/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-3902331-m [2022-09-20 23:02:38,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 23:02:38,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 23:02:38,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 23:02:38,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 23:02:38,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 23:02:38,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 23:02:38,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 23:02:38,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 23:02:38,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 23:02:38,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 23:02:38,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 23:02:38,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 23:02:38,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 23:02:38,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 23:02:38,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 23:02:38,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 23:02:38,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 23:02:38,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 23:02:38,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 23:02:38,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 23:02:38,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 23:02:38,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 23:02:38,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 23:02:38,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-20 23:02:38,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-20 23:02:38,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-20 23:02:38,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-20 23:02:38,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-20 23:02:38,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-20 23:02:38,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 23:02:38,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 23:02:38,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 23:02:38,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 23:02:38,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 23:02:38,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 23:02:38,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 23:02:38,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 23:02:38,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 23:02:38,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 23:02:38,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 23:02:38,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-20 23:02:38,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 23:02:38,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 23:02:38,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 23:02:38,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 23:02:38,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 23:02:38,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 23:02:38,532 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 23:02:38,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 23:02:38,533 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 23:02:38,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 23:02:38,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 23:02:38,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 23:02:38,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 23:02:38,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 23:02:38,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 23:02:38,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 23:02:38,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 23:02:38,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 23:02:38,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 23:02:38,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 23:02:38,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 23:02:38,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 23:02:38,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 23:02:38,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 23:02:38,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 23:02:38,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 23:02:38,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 23:02:38,713 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 23:02:38,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-09-20 23:02:38,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc3eb7b2/c8e6ec7d3bd84f36b9ae1e0d50470a2f/FLAGae3189ca9 [2022-09-20 23:02:39,138 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 23:02:39,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-09-20 23:02:39,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc3eb7b2/c8e6ec7d3bd84f36b9ae1e0d50470a2f/FLAGae3189ca9 [2022-09-20 23:02:39,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc3eb7b2/c8e6ec7d3bd84f36b9ae1e0d50470a2f [2022-09-20 23:02:39,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 23:02:39,566 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 23:02:39,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 23:02:39,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 23:02:39,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 23:02:39,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b60fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39, skipping insertion in model container [2022-09-20 23:02:39,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 23:02:39,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 23:02:39,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-09-20 23:02:39,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 23:02:39,775 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 23:02:39,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-09-20 23:02:39,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 23:02:39,823 INFO L208 MainTranslator]: Completed translation [2022-09-20 23:02:39,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39 WrapperNode [2022-09-20 23:02:39,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 23:02:39,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 23:02:39,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 23:02:39,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 23:02:39,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,865 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 315 [2022-09-20 23:02:39,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 23:02:39,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 23:02:39,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 23:02:39,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 23:02:39,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 23:02:39,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 23:02:39,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 23:02:39,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 23:02:39,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (1/1) ... [2022-09-20 23:02:39,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 23:02:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 23:02:39,929 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) [2022-09-20 23:02:39,938 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 [2022-09-20 23:02:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 23:02:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-20 23:02:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-20 23:02:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-20 23:02:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-09-20 23:02:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-20 23:02:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-20 23:02:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-20 23:02:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 23:02:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 23:02:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 23:02:39,964 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 23:02:40,060 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 23:02:40,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 23:02:40,346 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 23:02:40,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 23:02:40,438 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-20 23:02:40,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:02:40 BoogieIcfgContainer [2022-09-20 23:02:40,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 23:02:40,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 23:02:40,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 23:02:40,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 23:02:40,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 11:02:39" (1/3) ... [2022-09-20 23:02:40,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd6545e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 11:02:40, skipping insertion in model container [2022-09-20 23:02:40,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:02:39" (2/3) ... [2022-09-20 23:02:40,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd6545e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 11:02:40, skipping insertion in model container [2022-09-20 23:02:40,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:02:40" (3/3) ... [2022-09-20 23:02:40,446 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2022-09-20 23:02:40,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 23:02:40,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 23:02:40,458 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 23:02:40,502 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-09-20 23:02:40,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 245 transitions, 522 flow [2022-09-20 23:02:40,603 INFO L130 PetriNetUnfolder]: 19/241 cut-off events. [2022-09-20 23:02:40,603 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-09-20 23:02:40,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 241 events. 19/241 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 113 event pairs, 0 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2022-09-20 23:02:40,609 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 245 transitions, 522 flow [2022-09-20 23:02:40,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 228 transitions, 480 flow [2022-09-20 23:02:40,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 23:02:40,624 INFO L357 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=false, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b8b2be6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 23:02:40,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-20 23:02:40,653 INFO L130 PetriNetUnfolder]: 19/227 cut-off events. [2022-09-20 23:02:40,653 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-09-20 23:02:40,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:02:40,654 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:02:40,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:02:40,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:02:40,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2003774332, now seen corresponding path program 1 times [2022-09-20 23:02:40,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:02:40,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490962095] [2022-09-20 23:02:40,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:02:40,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:02:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:02:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:02:40,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:02:40,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490962095] [2022-09-20 23:02:40,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490962095] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 23:02:40,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 23:02:40,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-20 23:02:40,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443416223] [2022-09-20 23:02:40,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 23:02:40,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-20 23:02:40,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:02:40,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-20 23:02:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-20 23:02:40,852 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 245 [2022-09-20 23:02:40,854 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 228 transitions, 480 flow. Second operand has 2 states, 2 states have (on average 224.5) internal successors, (449), 2 states have internal predecessors, (449), 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) [2022-09-20 23:02:40,854 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:02:40,854 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 245 [2022-09-20 23:02:40,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:02:40,983 INFO L130 PetriNetUnfolder]: 123/530 cut-off events. [2022-09-20 23:02:40,983 INFO L131 PetriNetUnfolder]: For 105/106 co-relation queries the response was YES. [2022-09-20 23:02:40,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 530 events. 123/530 cut-off events. For 105/106 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1686 event pairs, 51 based on Foata normal form. 126/594 useless extension candidates. Maximal degree in co-relation 504. Up to 163 conditions per place. [2022-09-20 23:02:40,991 INFO L137 encePairwiseOnDemand]: 232/245 looper letters, 12 selfloop transitions, 0 changer transitions 7/215 dead transitions. [2022-09-20 23:02:40,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 215 transitions, 478 flow [2022-09-20 23:02:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-20 23:02:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-09-20 23:02:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 463 transitions. [2022-09-20 23:02:41,006 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9448979591836735 [2022-09-20 23:02:41,006 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 463 transitions. [2022-09-20 23:02:41,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 463 transitions. [2022-09-20 23:02:41,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:02:41,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 463 transitions. [2022-09-20 23:02:41,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 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) [2022-09-20 23:02:41,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2022-09-20 23:02:41,022 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2022-09-20 23:02:41,024 INFO L175 Difference]: Start difference. First operand has 222 places, 228 transitions, 480 flow. Second operand 2 states and 463 transitions. [2022-09-20 23:02:41,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 215 transitions, 478 flow [2022-09-20 23:02:41,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 215 transitions, 462 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-09-20 23:02:41,032 INFO L231 Difference]: Finished difference. Result has 215 places, 208 transitions, 424 flow [2022-09-20 23:02:41,033 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=424, PETRI_PLACES=215, PETRI_TRANSITIONS=208} [2022-09-20 23:02:41,038 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -7 predicate places. [2022-09-20 23:02:41,038 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 208 transitions, 424 flow [2022-09-20 23:02:41,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 224.5) internal successors, (449), 2 states have internal predecessors, (449), 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) [2022-09-20 23:02:41,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:02:41,039 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:02:41,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 23:02:41,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:02:41,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:02:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1041164293, now seen corresponding path program 1 times [2022-09-20 23:02:41,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:02:41,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658712684] [2022-09-20 23:02:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:02:41,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:02:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:02:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:02:41,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:02:41,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658712684] [2022-09-20 23:02:41,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658712684] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 23:02:41,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 23:02:41,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-20 23:02:41,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912498012] [2022-09-20 23:02:41,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 23:02:41,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-20 23:02:41,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:02:41,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-20 23:02:41,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-09-20 23:02:41,464 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 245 [2022-09-20 23:02:41,466 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 208 transitions, 424 flow. Second operand has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 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) [2022-09-20 23:02:41,466 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:02:41,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 245 [2022-09-20 23:02:41,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:02:41,883 INFO L130 PetriNetUnfolder]: 599/1332 cut-off events. [2022-09-20 23:02:41,883 INFO L131 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2022-09-20 23:02:41,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2244 conditions, 1332 events. 599/1332 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 6678 event pairs, 88 based on Foata normal form. 0/1196 useless extension candidates. Maximal degree in co-relation 2241. Up to 375 conditions per place. [2022-09-20 23:02:41,891 INFO L137 encePairwiseOnDemand]: 237/245 looper letters, 70 selfloop transitions, 8 changer transitions 0/237 dead transitions. [2022-09-20 23:02:41,893 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 237 transitions, 649 flow [2022-09-20 23:02:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-20 23:02:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-09-20 23:02:41,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1480 transitions. [2022-09-20 23:02:41,896 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7551020408163265 [2022-09-20 23:02:41,896 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1480 transitions. [2022-09-20 23:02:41,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1480 transitions. [2022-09-20 23:02:41,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:02:41,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1480 transitions. [2022-09-20 23:02:41,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 185.0) internal successors, (1480), 8 states have internal predecessors, (1480), 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) [2022-09-20 23:02:41,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 245.0) internal successors, (2205), 9 states have internal predecessors, (2205), 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) [2022-09-20 23:02:41,903 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 245.0) internal successors, (2205), 9 states have internal predecessors, (2205), 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) [2022-09-20 23:02:41,903 INFO L175 Difference]: Start difference. First operand has 215 places, 208 transitions, 424 flow. Second operand 8 states and 1480 transitions. [2022-09-20 23:02:41,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 237 transitions, 649 flow [2022-09-20 23:02:41,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 237 transitions, 649 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-09-20 23:02:41,911 INFO L231 Difference]: Finished difference. Result has 218 places, 212 transitions, 467 flow [2022-09-20 23:02:41,911 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=467, PETRI_PLACES=218, PETRI_TRANSITIONS=212} [2022-09-20 23:02:41,912 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -4 predicate places. [2022-09-20 23:02:41,912 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 212 transitions, 467 flow [2022-09-20 23:02:41,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 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) [2022-09-20 23:02:41,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:02:41,913 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:02:41,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-20 23:02:41,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:02:41,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:02:41,914 INFO L85 PathProgramCache]: Analyzing trace with hash -970428074, now seen corresponding path program 1 times [2022-09-20 23:02:41,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:02:41,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514178190] [2022-09-20 23:02:41,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:02:41,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:02:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:02:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:02:42,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:02:42,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514178190] [2022-09-20 23:02:42,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514178190] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 23:02:42,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 23:02:42,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-20 23:02:42,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632500104] [2022-09-20 23:02:42,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 23:02:42,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-20 23:02:42,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:02:42,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-20 23:02:42,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-09-20 23:02:42,161 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 245 [2022-09-20 23:02:42,162 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 212 transitions, 467 flow. Second operand has 7 states, 7 states have (on average 182.14285714285714) internal successors, (1275), 7 states have internal predecessors, (1275), 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) [2022-09-20 23:02:42,162 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:02:42,162 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 245 [2022-09-20 23:02:42,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:02:42,498 INFO L130 PetriNetUnfolder]: 678/1725 cut-off events. [2022-09-20 23:02:42,499 INFO L131 PetriNetUnfolder]: For 695/708 co-relation queries the response was YES. [2022-09-20 23:02:42,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 1725 events. 678/1725 cut-off events. For 695/708 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10410 event pairs, 147 based on Foata normal form. 13/1616 useless extension candidates. Maximal degree in co-relation 3208. Up to 395 conditions per place. [2022-09-20 23:02:42,512 INFO L137 encePairwiseOnDemand]: 237/245 looper letters, 74 selfloop transitions, 13 changer transitions 0/247 dead transitions. [2022-09-20 23:02:42,512 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 247 transitions, 749 flow [2022-09-20 23:02:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-20 23:02:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-09-20 23:02:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1492 transitions. [2022-09-20 23:02:42,515 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7612244897959184 [2022-09-20 23:02:42,515 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1492 transitions. [2022-09-20 23:02:42,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1492 transitions. [2022-09-20 23:02:42,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:02:42,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1492 transitions. [2022-09-20 23:02:42,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 186.5) internal successors, (1492), 8 states have internal predecessors, (1492), 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) [2022-09-20 23:02:42,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 245.0) internal successors, (2205), 9 states have internal predecessors, (2205), 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) [2022-09-20 23:02:42,522 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 245.0) internal successors, (2205), 9 states have internal predecessors, (2205), 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) [2022-09-20 23:02:42,522 INFO L175 Difference]: Start difference. First operand has 218 places, 212 transitions, 467 flow. Second operand 8 states and 1492 transitions. [2022-09-20 23:02:42,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 247 transitions, 749 flow [2022-09-20 23:02:42,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 247 transitions, 739 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-20 23:02:42,528 INFO L231 Difference]: Finished difference. Result has 225 places, 219 transitions, 547 flow [2022-09-20 23:02:42,529 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=547, PETRI_PLACES=225, PETRI_TRANSITIONS=219} [2022-09-20 23:02:42,530 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 3 predicate places. [2022-09-20 23:02:42,530 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 219 transitions, 547 flow [2022-09-20 23:02:42,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 182.14285714285714) internal successors, (1275), 7 states have internal predecessors, (1275), 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) [2022-09-20 23:02:42,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:02:42,531 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:02:42,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-20 23:02:42,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:02:42,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:02:42,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1870249679, now seen corresponding path program 1 times [2022-09-20 23:02:42,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:02:42,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743051712] [2022-09-20 23:02:42,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:02:42,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:02:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:02:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:02:42,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:02:42,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743051712] [2022-09-20 23:02:42,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743051712] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 23:02:42,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 23:02:42,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-20 23:02:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670914885] [2022-09-20 23:02:42,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 23:02:42,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-20 23:02:42,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:02:42,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-20 23:02:42,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-20 23:02:42,657 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 245 [2022-09-20 23:02:42,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 219 transitions, 547 flow. Second operand has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 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) [2022-09-20 23:02:42,658 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:02:42,658 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 245 [2022-09-20 23:02:42,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:02:42,916 INFO L130 PetriNetUnfolder]: 428/1435 cut-off events. [2022-09-20 23:02:42,917 INFO L131 PetriNetUnfolder]: For 1557/1589 co-relation queries the response was YES. [2022-09-20 23:02:42,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2891 conditions, 1435 events. 428/1435 cut-off events. For 1557/1589 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 8064 event pairs, 177 based on Foata normal form. 49/1353 useless extension candidates. Maximal degree in co-relation 2880. Up to 537 conditions per place. [2022-09-20 23:02:42,928 INFO L137 encePairwiseOnDemand]: 234/245 looper letters, 40 selfloop transitions, 8 changer transitions 21/244 dead transitions. [2022-09-20 23:02:42,928 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 244 transitions, 741 flow [2022-09-20 23:02:42,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-20 23:02:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-09-20 23:02:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1802 transitions. [2022-09-20 23:02:42,931 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8172335600907029 [2022-09-20 23:02:42,932 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1802 transitions. [2022-09-20 23:02:42,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1802 transitions. [2022-09-20 23:02:42,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:02:42,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1802 transitions. [2022-09-20 23:02:42,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 200.22222222222223) internal successors, (1802), 9 states have internal predecessors, (1802), 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) [2022-09-20 23:02:42,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 245.0) internal successors, (2450), 10 states have internal predecessors, (2450), 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) [2022-09-20 23:02:42,938 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 245.0) internal successors, (2450), 10 states have internal predecessors, (2450), 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) [2022-09-20 23:02:42,938 INFO L175 Difference]: Start difference. First operand has 225 places, 219 transitions, 547 flow. Second operand 9 states and 1802 transitions. [2022-09-20 23:02:42,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 244 transitions, 741 flow [2022-09-20 23:02:42,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 244 transitions, 730 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-09-20 23:02:42,945 INFO L231 Difference]: Finished difference. Result has 232 places, 220 transitions, 568 flow [2022-09-20 23:02:42,945 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=568, PETRI_PLACES=232, PETRI_TRANSITIONS=220} [2022-09-20 23:02:42,946 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 10 predicate places. [2022-09-20 23:02:42,946 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 220 transitions, 568 flow [2022-09-20 23:02:42,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 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) [2022-09-20 23:02:42,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:02:42,947 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:02:42,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-20 23:02:42,947 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:02:42,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:02:42,947 INFO L85 PathProgramCache]: Analyzing trace with hash -41346762, now seen corresponding path program 1 times [2022-09-20 23:02:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:02:42,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58023871] [2022-09-20 23:02:42,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:02:42,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:02:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:02:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:02:43,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:02:43,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58023871] [2022-09-20 23:02:43,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58023871] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 23:02:43,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027113751] [2022-09-20 23:02:43,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:02:43,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:02:43,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 23:02:43,557 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) [2022-09-20 23:02:43,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-09-20 23:02:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:02:43,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 64 conjunts are in the unsatisfiable core [2022-09-20 23:02:43,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 23:02:43,765 INFO L390 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 [2022-09-20 23:02:43,796 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-20 23:02:43,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-09-20 23:02:43,839 INFO L356 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-09-20 23:02:43,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30 [2022-09-20 23:02:44,469 INFO L356 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-09-20 23:02:44,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 34 [2022-09-20 23:02:44,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-09-20 23:02:45,401 INFO L390 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 [2022-09-20 23:02:45,522 INFO L390 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 [2022-09-20 23:02:45,604 INFO L390 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 [2022-09-20 23:02:45,673 INFO L390 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 [2022-09-20 23:02:45,951 INFO L390 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 23 treesize of output 7 [2022-09-20 23:02:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:02:45,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 23:02:47,630 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 23:02:47,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 61 [2022-09-20 23:02:47,636 INFO L390 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 1267 treesize of output 1235 [2022-09-20 23:02:47,645 INFO L390 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 1235 treesize of output 1187 [2022-09-20 23:02:47,657 INFO L390 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 595 treesize of output 499 [2022-09-20 23:02:47,666 INFO L390 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 1091 treesize of output 899 [2022-09-20 23:02:47,675 INFO L390 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 899 treesize of output 875 [2022-09-20 23:06:26,599 INFO L390 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 [2022-09-20 23:06:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:06:26,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027113751] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 23:06:26,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 23:06:26,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 29, 26] total 67 [2022-09-20 23:06:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552336692] [2022-09-20 23:06:26,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 23:06:26,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-09-20 23:06:26,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:06:26,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-09-20 23:06:26,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=3583, Unknown=72, NotChecked=0, Total=4422 [2022-09-20 23:06:26,626 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 245 [2022-09-20 23:06:26,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 220 transitions, 568 flow. Second operand has 67 states, 67 states have (on average 112.94029850746269) internal successors, (7567), 67 states have internal predecessors, (7567), 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) [2022-09-20 23:06:26,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:06:26,631 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 245 [2022-09-20 23:06:26,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:06:31,308 INFO L130 PetriNetUnfolder]: 4737/9568 cut-off events. [2022-09-20 23:06:31,308 INFO L131 PetriNetUnfolder]: For 11724/11891 co-relation queries the response was YES. [2022-09-20 23:06:31,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22397 conditions, 9568 events. 4737/9568 cut-off events. For 11724/11891 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 75665 event pairs, 314 based on Foata normal form. 66/9026 useless extension candidates. Maximal degree in co-relation 22384. Up to 3057 conditions per place. [2022-09-20 23:06:31,392 INFO L137 encePairwiseOnDemand]: 201/245 looper letters, 310 selfloop transitions, 125 changer transitions 16/552 dead transitions. [2022-09-20 23:06:31,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 552 transitions, 2662 flow [2022-09-20 23:06:31,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-09-20 23:06:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2022-09-20 23:06:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 6522 transitions. [2022-09-20 23:06:31,404 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.47536443148688046 [2022-09-20 23:06:31,404 INFO L72 ComplementDD]: Start complementDD. Operand 56 states and 6522 transitions. [2022-09-20 23:06:31,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 6522 transitions. [2022-09-20 23:06:31,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:06:31,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 56 states and 6522 transitions. [2022-09-20 23:06:31,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 57 states, 56 states have (on average 116.46428571428571) internal successors, (6522), 56 states have internal predecessors, (6522), 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) [2022-09-20 23:06:31,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 57 states, 57 states have (on average 245.0) internal successors, (13965), 57 states have internal predecessors, (13965), 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) [2022-09-20 23:06:31,432 INFO L81 ComplementDD]: Finished complementDD. Result has 57 states, 57 states have (on average 245.0) internal successors, (13965), 57 states have internal predecessors, (13965), 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) [2022-09-20 23:06:31,432 INFO L175 Difference]: Start difference. First operand has 232 places, 220 transitions, 568 flow. Second operand 56 states and 6522 transitions. [2022-09-20 23:06:31,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 552 transitions, 2662 flow [2022-09-20 23:06:31,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 552 transitions, 2606 flow, removed 18 selfloop flow, removed 6 redundant places. [2022-09-20 23:06:31,447 INFO L231 Difference]: Finished difference. Result has 308 places, 339 transitions, 1617 flow [2022-09-20 23:06:31,448 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=56, PETRI_FLOW=1617, PETRI_PLACES=308, PETRI_TRANSITIONS=339} [2022-09-20 23:06:31,448 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 86 predicate places. [2022-09-20 23:06:31,448 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 339 transitions, 1617 flow [2022-09-20 23:06:31,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 112.94029850746269) internal successors, (7567), 67 states have internal predecessors, (7567), 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) [2022-09-20 23:06:31,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:06:31,451 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:06:31,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-09-20 23:06:31,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:06:31,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:06:31,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:06:31,669 INFO L85 PathProgramCache]: Analyzing trace with hash 167436970, now seen corresponding path program 2 times [2022-09-20 23:06:31,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:06:31,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806467640] [2022-09-20 23:06:31,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:06:31,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:06:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:06:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:06:32,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:06:32,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806467640] [2022-09-20 23:06:32,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806467640] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 23:06:32,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214695029] [2022-09-20 23:06:32,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-20 23:06:32,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:06:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 23:06:32,715 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) [2022-09-20 23:06:32,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-20 23:06:32,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-20 23:06:32,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-20 23:06:32,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 51 conjunts are in the unsatisfiable core [2022-09-20 23:06:32,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 23:06:32,884 INFO L390 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 [2022-09-20 23:06:33,071 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-20 23:06:33,071 INFO L390 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 [2022-09-20 23:06:33,798 INFO L390 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 18 treesize of output 20 [2022-09-20 23:06:33,954 INFO L390 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 23 treesize of output 7 [2022-09-20 23:06:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:06:33,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 23:06:34,165 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 23:06:34,166 INFO L390 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 46 [2022-09-20 23:06:34,168 INFO L390 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 11 treesize of output 5 [2022-09-20 23:06:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:06:35,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214695029] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 23:06:35,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 23:06:35,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23, 23] total 61 [2022-09-20 23:06:35,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403952265] [2022-09-20 23:06:35,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 23:06:35,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-09-20 23:06:35,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:06:35,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-09-20 23:06:35,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=3420, Unknown=1, NotChecked=0, Total=3660 [2022-09-20 23:06:35,498 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 245 [2022-09-20 23:06:35,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 339 transitions, 1617 flow. Second operand has 61 states, 61 states have (on average 103.75409836065573) internal successors, (6329), 61 states have internal predecessors, (6329), 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) [2022-09-20 23:06:35,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:06:35,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 245 [2022-09-20 23:06:35,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:06:57,000 INFO L130 PetriNetUnfolder]: 42473/72441 cut-off events. [2022-09-20 23:06:57,000 INFO L131 PetriNetUnfolder]: For 159866/160502 co-relation queries the response was YES. [2022-09-20 23:06:57,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209084 conditions, 72441 events. 42473/72441 cut-off events. For 159866/160502 co-relation queries the response was YES. Maximal size of possible extension queue 3039. Compared 670940 event pairs, 3890 based on Foata normal form. 373/69100 useless extension candidates. Maximal degree in co-relation 209043. Up to 12630 conditions per place. [2022-09-20 23:06:58,444 INFO L137 encePairwiseOnDemand]: 190/245 looper letters, 662 selfloop transitions, 347 changer transitions 47/1144 dead transitions. [2022-09-20 23:06:58,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 1144 transitions, 7620 flow [2022-09-20 23:06:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-09-20 23:06:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2022-09-20 23:06:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 9577 transitions. [2022-09-20 23:06:58,455 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.4442022263450835 [2022-09-20 23:06:58,455 INFO L72 ComplementDD]: Start complementDD. Operand 88 states and 9577 transitions. [2022-09-20 23:06:58,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 9577 transitions. [2022-09-20 23:06:58,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:06:58,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 88 states and 9577 transitions. [2022-09-20 23:06:58,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 89 states, 88 states have (on average 108.82954545454545) internal successors, (9577), 88 states have internal predecessors, (9577), 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) [2022-09-20 23:06:58,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 89 states, 89 states have (on average 245.0) internal successors, (21805), 89 states have internal predecessors, (21805), 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) [2022-09-20 23:06:58,502 INFO L81 ComplementDD]: Finished complementDD. Result has 89 states, 89 states have (on average 245.0) internal successors, (21805), 89 states have internal predecessors, (21805), 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) [2022-09-20 23:06:58,502 INFO L175 Difference]: Start difference. First operand has 308 places, 339 transitions, 1617 flow. Second operand 88 states and 9577 transitions. [2022-09-20 23:06:58,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 1144 transitions, 7620 flow [2022-09-20 23:06:58,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 1144 transitions, 7318 flow, removed 138 selfloop flow, removed 22 redundant places. [2022-09-20 23:06:58,917 INFO L231 Difference]: Finished difference. Result has 406 places, 607 transitions, 4724 flow [2022-09-20 23:06:58,918 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=1267, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=88, PETRI_FLOW=4724, PETRI_PLACES=406, PETRI_TRANSITIONS=607} [2022-09-20 23:06:58,918 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 184 predicate places. [2022-09-20 23:06:58,918 INFO L495 AbstractCegarLoop]: Abstraction has has 406 places, 607 transitions, 4724 flow [2022-09-20 23:06:58,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 103.75409836065573) internal successors, (6329), 61 states have internal predecessors, (6329), 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) [2022-09-20 23:06:58,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:06:58,920 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:06:58,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-20 23:06:59,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-09-20 23:06:59,138 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:06:59,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:06:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1697674128, now seen corresponding path program 3 times [2022-09-20 23:06:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:06:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613978590] [2022-09-20 23:06:59,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:06:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:06:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:07:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:07:00,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:07:00,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613978590] [2022-09-20 23:07:00,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613978590] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 23:07:00,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155228893] [2022-09-20 23:07:00,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-20 23:07:00,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:07:00,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 23:07:00,064 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) [2022-09-20 23:07:00,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-20 23:07:00,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-09-20 23:07:00,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-20 23:07:00,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 68 conjunts are in the unsatisfiable core [2022-09-20 23:07:00,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 23:07:00,270 INFO L390 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 [2022-09-20 23:07:00,316 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-20 23:07:00,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-09-20 23:07:00,675 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-09-20 23:07:00,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-09-20 23:07:00,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-09-20 23:07:01,596 INFO L390 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 [2022-09-20 23:07:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-20 23:07:01,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2022-09-20 23:07:01,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2022-09-20 23:07:02,170 INFO L390 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 19 treesize of output 21 [2022-09-20 23:07:02,495 INFO L390 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 25 treesize of output 7 [2022-09-20 23:07:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:07:02,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 23:07:04,466 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 23:07:04,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 52 [2022-09-20 23:07:04,470 INFO L390 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 2723 treesize of output 2651 [2022-09-20 23:07:04,494 INFO L390 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 2630 treesize of output 2246 [2022-09-20 23:07:04,504 INFO L390 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 2246 treesize of output 2054 [2022-09-20 23:07:04,531 INFO L390 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 2054 treesize of output 1958 [2022-09-20 23:07:04,542 INFO L390 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 1971 treesize of output 1917 [2022-09-20 23:07:07,257 INFO L390 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 [2022-09-20 23:07:07,265 INFO L390 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 [2022-09-20 23:07:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:07:07,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155228893] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 23:07:07,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 23:07:07,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 31, 31] total 76 [2022-09-20 23:07:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547201726] [2022-09-20 23:07:07,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 23:07:07,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-09-20 23:07:07,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:07:07,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-09-20 23:07:07,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=5184, Unknown=73, NotChecked=0, Total=5700 [2022-09-20 23:07:07,341 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 245 [2022-09-20 23:07:07,345 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 607 transitions, 4724 flow. Second operand has 76 states, 76 states have (on average 98.92105263157895) internal successors, (7518), 76 states have internal predecessors, (7518), 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) [2022-09-20 23:07:07,345 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:07:07,345 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 245 [2022-09-20 23:07:07,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:07:09,071 WARN L833 $PredicateComparison]: unable to prove that (and (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t2~0#1.base|) (<= 0 c_~total~0) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228)) (.cse1 (+ (* ~q1_back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (<= c_~n1~0 ~q1_back~0) (< 0 (+ c_~total~0 (select (select (store (store (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1) 0) (< ~q1_back~0 0)))) (= c_~total~0 0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t1~0#1.base|)) is different from false [2022-09-20 23:07:26,657 INFO L130 PetriNetUnfolder]: 33667/56845 cut-off events. [2022-09-20 23:07:26,657 INFO L131 PetriNetUnfolder]: For 678307/680644 co-relation queries the response was YES. [2022-09-20 23:07:28,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311637 conditions, 56845 events. 33667/56845 cut-off events. For 678307/680644 co-relation queries the response was YES. Maximal size of possible extension queue 2416. Compared 504060 event pairs, 4846 based on Foata normal form. 1061/55306 useless extension candidates. Maximal degree in co-relation 311561. Up to 25398 conditions per place. [2022-09-20 23:07:28,707 INFO L137 encePairwiseOnDemand]: 198/245 looper letters, 592 selfloop transitions, 235 changer transitions 26/940 dead transitions. [2022-09-20 23:07:28,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 940 transitions, 9586 flow [2022-09-20 23:07:28,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-09-20 23:07:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2022-09-20 23:07:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 7009 transitions. [2022-09-20 23:07:28,712 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.4207082833133253 [2022-09-20 23:07:28,712 INFO L72 ComplementDD]: Start complementDD. Operand 68 states and 7009 transitions. [2022-09-20 23:07:28,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 7009 transitions. [2022-09-20 23:07:28,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:07:28,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 68 states and 7009 transitions. [2022-09-20 23:07:28,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 69 states, 68 states have (on average 103.07352941176471) internal successors, (7009), 68 states have internal predecessors, (7009), 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) [2022-09-20 23:07:28,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 69 states, 69 states have (on average 245.0) internal successors, (16905), 69 states have internal predecessors, (16905), 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) [2022-09-20 23:07:28,744 INFO L81 ComplementDD]: Finished complementDD. Result has 69 states, 69 states have (on average 245.0) internal successors, (16905), 69 states have internal predecessors, (16905), 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) [2022-09-20 23:07:28,744 INFO L175 Difference]: Start difference. First operand has 406 places, 607 transitions, 4724 flow. Second operand 68 states and 7009 transitions. [2022-09-20 23:07:28,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 940 transitions, 9586 flow [2022-09-20 23:07:32,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 940 transitions, 8046 flow, removed 724 selfloop flow, removed 54 redundant places. [2022-09-20 23:07:32,264 INFO L231 Difference]: Finished difference. Result has 427 places, 556 transitions, 4347 flow [2022-09-20 23:07:32,265 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=2521, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=68, PETRI_FLOW=4347, PETRI_PLACES=427, PETRI_TRANSITIONS=556} [2022-09-20 23:07:32,265 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 205 predicate places. [2022-09-20 23:07:32,265 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 556 transitions, 4347 flow [2022-09-20 23:07:32,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 98.92105263157895) internal successors, (7518), 76 states have internal predecessors, (7518), 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) [2022-09-20 23:07:32,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:07:32,267 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:07:32,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-09-20 23:07:32,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:07:32,484 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:07:32,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:07:32,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1873122487, now seen corresponding path program 1 times [2022-09-20 23:07:32,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:07:32,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20187501] [2022-09-20 23:07:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:07:32,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:07:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:07:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-09-20 23:07:32,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:07:32,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20187501] [2022-09-20 23:07:32,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20187501] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 23:07:32,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 23:07:32,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-20 23:07:32,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164918612] [2022-09-20 23:07:32,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 23:07:32,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-20 23:07:32,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:07:32,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-20 23:07:32,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-20 23:07:32,573 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 245 [2022-09-20 23:07:32,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 556 transitions, 4347 flow. Second operand has 6 states, 6 states have (on average 198.5) internal successors, (1191), 6 states have internal predecessors, (1191), 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) [2022-09-20 23:07:32,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:07:32,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 245 [2022-09-20 23:07:32,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:07:33,491 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([869] L95-->L88: Formula: (not (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_5| 256) 0)) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_5|} OutVars{thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_5|} AuxVars[] AssignedVars[][266], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) 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~q1~0.offset)) 0))))]) [2022-09-20 23:07:33,494 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,494 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,494 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,494 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,494 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L95-->L87-1: Formula: (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_3| 256) 0) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} OutVars{thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} AuxVars[] AssignedVars[][267], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ 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(store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:33,495 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,495 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,495 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-09-20 23:07:33,495 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-09-20 23:07:36,270 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([869] L95-->L88: Formula: (not (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_5| 256) 0)) InVars 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|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)), Black: 1558#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 1) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 1554#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= 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|ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:36,271 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,271 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,271 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,271 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,271 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L95-->L87-1: Formula: (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_3| 256) 0) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} OutVars{thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} AuxVars[] AssignedVars[][267], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) 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v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:36,272 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,272 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,272 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,272 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:36,273 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([863] L70-->L74: Formula: (let ((.cse2 (not |v_thread2_#t~short6#1_51|))) (and (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| 0)) (= (+ v_~q2_back~0_58 1) v_~q2_back~0_57) (let ((.cse1 (<= 0 v_~q2_back~0_58)) (.cse0 (< v_~q2_back~0_58 v_~n2~0_16))) (or (and .cse0 .cse1 |v_thread2_#t~short6#1_51|) (and .cse2 (or (not .cse1) (not .cse0))))) (= v_~j~0_34 (+ v_~j~0_35 1)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite |v_thread2_#t~short6#1_52| 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|) (or (and (= |v_thread2_#t~short6#1_51| |v_thread2_#t~short6#1_52|) .cse2 (= |v_thread2Thread1of1ForFork0_#t~mem5#1_1| |v_thread2_#t~mem5#1_32|)) (and (let ((.cse3 (= (- v_~C~0_17) |v_thread2_#t~mem5#1_32|))) (or (and (not |v_thread2_#t~short6#1_52|) (not .cse3)) (and .cse3 |v_thread2_#t~short6#1_52|))) |v_thread2_#t~short6#1_51| (= (select (select |v_#memory_int_63| v_~q2~0.base_29) (+ v_~q2~0.offset_29 (* v_~q2_back~0_58 4))) |v_thread2_#t~mem5#1_32|))))) InVars {~j~0=v_~j~0_35, ~n2~0=v_~n2~0_16, ~C~0=v_~C~0_17, ~q2~0.offset=v_~q2~0.offset_29, #memory_int=|v_#memory_int_63|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~q2~0.base=v_~q2~0.base_29, ~q2_back~0=v_~q2_back~0_58} OutVars{~j~0=v_~j~0_34, thread2Thread1of1ForFork0_#t~short6#1=|v_thread2Thread1of1ForFork0_#t~short6#1_1|, ~n2~0=v_~n2~0_16, ~C~0=v_~C~0_17, ~q2~0.offset=v_~q2~0.offset_29, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_#t~post7#1=|v_thread2Thread1of1ForFork0_#t~post7#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, #memory_int=|v_#memory_int_63|, ~q2~0.base=v_~q2~0.base_29, ~q2_back~0=v_~q2_back~0_57, thread2Thread1of1ForFork0_#t~post8#1=|v_thread2Thread1of1ForFork0_#t~post8#1_1|} AuxVars[|v_thread2_#t~short6#1_51|, |v_thread2_#t~short6#1_52|, |v_thread2_#t~mem5#1_32|] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~j~0, thread2Thread1of1ForFork0_#t~short6#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, thread2Thread1of1ForFork0_#t~post7#1, ~q2_back~0, thread2Thread1of1ForFork0_#t~post8#1][253], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base 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|ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 251#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3929#(or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| 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|#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4)))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 4408#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))) (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 3020#(and (or (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 3778#(or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0))), Black: 2952#(and (= ~total~0 0) (or (not (< ~q1_back~0 ~n1~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4))) (not (<= 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(= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 3016#(and (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 4390#(and (= ~total~0 0) (<= 0 ~total~0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) 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|ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0)))), Black: 3010#(and (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 3003#(and (or (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (= ~q1~0.offset 0) (or (<= 1 ~total~0) (<= (+ 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|ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:36,273 INFO L383 tUnfolder$Statistics]: this new event has 173 ancestors and is cut-off event [2022-09-20 23:07:36,273 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:36,273 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:36,273 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:37,681 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([879] L106-->L110: Formula: (let ((.cse0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|))) (and (= |v_thread4Thread1of1ForFork3_plus_#res#1_1| .cse0) (not (= (ite (or (<= 0 |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1| 2147483648))) 1 0) 0)) (= (select (select |v_#memory_int_55| v_~q2~0.base_25) (+ v_~q2~0.offset_25 (* 4 v_~q2_front~0_53))) |v_thread4Thread1of1ForFork3_plus_#in~b#1_1|) (= (+ v_~q2_front~0_53 1) v_~q2_front~0_52) (= (ite (or (<= .cse0 2147483647) (<= |v_thread4Thread1of1ForFork3_plus_~b#1_1| 0)) 1 0) |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= v_~total~0_56 |v_thread4Thread1of1ForFork3_plus_#in~a#1_1|) (= v_~total~0_55 |v_thread4Thread1of1ForFork3_plus_#res#1_1|) (<= |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483647) (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~b#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~a#1_1| |v_thread4Thread1of1ForFork3_plus_~a#1_1|) (not (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| 0)) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483648)) (not (= (ite (and (<= 0 v_~q2_front~0_53) (< v_~q2_front~0_53 v_~q2_back~0_47) (< v_~q2_front~0_53 v_~n2~0_14)) 1 0) 0)))) InVars {~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, #memory_int=|v_#memory_int_55|, ~q2_front~0=v_~q2_front~0_53, ~q2~0.base=v_~q2~0.base_25, ~q2_back~0=v_~q2_back~0_47, ~total~0=v_~total~0_56} OutVars{thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, ~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, thread4Thread1of1ForFork3_plus_#in~b#1=|v_thread4Thread1of1ForFork3_plus_#in~b#1_1|, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, thread4Thread1of1ForFork3_#t~ret13#1=|v_thread4Thread1of1ForFork3_#t~ret13#1_1|, ~q2_front~0=v_~q2_front~0_52, thread4Thread1of1ForFork3_#t~mem12#1=|v_thread4Thread1of1ForFork3_#t~mem12#1_1|, thread4Thread1of1ForFork3_plus_~b#1=|v_thread4Thread1of1ForFork3_plus_~b#1_1|, ~total~0=v_~total~0_55, thread4Thread1of1ForFork3_plus_#in~a#1=|v_thread4Thread1of1ForFork3_plus_#in~a#1_1|, #memory_int=|v_#memory_int_55|, thread4Thread1of1ForFork3_#t~post14#1=|v_thread4Thread1of1ForFork3_#t~post14#1_1|, ~q2~0.base=v_~q2~0.base_25, thread4Thread1of1ForFork3_plus_#res#1=|v_thread4Thread1of1ForFork3_plus_#res#1_1|, ~q2_back~0=v_~q2_back~0_47, thread4Thread1of1ForFork3_plus_~a#1=|v_thread4Thread1of1ForFork3_plus_~a#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork3_plus_#in~b#1, thread4Thread1of1ForFork3_plus_#in~a#1, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork3_#t~post14#1, thread4Thread1of1ForFork3_#t~ret13#1, ~q2_front~0, thread4Thread1of1ForFork3_plus_#res#1, thread4Thread1of1ForFork3_#t~mem12#1, thread4Thread1of1ForFork3_plus_~b#1, ~total~0, thread4Thread1of1ForFork3_plus_~a#1][401], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4458#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4384#(and (= ~total~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (or (< |ULTIMATE.start_create_fresh_int_array_~i~1#1| |ULTIMATE.start_create_fresh_int_array_~size#1|) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 0) (< ~q1_back~0 0) (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 251#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3929#(or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 3122#(<= 1 ~total~0), Black: 250#(and (= ~i~0 0) (<= 1 ~N~0)), Black: 2406#(or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 257#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (= ~i~0 0) (<= 1 ~N~0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3953#(forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))), Black: 3853#(or (not (< ~q1_front~0 ~q1_back~0)) (forall ((v_ArrVal_231 (Array Int Int))) (< 0 (+ ~total~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4)))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 2985#(and (<= 1 ~total~0) (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (not (< ~q1_back~0 ~n1~0)) (< 0 (+ ~total~0 ~C~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (<= ~n1~0 1) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4408#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))) (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 3020#(and (or (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* 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172 ancestors and is cut-off event [2022-09-20 23:07:38,232 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:38,232 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:38,233 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L95-->L87-1: Formula: (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_3| 256) 0) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} OutVars{thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} AuxVars[] AssignedVars[][267], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 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|ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_133) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)) (< 0 (+ ~total~0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_132) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_133) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))))) (< ~q1_back~0 ~q1_front~0) (not (<= 0 ~q1_front~0))), Black: 4062#(forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| 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v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 4366#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= 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|ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4435#(and (or (<= 1 ~total~0) (< ~q1_front~0 ~q1_back~0)) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), Black: 4405#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= 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v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:38,233 INFO L383 tUnfolder$Statistics]: this new event has 175 ancestors and is cut-off event [2022-09-20 23:07:38,233 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:38,233 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:38,233 INFO L386 tUnfolder$Statistics]: existing Event has 172 ancestors and is cut-off event [2022-09-20 23:07:38,937 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([863] L70-->L74: Formula: (let ((.cse2 (not |v_thread2_#t~short6#1_51|))) (and (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| 0)) (= (+ v_~q2_back~0_58 1) v_~q2_back~0_57) (let ((.cse1 (<= 0 v_~q2_back~0_58)) (.cse0 (< v_~q2_back~0_58 v_~n2~0_16))) (or (and .cse0 .cse1 |v_thread2_#t~short6#1_51|) (and .cse2 (or (not .cse1) (not .cse0))))) (= v_~j~0_34 (+ v_~j~0_35 1)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite |v_thread2_#t~short6#1_52| 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|) (or (and (= |v_thread2_#t~short6#1_51| |v_thread2_#t~short6#1_52|) .cse2 (= |v_thread2Thread1of1ForFork0_#t~mem5#1_1| |v_thread2_#t~mem5#1_32|)) (and (let ((.cse3 (= (- v_~C~0_17) |v_thread2_#t~mem5#1_32|))) (or (and (not |v_thread2_#t~short6#1_52|) (not .cse3)) (and .cse3 |v_thread2_#t~short6#1_52|))) |v_thread2_#t~short6#1_51| (= (select (select |v_#memory_int_63| v_~q2~0.base_29) (+ v_~q2~0.offset_29 (* v_~q2_back~0_58 4))) |v_thread2_#t~mem5#1_32|))))) InVars {~j~0=v_~j~0_35, ~n2~0=v_~n2~0_16, ~C~0=v_~C~0_17, ~q2~0.offset=v_~q2~0.offset_29, #memory_int=|v_#memory_int_63|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~q2~0.base=v_~q2~0.base_29, ~q2_back~0=v_~q2_back~0_58} OutVars{~j~0=v_~j~0_34, thread2Thread1of1ForFork0_#t~short6#1=|v_thread2Thread1of1ForFork0_#t~short6#1_1|, ~n2~0=v_~n2~0_16, ~C~0=v_~C~0_17, ~q2~0.offset=v_~q2~0.offset_29, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_#t~post7#1=|v_thread2Thread1of1ForFork0_#t~post7#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, #memory_int=|v_#memory_int_63|, ~q2~0.base=v_~q2~0.base_29, ~q2_back~0=v_~q2_back~0_57, thread2Thread1of1ForFork0_#t~post8#1=|v_thread2Thread1of1ForFork0_#t~post8#1_1|} AuxVars[|v_thread2_#t~short6#1_51|, |v_thread2_#t~short6#1_52|, |v_thread2_#t~mem5#1_32|] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~j~0, thread2Thread1of1ForFork0_#t~short6#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, thread2Thread1of1ForFork0_#t~post7#1, ~q2_back~0, thread2Thread1of1ForFork0_#t~post8#1][253], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4458#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4384#(and (= ~total~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (or (< |ULTIMATE.start_create_fresh_int_array_~i~1#1| |ULTIMATE.start_create_fresh_int_array_~size#1|) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 0) (< ~q1_back~0 0) (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 251#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3929#(or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| 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(not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (< |#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)), Black: 1554#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= 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|ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:38,938 INFO L383 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-09-20 23:07:38,938 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,938 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,938 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,945 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([869] L95-->L88: Formula: (not (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_5| 256) 0)) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_5|} OutVars{thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_5|} AuxVars[] AssignedVars[][266], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 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|ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_130) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_131) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_132) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_133) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))))) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc38#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc38#1.base_13|) 0)) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc38#1.base_13| |#StackHeapBarrier|)))) (< 0 (+ ~total~0 1)) (< ~n1~0 1) (< 1 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~q1_front~0 Int) (v_ArrVal_131 (Array Int Int)) (v_ArrVal_130 (Array Int Int)) (v_ArrVal_133 (Array Int Int)) (v_ArrVal_132 (Array Int Int))) (or (< ~q1_front~0 0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_130) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_131) |ULTIMATE.start_main_~#t3~0#1.base| 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|ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_132) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_133) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)) (< 0 (+ ~total~0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_132) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_133) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))))) (< ~q1_back~0 ~q1_front~0) (not (<= 0 ~q1_front~0))), Black: 4062#(forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))), Black: 3878#(or (not (< ~q1_front~0 ~q1_back~0)) (forall ((v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (< 0 (+ (select (select (store (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 4423#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= 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|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 1554#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 4437#(and (or (not (< ~q1_front~0 ~q1_back~0)) (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 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v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:38,945 INFO L383 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-09-20 23:07:38,945 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,945 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,945 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L95-->L87-1: Formula: (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_3| 256) 0) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} 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|ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (< |#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)), Black: 2972#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (= ~total~0 0) (<= 0 ~q1_front~0) (< ~q1_front~0 ~n1~0) (< 0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4)))) (= ~q1~0.offset 0) (<= ~n1~0 1) (<= (+ ~q1_front~0 1) ~q1_back~0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 1558#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 1) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 1554#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 4437#(and (or (not (< ~q1_front~0 ~q1_back~0)) (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), Black: 4450#(and (<= 1 ~total~0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4444#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4435#(and (or (<= 1 ~total~0) (< ~q1_front~0 ~q1_back~0)) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), Black: 4405#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0)))), Black: 3010#(and (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 3003#(and (or (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (= ~q1~0.offset 0) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (not (<= 0 ~M~0)) (not (= ~q1_back~0 ~q1_front~0)) (<= ~C~0 0) (<= ~N~0 ~M~0) (not (= ~q2_back~0 ~q2_front~0)))), Black: 4456#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4396#(and (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:38,946 INFO L383 tUnfolder$Statistics]: this new event has 176 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([863] L70-->L74: Formula: (let ((.cse2 (not |v_thread2_#t~short6#1_51|))) (and (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| 0)) (= (+ v_~q2_back~0_58 1) v_~q2_back~0_57) (let ((.cse1 (<= 0 v_~q2_back~0_58)) (.cse0 (< v_~q2_back~0_58 v_~n2~0_16))) (or (and .cse0 .cse1 |v_thread2_#t~short6#1_51|) (and .cse2 (or (not .cse1) (not .cse0))))) (= v_~j~0_34 (+ v_~j~0_35 1)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite |v_thread2_#t~short6#1_52| 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|) (or (and (= |v_thread2_#t~short6#1_51| |v_thread2_#t~short6#1_52|) .cse2 (= |v_thread2Thread1of1ForFork0_#t~mem5#1_1| |v_thread2_#t~mem5#1_32|)) (and (let ((.cse3 (= (- v_~C~0_17) |v_thread2_#t~mem5#1_32|))) (or (and (not |v_thread2_#t~short6#1_52|) (not .cse3)) (and .cse3 |v_thread2_#t~short6#1_52|))) |v_thread2_#t~short6#1_51| (= (select (select |v_#memory_int_63| v_~q2~0.base_29) (+ v_~q2~0.offset_29 (* v_~q2_back~0_58 4))) |v_thread2_#t~mem5#1_32|))))) InVars {~j~0=v_~j~0_35, ~n2~0=v_~n2~0_16, ~C~0=v_~C~0_17, ~q2~0.offset=v_~q2~0.offset_29, #memory_int=|v_#memory_int_63|, thread2Thread1of1ForFork0_#t~mem5#1=|v_thread2Thread1of1ForFork0_#t~mem5#1_1|, ~q2~0.base=v_~q2~0.base_29, ~q2_back~0=v_~q2_back~0_58} OutVars{~j~0=v_~j~0_34, thread2Thread1of1ForFork0_#t~short6#1=|v_thread2Thread1of1ForFork0_#t~short6#1_1|, ~n2~0=v_~n2~0_16, ~C~0=v_~C~0_17, ~q2~0.offset=v_~q2~0.offset_29, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_#t~post7#1=|v_thread2Thread1of1ForFork0_#t~post7#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, #memory_int=|v_#memory_int_63|, ~q2~0.base=v_~q2~0.base_29, ~q2_back~0=v_~q2_back~0_57, thread2Thread1of1ForFork0_#t~post8#1=|v_thread2Thread1of1ForFork0_#t~post8#1_1|} AuxVars[|v_thread2_#t~short6#1_51|, |v_thread2_#t~short6#1_52|, |v_thread2_#t~mem5#1_32|] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~j~0, thread2Thread1of1ForFork0_#t~short6#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem5#1, thread2Thread1of1ForFork0_#t~post7#1, ~q2_back~0, thread2Thread1of1ForFork0_#t~post8#1][253], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 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|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 0) (< ~q1_back~0 0) (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 251#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3929#(or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 3122#(<= 1 ~total~0), Black: 250#(and (= ~i~0 0) (<= 1 ~N~0)), Black: 2406#(or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 257#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (= ~i~0 0) (<= 1 ~N~0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3953#(forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array 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L383 tUnfolder$Statistics]: this new event has 177 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-09-20 23:07:38,946 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-09-20 23:07:40,244 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L95-->L87-1: Formula: (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_3| 256) 0) InVars {thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} OutVars{thread3Thread1of1ForFork1_~cond~2#1=|v_thread3Thread1of1ForFork1_~cond~2#1_3|} AuxVars[] AssignedVars[][267], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 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|ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:40,245 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([869] L95-->L88: Formula: (not (= (mod |v_thread3Thread1of1ForFork1_~cond~2#1_5| 256) 0)) InVars 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|ULTIMATE.start_create_fresh_int_array_~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 1) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 1554#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 4437#(and (or (not (< ~q1_front~0 ~q1_back~0)) (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), Black: 4450#(and (<= 1 ~total~0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4444#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4435#(and (or (<= 1 ~total~0) (< ~q1_front~0 ~q1_back~0)) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), 176#L143-4true, Black: 4405#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0)))), Black: 3010#(and (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 3003#(and (or (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (= ~q1~0.offset 0) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (not (<= 0 ~M~0)) (not (= ~q1_back~0 ~q1_front~0)) (<= ~C~0 0) (<= ~N~0 ~M~0) (not (= ~q2_back~0 ~q2_front~0)))), Black: 4456#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 2978#(and (<= 1 ~total~0) (or (not (< ~q1_back~0 ~n1~0)) (< 0 (+ ~total~0 ~C~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (<= ~n1~0 1) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4396#(and (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:40,245 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-09-20 23:07:40,245 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-09-20 23:07:41,735 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([879] L106-->L110: Formula: (let ((.cse0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|))) (and (= |v_thread4Thread1of1ForFork3_plus_#res#1_1| .cse0) (not (= (ite (or (<= 0 |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1| 2147483648))) 1 0) 0)) (= (select (select |v_#memory_int_55| v_~q2~0.base_25) (+ v_~q2~0.offset_25 (* 4 v_~q2_front~0_53))) |v_thread4Thread1of1ForFork3_plus_#in~b#1_1|) (= (+ v_~q2_front~0_53 1) v_~q2_front~0_52) (= (ite (or (<= .cse0 2147483647) (<= |v_thread4Thread1of1ForFork3_plus_~b#1_1| 0)) 1 0) |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= v_~total~0_56 |v_thread4Thread1of1ForFork3_plus_#in~a#1_1|) (= v_~total~0_55 |v_thread4Thread1of1ForFork3_plus_#res#1_1|) (<= |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483647) (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~b#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~a#1_1| |v_thread4Thread1of1ForFork3_plus_~a#1_1|) (not (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| 0)) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483648)) (not (= (ite (and (<= 0 v_~q2_front~0_53) (< v_~q2_front~0_53 v_~q2_back~0_47) (< v_~q2_front~0_53 v_~n2~0_14)) 1 0) 0)))) InVars {~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, #memory_int=|v_#memory_int_55|, ~q2_front~0=v_~q2_front~0_53, ~q2~0.base=v_~q2~0.base_25, ~q2_back~0=v_~q2_back~0_47, ~total~0=v_~total~0_56} OutVars{thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, ~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, thread4Thread1of1ForFork3_plus_#in~b#1=|v_thread4Thread1of1ForFork3_plus_#in~b#1_1|, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, thread4Thread1of1ForFork3_#t~ret13#1=|v_thread4Thread1of1ForFork3_#t~ret13#1_1|, ~q2_front~0=v_~q2_front~0_52, thread4Thread1of1ForFork3_#t~mem12#1=|v_thread4Thread1of1ForFork3_#t~mem12#1_1|, thread4Thread1of1ForFork3_plus_~b#1=|v_thread4Thread1of1ForFork3_plus_~b#1_1|, ~total~0=v_~total~0_55, thread4Thread1of1ForFork3_plus_#in~a#1=|v_thread4Thread1of1ForFork3_plus_#in~a#1_1|, #memory_int=|v_#memory_int_55|, thread4Thread1of1ForFork3_#t~post14#1=|v_thread4Thread1of1ForFork3_#t~post14#1_1|, ~q2~0.base=v_~q2~0.base_25, thread4Thread1of1ForFork3_plus_#res#1=|v_thread4Thread1of1ForFork3_plus_#res#1_1|, ~q2_back~0=v_~q2_back~0_47, thread4Thread1of1ForFork3_plus_~a#1=|v_thread4Thread1of1ForFork3_plus_~a#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork3_plus_#in~b#1, thread4Thread1of1ForFork3_plus_#in~a#1, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork3_#t~post14#1, thread4Thread1of1ForFork3_#t~ret13#1, ~q2_front~0, thread4Thread1of1ForFork3_plus_#res#1, thread4Thread1of1ForFork3_#t~mem12#1, thread4Thread1of1ForFork3_plus_~b#1, ~total~0, thread4Thread1of1ForFork3_plus_~a#1][487], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4458#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4384#(and (= ~total~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (or (< |ULTIMATE.start_create_fresh_int_array_~i~1#1| |ULTIMATE.start_create_fresh_int_array_~size#1|) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) 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(v_ArrVal_231 (Array Int Int))) (< 0 (+ ~total~0 (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4)))))) (not (< ~q1_front~0 ~n1~0))), Black: 4431#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4388#(and (= ~total~0 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (or (< |ULTIMATE.start_create_fresh_int_array_~i~1#1| |ULTIMATE.start_create_fresh_int_array_~size#1|) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 0) (< ~q1_back~0 0) (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 1558#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 1) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 2972#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (= ~total~0 0) (<= 0 ~q1_front~0) (< ~q1_front~0 ~n1~0) (< 0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4)))) (= ~q1~0.offset 0) (<= ~n1~0 1) (<= (+ ~q1_front~0 1) ~q1_back~0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4366#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (< |#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)), Black: 1554#(and (= ~total~0 0) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t2~0#1.base|)) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t4~0#1.base|)), Black: 4437#(and (or (not (< ~q1_front~0 ~q1_back~0)) (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), 13#L56true, Black: 4450#(and (<= 1 ~total~0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4444#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), 176#L143-4true, Black: 4435#(and (or (<= 1 ~total~0) (< ~q1_front~0 ~q1_back~0)) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), Black: 4405#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0)))), Black: 3010#(and (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 3003#(and (or (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (= ~q1~0.offset 0) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (not (<= 0 ~M~0)) (not (= ~q1_back~0 ~q1_front~0)) (<= ~C~0 0) (<= ~N~0 ~M~0) (not (= ~q2_back~0 ~q2_front~0)))), Black: 4456#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 2978#(and (<= 1 ~total~0) (or (not (< ~q1_back~0 ~n1~0)) (< 0 (+ ~total~0 ~C~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (<= ~n1~0 1) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4396#(and (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:41,736 INFO L383 tUnfolder$Statistics]: this new event has 181 ancestors and is cut-off event [2022-09-20 23:07:41,736 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-09-20 23:07:41,736 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-09-20 23:07:41,736 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-09-20 23:07:42,490 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([879] L106-->L110: Formula: (let ((.cse0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|))) (and (= |v_thread4Thread1of1ForFork3_plus_#res#1_1| .cse0) (not (= (ite (or (<= 0 |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1| 2147483648))) 1 0) 0)) (= (select (select |v_#memory_int_55| v_~q2~0.base_25) (+ v_~q2~0.offset_25 (* 4 v_~q2_front~0_53))) |v_thread4Thread1of1ForFork3_plus_#in~b#1_1|) (= (+ v_~q2_front~0_53 1) v_~q2_front~0_52) (= (ite (or (<= .cse0 2147483647) (<= |v_thread4Thread1of1ForFork3_plus_~b#1_1| 0)) 1 0) |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= v_~total~0_56 |v_thread4Thread1of1ForFork3_plus_#in~a#1_1|) (= v_~total~0_55 |v_thread4Thread1of1ForFork3_plus_#res#1_1|) (<= |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483647) (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~b#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~a#1_1| |v_thread4Thread1of1ForFork3_plus_~a#1_1|) (not (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| 0)) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483648)) (not (= (ite (and (<= 0 v_~q2_front~0_53) (< v_~q2_front~0_53 v_~q2_back~0_47) (< v_~q2_front~0_53 v_~n2~0_14)) 1 0) 0)))) InVars {~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, #memory_int=|v_#memory_int_55|, ~q2_front~0=v_~q2_front~0_53, ~q2~0.base=v_~q2~0.base_25, ~q2_back~0=v_~q2_back~0_47, ~total~0=v_~total~0_56} OutVars{thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, ~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, thread4Thread1of1ForFork3_plus_#in~b#1=|v_thread4Thread1of1ForFork3_plus_#in~b#1_1|, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, thread4Thread1of1ForFork3_#t~ret13#1=|v_thread4Thread1of1ForFork3_#t~ret13#1_1|, ~q2_front~0=v_~q2_front~0_52, thread4Thread1of1ForFork3_#t~mem12#1=|v_thread4Thread1of1ForFork3_#t~mem12#1_1|, thread4Thread1of1ForFork3_plus_~b#1=|v_thread4Thread1of1ForFork3_plus_~b#1_1|, ~total~0=v_~total~0_55, thread4Thread1of1ForFork3_plus_#in~a#1=|v_thread4Thread1of1ForFork3_plus_#in~a#1_1|, #memory_int=|v_#memory_int_55|, thread4Thread1of1ForFork3_#t~post14#1=|v_thread4Thread1of1ForFork3_#t~post14#1_1|, ~q2~0.base=v_~q2~0.base_25, thread4Thread1of1ForFork3_plus_#res#1=|v_thread4Thread1of1ForFork3_plus_#res#1_1|, ~q2_back~0=v_~q2_back~0_47, thread4Thread1of1ForFork3_plus_~a#1=|v_thread4Thread1of1ForFork3_plus_~a#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork3_plus_#in~b#1, thread4Thread1of1ForFork3_plus_#in~a#1, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork3_#t~post14#1, thread4Thread1of1ForFork3_#t~ret13#1, ~q2_front~0, thread4Thread1of1ForFork3_plus_#res#1, thread4Thread1of1ForFork3_#t~mem12#1, thread4Thread1of1ForFork3_plus_~b#1, ~total~0, thread4Thread1of1ForFork3_plus_~a#1][506], 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|ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4396#(and (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:42,491 INFO L383 tUnfolder$Statistics]: this new event has 184 ancestors and is cut-off event [2022-09-20 23:07:42,491 INFO L386 tUnfolder$Statistics]: existing Event has 184 ancestors and is cut-off event [2022-09-20 23:07:42,491 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2022-09-20 23:07:42,491 INFO L386 tUnfolder$Statistics]: existing Event has 184 ancestors and is cut-off event [2022-09-20 23:07:42,710 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([879] L106-->L110: Formula: (let ((.cse0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|))) (and (= |v_thread4Thread1of1ForFork3_plus_#res#1_1| .cse0) (not (= (ite (or (<= 0 |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_~a#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1| 2147483648))) 1 0) 0)) (= (select (select |v_#memory_int_55| v_~q2~0.base_25) (+ v_~q2~0.offset_25 (* 4 v_~q2_front~0_53))) |v_thread4Thread1of1ForFork3_plus_#in~b#1_1|) (= (+ v_~q2_front~0_53 1) v_~q2_front~0_52) (= (ite (or (<= .cse0 2147483647) (<= |v_thread4Thread1of1ForFork3_plus_~b#1_1| 0)) 1 0) |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= v_~total~0_56 |v_thread4Thread1of1ForFork3_plus_#in~a#1_1|) (= v_~total~0_55 |v_thread4Thread1of1ForFork3_plus_#res#1_1|) (<= |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483647) (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| |v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~b#1_1| |v_thread4Thread1of1ForFork3_plus_~b#1_1|) (= |v_thread4Thread1of1ForFork3_plus_#in~a#1_1| |v_thread4Thread1of1ForFork3_plus_~a#1_1|) (not (= |v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| 0)) (<= 0 (+ |v_thread4Thread1of1ForFork3_plus_#res#1_1| 2147483648)) (not (= (ite (and (<= 0 v_~q2_front~0_53) (< v_~q2_front~0_53 v_~q2_back~0_47) (< v_~q2_front~0_53 v_~n2~0_14)) 1 0) 0)))) InVars {~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, #memory_int=|v_#memory_int_55|, ~q2_front~0=v_~q2_front~0_53, ~q2~0.base=v_~q2~0.base_25, ~q2_back~0=v_~q2_back~0_47, ~total~0=v_~total~0_56} OutVars{thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, ~n2~0=v_~n2~0_14, ~q2~0.offset=v_~q2~0.offset_25, thread4Thread1of1ForFork3_plus_#in~b#1=|v_thread4Thread1of1ForFork3_plus_#in~b#1_1|, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, thread4Thread1of1ForFork3_#t~ret13#1=|v_thread4Thread1of1ForFork3_#t~ret13#1_1|, ~q2_front~0=v_~q2_front~0_52, thread4Thread1of1ForFork3_#t~mem12#1=|v_thread4Thread1of1ForFork3_#t~mem12#1_1|, thread4Thread1of1ForFork3_plus_~b#1=|v_thread4Thread1of1ForFork3_plus_~b#1_1|, ~total~0=v_~total~0_55, thread4Thread1of1ForFork3_plus_#in~a#1=|v_thread4Thread1of1ForFork3_plus_#in~a#1_1|, #memory_int=|v_#memory_int_55|, thread4Thread1of1ForFork3_#t~post14#1=|v_thread4Thread1of1ForFork3_#t~post14#1_1|, ~q2~0.base=v_~q2~0.base_25, thread4Thread1of1ForFork3_plus_#res#1=|v_thread4Thread1of1ForFork3_plus_#res#1_1|, ~q2_back~0=v_~q2_back~0_47, thread4Thread1of1ForFork3_plus_~a#1=|v_thread4Thread1of1ForFork3_plus_~a#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork3_plus_#in~b#1, thread4Thread1of1ForFork3_plus_#in~a#1, thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork3_#t~post14#1, thread4Thread1of1ForFork3_#t~ret13#1, ~q2_front~0, thread4Thread1of1ForFork3_plus_#res#1, thread4Thread1of1ForFork3_#t~mem12#1, thread4Thread1of1ForFork3_plus_~b#1, ~total~0, thread4Thread1of1ForFork3_plus_~a#1][487], [Black: 3012#(and (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (and (= (+ (* ~q1_back~0 4) ~q1~0.offset) (+ ~q1~0.offset (* ~q1_front~0 4))) (< 0 (+ ~total~0 ~C~0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 4428#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4458#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4384#(and (= ~total~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (or (< |ULTIMATE.start_create_fresh_int_array_~i~1#1| |ULTIMATE.start_create_fresh_int_array_~size#1|) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 0) (< ~q1_back~0 0) (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~q1_back~0 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|)), Black: 251#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3929#(or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 250#(and (= ~i~0 0) (<= 1 ~N~0)), Black: 3122#(<= 1 ~total~0), Black: 2406#(or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 3953#(forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))), Black: 257#(and (<= (div |thread3Thread1of1ForFork1_~cond~2#1| 256) 0) (= ~i~0 0) (<= 1 ~N~0) (<= 1 |thread3Thread1of1ForFork1_~cond~2#1|)), Black: 3853#(or (not (< ~q1_front~0 ~q1_back~0)) (forall ((v_ArrVal_231 (Array Int Int))) (< 0 (+ ~total~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4)))))) (< (+ ~q1_front~0 1) ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))), Black: 2985#(and (<= 1 ~total~0) (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (not (< ~q1_back~0 ~n1~0)) (< 0 (+ ~total~0 ~C~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (<= ~n1~0 1) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 3020#(and (or (< 0 (+ ~total~0 (select (select |#memory_int| ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), 104#L88true, Black: 4408#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))) (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)))), Black: 3778#(or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0))), Black: 3782#(or (<= 1 ~total~0) (< ~q1_front~0 ~q1_back~0)), Black: 2952#(and (= ~total~0 0) (or (not (< ~q1_back~0 ~n1~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4))) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (< ~n1~0 1) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (or (not (<= 0 ~M~0)) (not (= ~q1_back~0 ~q1_front~0)) (<= ~C~0 0) (<= ~N~0 ~M~0) (= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1) (not (= ~q2_back~0 ~q2_front~0)))), Black: 4448#(and (<= 1 ~total~0) (<= ~q1_front~0 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t2~0#1.base|) (<= 1 ~q1_back~0) (<= (+ ~q1~0.base 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 ~N~0) (= ~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (or (<= (* ~n1~0 4) (+ 3 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~q1~0.offset 0) (not (= ~q1~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n1~0 1) (<= ~q1_back~0 1) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t1~0#1.base|) (or (<= (* ~n1~0 4) (+ 3 ~q1~0.offset (* ~q1_front~0 4))) (<= (+ ~q1~0.offset (* ~q1_front~0 4) 1) 0)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 4435#(and (or (<= 1 ~total~0) (< ~q1_front~0 ~q1_back~0)) (or (<= 1 ~total~0) (not (<= (mod |thread3Thread1of1ForFork1_~cond~2#1| 256) 0)))), Black: 3010#(and (or (forall ((v_ArrVal_179 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_179) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))) ~total~0))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0))), Black: 4405#(and (or (not (< ~q1_front~0 (+ ~q1_back~0 1))) (forall ((v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ ~total~0 (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ ~q1~0.offset (* ~q1_front~0 4))))) (not (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~C~0)))) (< ~q1_front~0 ~q1_back~0) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0)))), Black: 3003#(and (or (not (< ~q1_back~0 ~n1~0)) (not (<= 0 ~q1_back~0)) (and (< 0 (+ ~total~0 ~C~0)) (= (* ~q1_back~0 4) (* ~q1_front~0 4)) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (= ~q1~0.offset 0) (or (<= 1 ~total~0) (<= (+ ~q1_front~0 1) ~q1_back~0)) (or (not (<= 0 ~M~0)) (not (= ~q1_back~0 ~q1_front~0)) (<= ~C~0 0) (<= ~N~0 ~M~0) (not (= ~q2_back~0 ~q2_front~0)))), Black: 4456#(and (<= 1 ~total~0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (or (= |thread3Thread1of1ForFork1_~cond~2#1| 0) (= |thread3Thread1of1ForFork1_~cond~2#1| 1)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 2978#(and (<= 1 ~total~0) (or (not (< ~q1_back~0 ~n1~0)) (< 0 (+ ~total~0 ~C~0)) (not (<= 0 ~q1_back~0)) (not (<= 0 ~q1_front~0)) (not (< ~q1_front~0 ~n1~0))) (<= ~n1~0 1) (not (= ~q1~0.base |ULTIMATE.start_main_~#t4~0#1.base|))), Black: 4396#(and (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) ~total~0)) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_#t~ret24#1.base|) (+ |ULTIMATE.start_main_#t~ret24#1.offset| (* ~q1_back~0 4))) 0) (<= ~n1~0 ~q1_back~0) (< ~q1_back~0 0))) (forall ((~q1_back~0 Int) (v_ArrVal_229 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_231 (Array Int Int))) (or (<= ~n1~0 ~q1_back~0) (< 0 (+ (select (select (store (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_229) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_230) |ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_231) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) ~total~0)) (< ~q1_back~0 0) (<= (select (select (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228) ~q1~0.base) (+ (* ~q1_back~0 4) ~q1~0.offset)) 0))))]) [2022-09-20 23:07:42,710 INFO L383 tUnfolder$Statistics]: this new event has 184 ancestors and is cut-off event [2022-09-20 23:07:42,710 INFO L386 tUnfolder$Statistics]: existing Event has 184 ancestors and is cut-off event [2022-09-20 23:07:42,710 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2022-09-20 23:07:42,710 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2022-09-20 23:07:44,061 INFO L130 PetriNetUnfolder]: 19444/44733 cut-off events. [2022-09-20 23:07:44,061 INFO L131 PetriNetUnfolder]: For 491126/499499 co-relation queries the response was YES. [2022-09-20 23:07:45,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180232 conditions, 44733 events. 19444/44733 cut-off events. For 491126/499499 co-relation queries the response was YES. Maximal size of possible extension queue 2214. Compared 516642 event pairs, 10647 based on Foata normal form. 3889/42594 useless extension candidates. Maximal degree in co-relation 180148. Up to 19636 conditions per place. [2022-09-20 23:07:45,349 INFO L137 encePairwiseOnDemand]: 236/245 looper letters, 293 selfloop transitions, 9 changer transitions 10/586 dead transitions. [2022-09-20 23:07:45,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 586 transitions, 5318 flow [2022-09-20 23:07:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-20 23:07:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-20 23:07:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1406 transitions. [2022-09-20 23:07:45,351 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8198250728862974 [2022-09-20 23:07:45,351 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1406 transitions. [2022-09-20 23:07:45,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1406 transitions. [2022-09-20 23:07:45,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:07:45,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1406 transitions. [2022-09-20 23:07:45,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 200.85714285714286) internal successors, (1406), 7 states have internal predecessors, (1406), 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) [2022-09-20 23:07:45,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 245.0) internal successors, (1960), 8 states have internal predecessors, (1960), 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) [2022-09-20 23:07:45,354 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 245.0) internal successors, (1960), 8 states have internal predecessors, (1960), 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) [2022-09-20 23:07:45,354 INFO L175 Difference]: Start difference. First operand has 427 places, 556 transitions, 4347 flow. Second operand 7 states and 1406 transitions. [2022-09-20 23:07:45,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 586 transitions, 5318 flow [2022-09-20 23:07:47,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 586 transitions, 5125 flow, removed 70 selfloop flow, removed 33 redundant places. [2022-09-20 23:07:47,297 INFO L231 Difference]: Finished difference. Result has 394 places, 534 transitions, 4021 flow [2022-09-20 23:07:47,298 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=3932, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4021, PETRI_PLACES=394, PETRI_TRANSITIONS=534} [2022-09-20 23:07:47,298 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 172 predicate places. [2022-09-20 23:07:47,298 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 534 transitions, 4021 flow [2022-09-20 23:07:47,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.5) internal successors, (1191), 6 states have internal predecessors, (1191), 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) [2022-09-20 23:07:47,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:07:47,299 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:07:47,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-20 23:07:47,299 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:07:47,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:07:47,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1214930877, now seen corresponding path program 4 times [2022-09-20 23:07:47,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:07:47,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637341641] [2022-09-20 23:07:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:07:47,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:07:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:07:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:07:48,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:07:48,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637341641] [2022-09-20 23:07:48,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637341641] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 23:07:48,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101318532] [2022-09-20 23:07:48,142 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-09-20 23:07:48,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:07:48,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 23:07:48,144 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) [2022-09-20 23:07:48,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-20 23:07:48,288 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-09-20 23:07:48,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-20 23:07:48,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 42 conjunts are in the unsatisfiable core [2022-09-20 23:07:48,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 23:07:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-20 23:07:49,142 INFO L390 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 18 treesize of output 20 [2022-09-20 23:07:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-20 23:07:49,191 INFO L390 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 18 treesize of output 20 [2022-09-20 23:07:49,237 INFO L390 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 23 treesize of output 7 [2022-09-20 23:07:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-20 23:07:49,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 23:07:49,337 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_303 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_303) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) c_~total~0))) is different from false [2022-09-20 23:07:49,348 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_303 (Array Int Int)) (v_ArrVal_302 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_302) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_303) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) c_~total~0))) is different from false [2022-09-20 23:07:49,365 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 23:07:49,366 INFO L390 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 88 treesize of output 88 [2022-09-20 23:07:49,369 INFO L390 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 36 treesize of output 30 [2022-09-20 23:07:49,372 INFO L390 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 62 treesize of output 50 [2022-09-20 23:07:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-09-20 23:07:50,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101318532] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 23:07:50,097 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 23:07:50,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 21, 19] total 57 [2022-09-20 23:07:50,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579661873] [2022-09-20 23:07:50,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 23:07:50,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-09-20 23:07:50,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:07:50,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-09-20 23:07:50,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2739, Unknown=2, NotChecked=214, Total=3192 [2022-09-20 23:07:50,101 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 245 [2022-09-20 23:07:50,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 534 transitions, 4021 flow. Second operand has 57 states, 57 states have (on average 107.0701754385965) internal successors, (6103), 57 states have internal predecessors, (6103), 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) [2022-09-20 23:07:50,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:07:50,104 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 245 [2022-09-20 23:07:50,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 23:08:19,666 INFO L130 PetriNetUnfolder]: 49854/88042 cut-off events. [2022-09-20 23:08:19,666 INFO L131 PetriNetUnfolder]: For 721244/724423 co-relation queries the response was YES. [2022-09-20 23:08:21,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423682 conditions, 88042 events. 49854/88042 cut-off events. For 721244/724423 co-relation queries the response was YES. Maximal size of possible extension queue 3303. Compared 859051 event pairs, 8916 based on Foata normal form. 496/84052 useless extension candidates. Maximal degree in co-relation 423603. Up to 39973 conditions per place. [2022-09-20 23:08:22,545 INFO L137 encePairwiseOnDemand]: 205/245 looper letters, 695 selfloop transitions, 361 changer transitions 73/1219 dead transitions. [2022-09-20 23:08:22,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 1219 transitions, 12477 flow [2022-09-20 23:08:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-09-20 23:08:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2022-09-20 23:08:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 9667 transitions. [2022-09-20 23:08:22,552 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.44333868378812197 [2022-09-20 23:08:22,553 INFO L72 ComplementDD]: Start complementDD. Operand 89 states and 9667 transitions. [2022-09-20 23:08:22,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 9667 transitions. [2022-09-20 23:08:22,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 23:08:22,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 89 states and 9667 transitions. [2022-09-20 23:08:22,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 90 states, 89 states have (on average 108.61797752808988) internal successors, (9667), 89 states have internal predecessors, (9667), 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) [2022-09-20 23:08:22,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 90 states, 90 states have (on average 245.0) internal successors, (22050), 90 states have internal predecessors, (22050), 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) [2022-09-20 23:08:22,574 INFO L81 ComplementDD]: Finished complementDD. Result has 90 states, 90 states have (on average 245.0) internal successors, (22050), 90 states have internal predecessors, (22050), 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) [2022-09-20 23:08:22,574 INFO L175 Difference]: Start difference. First operand has 394 places, 534 transitions, 4021 flow. Second operand 89 states and 9667 transitions. [2022-09-20 23:08:22,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 1219 transitions, 12477 flow [2022-09-20 23:08:31,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1219 transitions, 12442 flow, removed 5 selfloop flow, removed 5 redundant places. [2022-09-20 23:08:31,176 INFO L231 Difference]: Finished difference. Result has 493 places, 705 transitions, 6980 flow [2022-09-20 23:08:31,176 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=3953, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=89, PETRI_FLOW=6980, PETRI_PLACES=493, PETRI_TRANSITIONS=705} [2022-09-20 23:08:31,177 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, 271 predicate places. [2022-09-20 23:08:31,177 INFO L495 AbstractCegarLoop]: Abstraction has has 493 places, 705 transitions, 6980 flow [2022-09-20 23:08:31,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 107.0701754385965) internal successors, (6103), 57 states have internal predecessors, (6103), 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) [2022-09-20 23:08:31,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 23:08:31,178 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 23:08:31,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-20 23:08:31,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:08:31,385 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 23:08:31,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 23:08:31,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1729184523, now seen corresponding path program 5 times [2022-09-20 23:08:31,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 23:08:31,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885216935] [2022-09-20 23:08:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 23:08:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 23:08:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 23:08:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 23:08:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 23:08:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885216935] [2022-09-20 23:08:33,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885216935] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 23:08:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146494141] [2022-09-20 23:08:33,208 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-09-20 23:08:33,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 23:08:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 23:08:33,209 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) [2022-09-20 23:08:33,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-20 23:08:33,332 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-09-20 23:08:33,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-20 23:08:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 43 conjunts are in the unsatisfiable core [2022-09-20 23:08:33,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 23:08:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-20 23:08:34,017 INFO L390 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 19 treesize of output 21 [2022-09-20 23:08:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-20 23:08:34,111 INFO L390 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 19 treesize of output 21 [2022-09-20 23:08:34,318 INFO L390 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 25 treesize of output 7 [2022-09-20 23:08:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-09-20 23:08:34,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 23:08:34,874 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 23:08:34,874 INFO L390 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 174 treesize of output 154 [2022-09-20 23:08:34,878 INFO L390 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 146 treesize of output 122 [2022-09-20 23:08:34,880 INFO L390 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 122 treesize of output 110 [2022-09-20 23:08:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-09-20 23:08:35,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146494141] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 23:08:35,702 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 23:08:35,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 22, 23] total 68 [2022-09-20 23:08:35,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912102940] [2022-09-20 23:08:35,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 23:08:35,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-09-20 23:08:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 23:08:35,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-09-20 23:08:35,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=4193, Unknown=4, NotChecked=0, Total=4556 [2022-09-20 23:08:35,707 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 245 [2022-09-20 23:08:35,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 705 transitions, 6980 flow. Second operand has 68 states, 68 states have (on average 101.3970588235294) internal successors, (6895), 68 states have internal predecessors, (6895), 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) [2022-09-20 23:08:35,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 23:08:35,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 245 [2022-09-20 23:08:35,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand