memory_int_51| v_~A~0.base_40) (+ (* |v_thread3Thread1of1ForFork1_~i~2#1_7| 4) v_~A~0.offset_40)) |v_thread3Thread1of1ForFork1_plus_#in~b#1_1|) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| |v_thread3Thread1of1ForFork1_plus_~a#1_1|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread3Thread1of1ForFork1_plus_~b#1_1| 0) (<= .cse0 2147483647)) 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][374], [154#true, 18#L57-2true, 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 5540#true, Black: 164#(and (= ~res2~0 ~res1~0) (= ~res1~0 0)), 97#L70true, 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 40#L91-1true, Black: 4013#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4009#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 183#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 4005#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4019#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 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tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:04,056 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:04,056 INFO L382 tUnfolder$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][911], [154#true, 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)), 4804#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1742#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)))]) [2021-12-14 16:53:04,056 INFO L384 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2021-12-14 16:53:04,056 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:04,056 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:04,056 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:04,162 INFO L129 PetriNetUnfolder]: 10806/20044 cut-off events. [2021-12-14 16:53:04,163 INFO L130 PetriNetUnfolder]: For 200315/201727 co-relation queries the response was YES. [2021-12-14 16:53:04,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95314 conditions, 20044 events. 10806/20044 cut-off events. For 200315/201727 co-relation queries the response was YES. Maximal size of possible extension queue 1042. Compared 178490 event pairs, 1838 based on Foata normal form. 301/19853 useless extension candidates. Maximal degree in co-relation 95252. Up to 9746 conditions per place. [2021-12-14 16:53:04,637 INFO L132 encePairwiseOnDemand]: 127/153 looper letters, 629 selfloop transitions, 181 changer transitions 4/983 dead transitions. [2021-12-14 16:53:04,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 983 transitions, 14943 flow [2021-12-14 16:53:04,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-14 16:53:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-12-14 16:53:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2034 transitions. [2021-12-14 16:53:04,641 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.47478991596638653 [2021-12-14 16:53:04,641 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2034 transitions. [2021-12-14 16:53:04,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2034 transitions. [2021-12-14 16:53:04,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:53:04,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2034 transitions. [2021-12-14 16:53:04,645 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) [2021-12-14 16:53:04,650 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) [2021-12-14 16:53:04,651 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) [2021-12-14 16:53:04,651 INFO L186 Difference]: Start difference. First operand has 286 places, 495 transitions, 6426 flow. Second operand 28 states and 2034 transitions. [2021-12-14 16:53:04,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 983 transitions, 14943 flow [2021-12-14 16:53:06,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 983 transitions, 14742 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-12-14 16:53:06,351 INFO L242 Difference]: Finished difference. Result has 320 places, 657 transitions, 9869 flow [2021-12-14 16:53:06,352 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=6319, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=9869, PETRI_PLACES=320, PETRI_TRANSITIONS=657} [2021-12-14 16:53:06,353 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 183 predicate places. [2021-12-14 16:53:06,353 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 657 transitions, 9869 flow [2021-12-14 16:53:06,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 69.78125) internal successors, (2233), 32 states have internal predecessors, (2233), 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) [2021-12-14 16:53:06,354 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:53:06,354 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] [2021-12-14 16:53:06,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-14 16:53:06,568 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 [2021-12-14 16:53:06,569 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:53:06,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:53:06,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1070016880, now seen corresponding path program 2 times [2021-12-14 16:53:06,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:53:06,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978751883] [2021-12-14 16:53:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:53:06,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:53:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:53:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:53:06,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:53:06,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978751883] [2021-12-14 16:53:06,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978751883] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:53:06,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892412553] [2021-12-14 16:53:06,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 16:53:06,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:53:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:53:06,966 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) [2021-12-14 16:53:06,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-14 16:53:07,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 16:53:07,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:53:07,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-14 16:53:07,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:53:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 16:53:07,787 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 [2021-12-14 16:53:07,850 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 [2021-12-14 16:53:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:53:07,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:53:08,137 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_365 (Array Int Int))) (< (+ c_~res2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_365) c_~A~0.base) c_~A~0.offset)) (+ c_~res1~0 1))) (forall ((v_ArrVal_365 (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_365) c_~A~0.base) c_~A~0.offset))))) is different from false [2021-12-14 16:53:08,235 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 16:53:08,235 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 [2021-12-14 16:53:08,239 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 [2021-12-14 16:53:08,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 16:53:08,268 INFO L354 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2021-12-14 16:53:08,269 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 [2021-12-14 16:53:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2021-12-14 16:53:08,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892412553] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:53:08,859 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:53:08,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 16] total 38 [2021-12-14 16:53:08,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437677751] [2021-12-14 16:53:08,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:53:08,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-12-14 16:53:08,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:53:08,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-12-14 16:53:08,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1172, Unknown=1, NotChecked=70, Total=1406 [2021-12-14 16:53:08,864 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 153 [2021-12-14 16:53:08,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 657 transitions, 9869 flow. Second operand has 38 states, 38 states have (on average 75.73684210526316) internal successors, (2878), 38 states have internal predecessors, (2878), 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) [2021-12-14 16:53:08,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:53:08,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 153 [2021-12-14 16:53:08,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:53:13,866 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][119], [30#L90-1true, 154#true, 1736#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 4778#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 3255#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), 46#L60true, 5540#true, 974#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 164#(and (= ~res2~0 ~res1~0) (= ~res1~0 0)), 2509#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4013#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4009#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6326#(and (< (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) 1)) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (<= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 4007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6323#(and (< (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) 1)) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (<= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), 144#L47-3true, Black: 183#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 4005#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5553#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 3261#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 4019#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6330#(and (<= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 3999#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5552#(and (= ~A~0.offset 0) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4))) ~res1~0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 3253#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 4003#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6313#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~res1~0 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6317#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5554#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 2539#(<= 1 ~N~0), Black: 5551#(and (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0) (= ~A~0.offset 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~res2~0 0)), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6321#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 5550#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 6328#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 157#true, 4828#(<= 1 ~N~0), Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4764#(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: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4776#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4766#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4762#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~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)), Black: 1722#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1720#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1713#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= 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|thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 6344#true, 38#L67-5true]) [2021-12-14 16:53:13,866 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,867 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,867 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,867 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,871 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([574] L57-2-->L57-3: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_11| (+ |v_thread2Thread1of1ForFork0_#t~post4#1_3| 1)) InVars {thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_3|} OutVars{thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_3|, 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 6344#true, 38#L67-5true, 1711#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0))]) [2021-12-14 16:53:13,871 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,871 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,872 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-14 16:53:13,872 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-14 16:53:14,096 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([564] L47-2-->L47-3: Formula: (= |v_thread1Thread1of1ForFork2_~i~0#1_11| (+ 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cut-off event [2021-12-14 16:53:14,097 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-14 16:53:14,097 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-14 16:53:14,097 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-14 16:53:14,097 INFO L382 tUnfolder$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][915], [30#L90-1true, 154#true, 2539#(<= 1 ~N~0), 972#(and (<= 1 ~N~0) (<= 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|thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 6313#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~res1~0 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6317#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5554#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 5551#(and (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0) (= ~A~0.offset 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~res2~0 0)), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6321#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), 44#L57-3true, Black: 5550#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 6328#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 157#true, Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4764#(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: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4776#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4762#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~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)), Black: 1722#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1720#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~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)), 3997#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1736#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2501#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1716#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2503#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1740#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 968#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1728#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 980#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= ~M~0 0)), Black: 2486#(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: 974#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2505#(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)), Black: 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1734#(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| ~N~0))), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2507#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1726#(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: 1742#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 6344#true, 38#L67-5true, 5#L47-2true, 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))]) [2021-12-14 16:53:14,097 INFO L384 tUnfolder$Statistics]: this new event has 101 ancestors and is cut-off event [2021-12-14 16:53:14,097 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-14 16:53:14,098 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-14 16:53:14,098 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-12-14 16:53:15,188 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 (= .cse0 |v_thread3Thread1of1ForFork1_plus_#res#1_1|) (not (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= |v_thread3Thread1of1ForFork1_plus_#res#1_1| v_~res2~0_57) (not (= 0 (ite (or (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1| 2147483648)) (<= 0 |v_thread3Thread1of1ForFork1_plus_~b#1_1|)) 1 0))) (= |v_thread3Thread1of1ForFork1_plus_#in~b#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1|) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483648)) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| v_~res2~0_58) (= (select (select |v_#memory_int_51| v_~A~0.base_40) (+ (* |v_thread3Thread1of1ForFork1_~i~2#1_7| 4) v_~A~0.offset_40)) |v_thread3Thread1of1ForFork1_plus_#in~b#1_1|) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| |v_thread3Thread1of1ForFork1_plus_~a#1_1|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread3Thread1of1ForFork1_plus_~b#1_1| 0) (<= .cse0 2147483647)) 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][448], [18#L57-2true, 154#true, 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 5540#true, Black: 164#(and (= ~res2~0 ~res1~0) (= ~res1~0 0)), 97#L70true, 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4013#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4009#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 3261#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 4015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3997#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6326#(and (< (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) 1)) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (<= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 4007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 183#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6323#(and (< (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) 1)) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (<= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 5553#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 4005#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4019#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6330#(and (<= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 3999#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3253#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 5552#(and (= ~A~0.offset 0) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4))) ~res1~0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 3255#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 4003#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6313#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~res1~0 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6317#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 2539#(<= 1 ~N~0), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5554#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5551#(and (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0) (= ~A~0.offset 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~res2~0 0)), Black: 6321#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 5550#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 6328#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 4828#(<= 1 ~N~0), 157#true, Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4764#(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)), 4796#(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) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 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|ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~res1~0 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6317#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 2539#(<= 1 ~N~0), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5554#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5551#(and (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0) (= ~A~0.offset 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~res2~0 0)), Black: 6321#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), 44#L57-3true, Black: 5550#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 6328#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 157#true, 4828#(<= 1 ~N~0), Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4764#(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: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4776#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4766#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4762#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~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)), Black: 1722#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1720#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1736#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2501#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1716#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2503#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1740#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2493#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 968#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1728#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 980#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= ~M~0 0)), Black: 2486#(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: 974#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1732#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2505#(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) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 976#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= ~M~0 0)), Black: 1718#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 23#L68true, Black: 2484#(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: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1734#(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| ~N~0))), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2507#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~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)), 37#L90-2true, Black: 1726#(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: 1742#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 6344#true]) [2021-12-14 16:53:15,190 INFO L384 tUnfolder$Statistics]: this new event has 112 ancestors and is cut-off event [2021-12-14 16:53:15,190 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:15,190 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:15,190 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-14 16:53:15,407 INFO L382 tUnfolder$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 (= .cse0 |v_thread3Thread1of1ForFork1_plus_#res#1_1|) (not (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= |v_thread3Thread1of1ForFork1_plus_#res#1_1| v_~res2~0_57) (not (= 0 (ite (or (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_~a#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1| 2147483648)) (<= 0 |v_thread3Thread1of1ForFork1_plus_~b#1_1|)) 1 0))) (= |v_thread3Thread1of1ForFork1_plus_#in~b#1_1| |v_thread3Thread1of1ForFork1_plus_~b#1_1|) (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483648)) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| v_~res2~0_58) (= (select (select |v_#memory_int_51| v_~A~0.base_40) (+ (* |v_thread3Thread1of1ForFork1_~i~2#1_7| 4) v_~A~0.offset_40)) |v_thread3Thread1of1ForFork1_plus_#in~b#1_1|) (= |v_thread3Thread1of1ForFork1_plus_#in~a#1_1| |v_thread3Thread1of1ForFork1_plus_~a#1_1|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| (ite (or (<= |v_thread3Thread1of1ForFork1_plus_~b#1_1| 0) (<= .cse0 2147483647)) 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][448], [154#true, 18#L57-2true, 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 5540#true, Black: 164#(and (= ~res2~0 ~res1~0) (= ~res1~0 0)), 97#L70true, 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 40#L91-1true, Black: 4013#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4009#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 3261#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 4015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3997#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6326#(and (< (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) 1)) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (<= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 4007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 183#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6323#(and (< (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)) (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) 1)) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (<= (+ ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int| ~A~0.base) ~A~0.offset)))), Black: 5553#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 4005#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4019#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6330#(and (<= ~res1~0 ~res2~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 3999#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 3253#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 5552#(and (= ~A~0.offset 0) (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4))) ~res1~0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0)), Black: 3255#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 4003#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6313#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~res1~0 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6317#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 2539#(<= 1 ~N~0), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5554#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5551#(and (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0) (= ~A~0.offset 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~res2~0 0)), Black: 6321#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 5550#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 6328#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 4828#(<= 1 ~N~0), 157#true, Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), 4796#(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) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4764#(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: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4776#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= 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(= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~res1~0 0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3257#(and (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)) (<= 1 ~N~0)), Black: 4001#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 6317#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= ~A~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (= ~A~0.offset 0) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ ~A~0.base 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~res1~0 ~res2~0) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (< (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~res2~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 2539#(<= 1 ~N~0), Black: 4011#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |thread3Thread1of1ForFork1_~i~2#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5554#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1))), Black: 4017#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 5551#(and (<= (select (select |#memory_int| ~A~0.base) 0) ~res1~0) (= ~A~0.offset 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) 0)) (= ~res2~0 0)), Black: 6321#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* |thread2Thread1of1ForFork0_~i~1#1| 4)))) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), 44#L57-3true, Black: 5550#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~res1~0 (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset))) (= ~res2~0 0) (<= (select (select |#memory_int| ~A~0.base) (+ (* |thread1Thread1of1ForFork2_~i~0#1| 4) ~A~0.offset)) ~res1~0)), Black: 6328#(and (<= ~res1~0 ~res2~0) (< ~res2~0 (+ ~res1~0 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 157#true, 4828#(<= 1 ~N~0), Black: 4780#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4784#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 4764#(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: 4770#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4768#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4776#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4766#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 4762#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~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)), Black: 1722#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1720#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1736#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2501#(and (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1716#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2503#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 982#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1740#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2493#(and (<= 1 ~N~0) (<= 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 974#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1732#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 2505#(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) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 976#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= ~M~0 0)), Black: 1718#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), 23#L68true, Black: 2484#(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: 2495#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0)), Black: 1746#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2497#(and (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 1734#(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| ~N~0))), Black: 2499#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~0)), Black: 2507#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 ~M~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: 1726#(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: 1742#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 6344#true]) [2021-12-14 16:53:15,409 INFO L384 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2021-12-14 16:53:15,409 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:15,409 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:15,409 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-14 16:53:15,534 INFO L129 PetriNetUnfolder]: 14443/26584 cut-off events. [2021-12-14 16:53:15,534 INFO L130 PetriNetUnfolder]: For 300474/303211 co-relation queries the response was YES. [2021-12-14 16:53:15,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136387 conditions, 26584 events. 14443/26584 cut-off events. For 300474/303211 co-relation queries the response was YES. Maximal size of possible extension queue 1521. Compared 246295 event pairs, 1925 based on Foata normal form. 639/26526 useless extension candidates. Maximal degree in co-relation 136313. Up to 13401 conditions per place. [2021-12-14 16:53:16,043 INFO L132 encePairwiseOnDemand]: 128/153 looper letters, 892 selfloop transitions, 213 changer transitions 4/1285 dead transitions. [2021-12-14 16:53:16,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 1285 transitions, 22042 flow [2021-12-14 16:53:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-14 16:53:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-12-14 16:53:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2010 transitions. [2021-12-14 16:53:16,046 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5254901960784314 [2021-12-14 16:53:16,046 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2010 transitions. [2021-12-14 16:53:16,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2010 transitions. [2021-12-14 16:53:16,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:53:16,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2010 transitions. [2021-12-14 16:53:16,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 80.4) internal successors, (2010), 25 states have internal predecessors, (2010), 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) [2021-12-14 16:53:16,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 153.0) internal successors, (3978), 26 states have internal predecessors, (3978), 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) [2021-12-14 16:53:16,055 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 153.0) internal successors, (3978), 26 states have internal predecessors, (3978), 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) [2021-12-14 16:53:16,055 INFO L186 Difference]: Start difference. First operand has 320 places, 657 transitions, 9869 flow. Second operand 25 states and 2010 transitions. [2021-12-14 16:53:16,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 1285 transitions, 22042 flow [2021-12-14 16:53:19,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 1285 transitions, 21847 flow, removed 70 selfloop flow, removed 17 redundant places. [2021-12-14 16:53:19,770 INFO L242 Difference]: Finished difference. Result has 334 places, 815 transitions, 13245 flow [2021-12-14 16:53:19,771 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=9768, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=13245, PETRI_PLACES=334, PETRI_TRANSITIONS=815} [2021-12-14 16:53:19,772 INFO L334 CegarLoopForPetriNet]: 137 programPoint places, 197 predicate places. [2021-12-14 16:53:19,772 INFO L470 AbstractCegarLoop]: Abstraction has has 334 places, 815 transitions, 13245 flow [2021-12-14 16:53:19,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 75.73684210526316) internal successors, (2878), 38 states have internal predecessors, (2878), 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) [2021-12-14 16:53:19,773 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:53:19,773 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] [2021-12-14 16:53:19,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-14 16:53:19,984 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 [2021-12-14 16:53:19,985 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:53:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:53:19,985 INFO L85 PathProgramCache]: Analyzing trace with hash 473140028, now seen corresponding path program 3 times [2021-12-14 16:53:19,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:53:19,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696500191] [2021-12-14 16:53:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:53:19,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:53:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:53:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:53:20,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:53:20,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696500191] [2021-12-14 16:53:20,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696500191] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 16:53:20,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453582872] [2021-12-14 16:53:20,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-14 16:53:20,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 16:53:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:53:20,357 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) [2021-12-14 16:53:20,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-14 16:53:20,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-14 16:53:20,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 16:53:20,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-14 16:53:20,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 16:53:21,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 16:53:21,187 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 [2021-12-14 16:53:21,268 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 [2021-12-14 16:53:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 16:53:21,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 16:53:21,551 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_398 (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_398) c_~A~0.base) c_~A~0.offset)))) (forall ((v_ArrVal_398 (Array Int Int))) (< (+ c_~res2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_398) c_~A~0.base) c_~A~0.offset)) (+ c_~res1~0 1)))) is different from false [2021-12-14 16:53:21,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 16:53:21,624 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 48 treesize of output 40 [2021-12-14 16:53:21,627 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 14 treesize of output 12 [2021-12-14 16:53:21,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 16:53:21,652 INFO L354 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2021-12-14 16:53:21,652 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 19 treesize of output 12 [2021-12-14 16:53:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2021-12-14 16:53:22,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453582872] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 16:53:22,227 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 16:53:22,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 16] total 37 [2021-12-14 16:53:22,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104589580] [2021-12-14 16:53:22,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 16:53:22,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-12-14 16:53:22,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:53:22,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-12-14 16:53:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1107, Unknown=1, NotChecked=68, Total=1332 [2021-12-14 16:53:22,229 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 153 [2021-12-14 16:53:22,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 815 transitions, 13245 flow. Second operand has 37 states, 37 states have (on average 75.83783783783784) internal successors, (2806), 37 states have internal predecessors, (2806), 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) [2021-12-14 16:53:22,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:53:22,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 153 [2021-12-14 16:53:22,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand