/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-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 15:17:51,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 15:17:51,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 15:17:51,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 15:17:51,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 15:17:51,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 15:17:51,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 15:17:51,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 15:17:51,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 15:17:51,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 15:17:51,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 15:17:51,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 15:17:51,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 15:17:51,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 15:17:51,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 15:17:51,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 15:17:51,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 15:17:51,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 15:17:52,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 15:17:52,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 15:17:52,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 15:17:52,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 15:17:52,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 15:17:52,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 15:17:52,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 15:17:52,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 15:17:52,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 15:17:52,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 15:17:52,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 15:17:52,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 15:17:52,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 15:17:52,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 15:17:52,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 15:17:52,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 15:17:52,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 15:17:52,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 15:17:52,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 15:17:52,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 15:17:52,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 15:17:52,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 15:17:52,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 15:17:52,031 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-OGIterative-CovSimpl-Hitting.epf [2021-08-13 15:17:52,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 15:17:52,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 15:17:52,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 15:17:52,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 15:17:52,063 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 15:17:52,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 15:17:52,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 15:17:52,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 15:17:52,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 15:17:52,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 15:17:52,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 15:17:52,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 15:17:52,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 15:17:52,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 15:17:52,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 15:17:52,067 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 15:17:52,067 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 15:17:52,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 15:17:52,067 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 15:17:52,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 15:17:52,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 15:17:52,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 15:17:52,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 15:17:52,381 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 15:17:52,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i [2021-08-13 15:17:52,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd87d8ac4/ecb101f76c6d4192a818eb397790e735/FLAG1723a156c [2021-08-13 15:17:52,846 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 15:17:52,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i [2021-08-13 15:17:52,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd87d8ac4/ecb101f76c6d4192a818eb397790e735/FLAG1723a156c [2021-08-13 15:17:53,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd87d8ac4/ecb101f76c6d4192a818eb397790e735 [2021-08-13 15:17:53,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 15:17:53,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 15:17:53,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 15:17:53,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 15:17:53,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 15:17:53,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b079df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53, skipping insertion in model container [2021-08-13 15:17:53,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 15:17:53,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 15:17:53,383 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i[949,962] [2021-08-13 15:17:53,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 15:17:53,533 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 15:17:53,541 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i[949,962] [2021-08-13 15:17:53,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 15:17:53,607 INFO L208 MainTranslator]: Completed translation [2021-08-13 15:17:53,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53 WrapperNode [2021-08-13 15:17:53,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 15:17:53,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 15:17:53,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 15:17:53,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 15:17:53,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 15:17:53,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 15:17:53,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 15:17:53,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 15:17:53,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... [2021-08-13 15:17:53,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 15:17:53,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 15:17:53,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 15:17:53,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 15:17:53,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 15:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 15:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 15:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 15:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 15:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-13 15:17:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-13 15:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-13 15:17:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-13 15:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-13 15:17:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-13 15:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-13 15:17:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-13 15:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 15:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 15:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 15:17:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 15:17:53,728 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 15:17:55,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 15:17:55,211 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-13 15:17:55,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:17:55 BoogieIcfgContainer [2021-08-13 15:17:55,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 15:17:55,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 15:17:55,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 15:17:55,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 15:17:55,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 03:17:53" (1/3) ... [2021-08-13 15:17:55,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474ca62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 03:17:55, skipping insertion in model container [2021-08-13 15:17:55,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 03:17:53" (2/3) ... [2021-08-13 15:17:55,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474ca62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 03:17:55, skipping insertion in model container [2021-08-13 15:17:55,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:17:55" (3/3) ... [2021-08-13 15:17:55,225 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_rmo.oepc.i [2021-08-13 15:17:55,249 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 15:17:55,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-13 15:17:55,250 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 15:17:55,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,288 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,305 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,306 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,310 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,310 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 15:17:55,315 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 15:17:55,330 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-13 15:17:55,343 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 15:17:55,343 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 15:17:55,343 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 15:17:55,343 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 15:17:55,343 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 15:17:55,343 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 15:17:55,344 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 15:17:55,344 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 15:17:55,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2021-08-13 15:17:55,383 INFO L129 PetriNetUnfolder]: 2/126 cut-off events. [2021-08-13 15:17:55,383 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 15:17:55,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-08-13 15:17:55,386 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 130 transitions, 280 flow [2021-08-13 15:17:55,389 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 126 transitions, 264 flow [2021-08-13 15:17:55,396 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-08-13 15:17:55,396 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 15:17:55,396 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:17:55,397 INFO L266 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] [2021-08-13 15:17:55,397 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:17:55,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:17:55,400 INFO L82 PathProgramCache]: Analyzing trace with hash 989027650, now seen corresponding path program 1 times [2021-08-13 15:17:55,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:17:55,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306742376] [2021-08-13 15:17:55,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:17:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:17:55,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:17:55,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:17:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:17:55,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:17:55,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306742376] [2021-08-13 15:17:55,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306742376] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:17:55,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:17:55,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 15:17:55,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223964422] [2021-08-13 15:17:55,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 15:17:55,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:17:55,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 15:17:55,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 15:17:55,598 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 130 [2021-08-13 15:17:55,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 126 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:55,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:17:55,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 130 [2021-08-13 15:17:55,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:17:55,703 INFO L129 PetriNetUnfolder]: 133/487 cut-off events. [2021-08-13 15:17:55,704 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 15:17:55,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 487 events. 133/487 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2584 event pairs, 110 based on Foata normal form. 52/509 useless extension candidates. Maximal degree in co-relation 653. Up to 153 conditions per place. [2021-08-13 15:17:55,709 INFO L132 encePairwiseOnDemand]: 125/130 looper letters, 11 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2021-08-13 15:17:55,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 127 transitions, 292 flow [2021-08-13 15:17:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 15:17:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 15:17:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2021-08-13 15:17:55,718 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9538461538461539 [2021-08-13 15:17:55,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 372 transitions. [2021-08-13 15:17:55,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 372 transitions. [2021-08-13 15:17:55,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:17:55,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 372 transitions. [2021-08-13 15:17:55,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:55,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:55,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:55,728 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 0 predicate places. [2021-08-13 15:17:55,728 INFO L482 AbstractCegarLoop]: Abstraction has has 137 places, 127 transitions, 292 flow [2021-08-13 15:17:55,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:55,728 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:17:55,728 INFO L266 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] [2021-08-13 15:17:55,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 15:17:55,729 INFO L430 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:17:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:17:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2052907635, now seen corresponding path program 1 times [2021-08-13 15:17:55,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:17:55,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272001681] [2021-08-13 15:17:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:17:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:17:55,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:17:55,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:17:55,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-13 15:17:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 15:17:55,862 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 15:17:55,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 15:17:55,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:17:55,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:17:55,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:55,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:17:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:17:55,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:17:55,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272001681] [2021-08-13 15:17:55,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272001681] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:17:55,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:17:55,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 15:17:55,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400069096] [2021-08-13 15:17:55,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 15:17:55,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:17:55,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 15:17:55,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 15:17:55,891 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2021-08-13 15:17:55,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 127 transitions, 292 flow. Second operand has 7 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:55,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:17:55,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2021-08-13 15:17:55,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:17:58,634 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][84], [144#true, 145#true, 114#L791true, 5#L850true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 138#true, 11#L18-1true, 140#true, 93#L811true, 142#true]) [2021-08-13 15:17:58,635 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-08-13 15:17:58,635 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:17:58,635 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:17:58,635 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:17:58,690 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][84], [144#true, 145#true, 114#L791true, 5#L850true, 7#L18-2true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 138#true, 140#true, 93#L811true, 142#true]) [2021-08-13 15:17:58,690 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,690 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,690 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,690 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,691 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][84], [144#true, 145#true, 114#L791true, 5#L850true, 21#L18-5true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 138#true, 140#true, 93#L811true, 142#true]) [2021-08-13 15:17:58,691 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,691 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,691 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,691 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:17:58,919 INFO L129 PetriNetUnfolder]: 7412/20730 cut-off events. [2021-08-13 15:17:58,919 INFO L130 PetriNetUnfolder]: For 1309/2373 co-relation queries the response was YES. [2021-08-13 15:17:59,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33928 conditions, 20730 events. 7412/20730 cut-off events. For 1309/2373 co-relation queries the response was YES. Maximal size of possible extension queue 1221. Compared 251366 event pairs, 1825 based on Foata normal form. 41/19214 useless extension candidates. Maximal degree in co-relation 33868. Up to 3857 conditions per place. [2021-08-13 15:17:59,253 INFO L132 encePairwiseOnDemand]: 114/130 looper letters, 79 selfloop transitions, 56 changer transitions 0/241 dead transitions. [2021-08-13 15:17:59,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 241 transitions, 834 flow [2021-08-13 15:17:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 15:17:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 15:17:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1517 transitions. [2021-08-13 15:17:59,257 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8976331360946745 [2021-08-13 15:17:59,257 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1517 transitions. [2021-08-13 15:17:59,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1517 transitions. [2021-08-13 15:17:59,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:17:59,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1517 transitions. [2021-08-13 15:17:59,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.6923076923077) internal successors, (1517), 13 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:59,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:59,265 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:59,265 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 12 predicate places. [2021-08-13 15:17:59,265 INFO L482 AbstractCegarLoop]: Abstraction has has 149 places, 241 transitions, 834 flow [2021-08-13 15:17:59,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:59,266 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:17:59,266 INFO L266 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] [2021-08-13 15:17:59,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 15:17:59,266 INFO L430 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:17:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:17:59,267 INFO L82 PathProgramCache]: Analyzing trace with hash -126435500, now seen corresponding path program 1 times [2021-08-13 15:17:59,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:17:59,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041005483] [2021-08-13 15:17:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:17:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:17:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:59,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:17:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:17:59,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-13 15:17:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 15:17:59,337 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 15:17:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 15:17:59,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:59,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:17:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:17:59,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:17:59,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:17:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:17:59,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:17:59,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041005483] [2021-08-13 15:17:59,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041005483] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:17:59,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:17:59,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 15:17:59,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639243808] [2021-08-13 15:17:59,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 15:17:59,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:17:59,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 15:17:59,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 15:17:59,366 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2021-08-13 15:17:59,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 241 transitions, 834 flow. Second operand has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:17:59,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:17:59,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2021-08-13 15:17:59,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:18:03,054 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][86], [176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 5#L850true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 138#true, 140#true, 12#L18true, 93#L811true, 142#true]) [2021-08-13 15:18:03,054 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-08-13 15:18:03,054 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:03,054 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:03,054 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:03,259 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][86], [144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 5#L850true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 138#true, 11#L18-1true, 140#true, 93#L811true, 142#true]) [2021-08-13 15:18:03,259 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-08-13 15:18:03,259 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:03,259 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:03,260 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:03,345 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][86], [176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 5#L850true, 21#L18-5true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 58#L771true, 140#true, 93#L811true, 142#true]) [2021-08-13 15:18:03,345 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][86], [176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 5#L850true, 7#L18-2true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 138#true, 140#true, 93#L811true, 142#true]) [2021-08-13 15:18:03,346 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,346 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:03,653 INFO L129 PetriNetUnfolder]: 11656/33651 cut-off events. [2021-08-13 15:18:03,653 INFO L130 PetriNetUnfolder]: For 3523/20879 co-relation queries the response was YES. [2021-08-13 15:18:03,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67503 conditions, 33651 events. 11656/33651 cut-off events. For 3523/20879 co-relation queries the response was YES. Maximal size of possible extension queue 2254. Compared 449256 event pairs, 2810 based on Foata normal form. 251/31573 useless extension candidates. Maximal degree in co-relation 67436. Up to 6856 conditions per place. [2021-08-13 15:18:03,909 INFO L132 encePairwiseOnDemand]: 114/130 looper letters, 234 selfloop transitions, 183 changer transitions 12/535 dead transitions. [2021-08-13 15:18:03,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 535 transitions, 2942 flow [2021-08-13 15:18:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 15:18:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 15:18:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1513 transitions. [2021-08-13 15:18:03,913 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8952662721893491 [2021-08-13 15:18:03,913 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1513 transitions. [2021-08-13 15:18:03,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1513 transitions. [2021-08-13 15:18:03,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:18:03,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1513 transitions. [2021-08-13 15:18:03,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.38461538461539) internal successors, (1513), 13 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:03,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:03,918 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:03,918 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 24 predicate places. [2021-08-13 15:18:03,918 INFO L482 AbstractCegarLoop]: Abstraction has has 161 places, 535 transitions, 2942 flow [2021-08-13 15:18:03,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:03,919 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:18:03,919 INFO L266 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] [2021-08-13 15:18:03,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 15:18:03,919 INFO L430 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:18:03,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:18:03,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1593786155, now seen corresponding path program 1 times [2021-08-13 15:18:03,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:18:03,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327394553] [2021-08-13 15:18:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:18:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:18:03,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:03,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:03,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:03,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:18:03,969 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-13 15:18:03,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 15:18:03,976 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 15:18:03,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 15:18:03,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:03,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:03,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:04,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:18:04,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:18:04,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327394553] [2021-08-13 15:18:04,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327394553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:18:04,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:18:04,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 15:18:04,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250681523] [2021-08-13 15:18:04,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 15:18:04,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:18:04,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 15:18:04,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 15:18:04,011 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2021-08-13 15:18:04,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 535 transitions, 2942 flow. Second operand has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:04,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:18:04,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2021-08-13 15:18:04,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:18:04,208 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-08-13 15:18:10,421 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][91], [5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 12#L18true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:10,421 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-08-13 15:18:10,421 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:10,422 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:10,422 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:10,869 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][91], [5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 11#L18-1true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:10,869 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-08-13 15:18:10,870 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:10,870 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:10,870 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:11,091 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][91], [5#L850true, 7#L18-2true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:11,091 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,091 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,091 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,091 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,091 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][91], [5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 21#L18-5true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:11,092 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,092 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,092 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,092 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:11,881 INFO L129 PetriNetUnfolder]: 18829/55486 cut-off events. [2021-08-13 15:18:11,881 INFO L130 PetriNetUnfolder]: For 9431/50398 co-relation queries the response was YES. [2021-08-13 15:18:12,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131139 conditions, 55486 events. 18829/55486 cut-off events. For 9431/50398 co-relation queries the response was YES. Maximal size of possible extension queue 3833. Compared 804814 event pairs, 4318 based on Foata normal form. 438/52322 useless extension candidates. Maximal degree in co-relation 131065. Up to 11480 conditions per place. [2021-08-13 15:18:12,405 INFO L132 encePairwiseOnDemand]: 115/130 looper letters, 546 selfloop transitions, 443 changer transitions 140/1235 dead transitions. [2021-08-13 15:18:12,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1235 transitions, 9664 flow [2021-08-13 15:18:12,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 15:18:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 15:18:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1517 transitions. [2021-08-13 15:18:12,409 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8976331360946745 [2021-08-13 15:18:12,409 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1517 transitions. [2021-08-13 15:18:12,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1517 transitions. [2021-08-13 15:18:12,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:18:12,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1517 transitions. [2021-08-13 15:18:12,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.6923076923077) internal successors, (1517), 13 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:12,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:12,414 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:12,414 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 36 predicate places. [2021-08-13 15:18:12,414 INFO L482 AbstractCegarLoop]: Abstraction has has 173 places, 1235 transitions, 9664 flow [2021-08-13 15:18:12,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:12,414 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:18:12,415 INFO L266 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] [2021-08-13 15:18:12,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 15:18:12,415 INFO L430 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:18:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:18:12,415 INFO L82 PathProgramCache]: Analyzing trace with hash -803298337, now seen corresponding path program 1 times [2021-08-13 15:18:12,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:18:12,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942150866] [2021-08-13 15:18:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:18:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:18:12,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:12,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:12,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:12,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:18:12,505 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-13 15:18:12,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 15:18:12,514 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 15:18:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 15:18:12,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:12,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:12,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:12,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:12,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:18:12,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:18:12,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942150866] [2021-08-13 15:18:12,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942150866] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:18:12,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:18:12,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 15:18:12,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252434786] [2021-08-13 15:18:12,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 15:18:12,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:18:12,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 15:18:12,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 15:18:12,543 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2021-08-13 15:18:12,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 1235 transitions, 9664 flow. Second operand has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:12,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:18:12,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2021-08-13 15:18:12,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:18:22,647 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][89], [224#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 12#L18true, 142#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:22,647 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,647 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,647 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,647 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,662 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1099] L784-->L791: Formula: (let ((.cse10 (= (mod v_~b$r_buff1_thd2~0_50 256) 0)) (.cse12 (= (mod v_~b$w_buff1_used~0_328 256) 0)) (.cse14 (= (mod v_~b$w_buff0_used~0_460 256) 0)) (.cse13 (= (mod v_~b$r_buff0_thd2~0_72 256) 0)) (.cse11 (= (mod v_~b$w_buff0_used~0_459 256) 0))) (let ((.cse5 (or .cse13 .cse11)) (.cse2 (not .cse13)) (.cse6 (not .cse14)) (.cse7 (or .cse13 .cse14)) (.cse0 (not .cse12)) (.cse4 (or .cse10 .cse12)) (.cse1 (not .cse10)) (.cse3 (not .cse11))) (and (or (and (= v_~b$w_buff1_used~0_327 0) (or (and .cse0 .cse1) (and .cse2 .cse3))) (and .cse4 (= v_~b$w_buff1_used~0_328 v_~b$w_buff1_used~0_327) .cse5)) (or (and .cse2 .cse6 (= v_~b$w_buff0_used~0_459 0)) (and .cse7 (= v_~b$w_buff0_used~0_459 v_~b$w_buff0_used~0_460))) (or (and .cse2 .cse3 (= v_~b$r_buff0_thd2~0_71 0)) (and (= v_~b$r_buff0_thd2~0_71 v_~b$r_buff0_thd2~0_72) .cse5)) (or (and .cse2 .cse6 (= |v_P1_#t~ite11_31| |v_P1Thread1of1ForFork3_#t~ite11_1|) (= v_~b~0_158 v_~b$w_buff0~0_79)) (and .cse7 (= |v_P1_#t~ite11_31| v_~b~0_158) (or (and .cse0 .cse1 (= v_~b$w_buff1~0_104 |v_P1_#t~ite11_31|)) (and (= |v_P1_#t~ite11_31| v_~b~0_159) .cse4)))) (let ((.cse8 (= (mod v_~b$w_buff1_used~0_327 256) 0)) (.cse9 (= 0 (mod v_~b$r_buff0_thd2~0_71 256)))) (or (and (= v_~b$r_buff1_thd2~0_49 0) (or (and .cse1 (not .cse8)) (and .cse3 (not .cse9)))) (and (= v_~b$r_buff1_thd2~0_49 v_~b$r_buff1_thd2~0_50) (or .cse10 .cse8) (or .cse11 .cse9))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_460, ~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_328, ~b~0=v_~b~0_159, ~b$w_buff1~0=v_~b$w_buff1~0_104, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_50} OutVars{~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_71, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_459, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_327, ~b~0=v_~b~0_158, ~b$w_buff1~0=v_~b$w_buff1~0_104, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_49} AuxVars[|v_P1_#t~ite11_31|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite16, ~b$w_buff1_used~0, ~b~0, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite13, ~b$r_buff1_thd2~0, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14][67], [5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 12#L18true, 142#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true, 223#(= ~y~0 1)]) [2021-08-13 15:18:22,662 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,662 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,662 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:22,662 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-08-13 15:18:23,379 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][89], [224#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 11#L18-1true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:23,379 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,379 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,379 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,379 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,389 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1099] L784-->L791: Formula: (let ((.cse10 (= (mod v_~b$r_buff1_thd2~0_50 256) 0)) (.cse12 (= (mod v_~b$w_buff1_used~0_328 256) 0)) (.cse14 (= (mod v_~b$w_buff0_used~0_460 256) 0)) (.cse13 (= (mod v_~b$r_buff0_thd2~0_72 256) 0)) (.cse11 (= (mod v_~b$w_buff0_used~0_459 256) 0))) (let ((.cse5 (or .cse13 .cse11)) (.cse2 (not .cse13)) (.cse6 (not .cse14)) (.cse7 (or .cse13 .cse14)) (.cse0 (not .cse12)) (.cse4 (or .cse10 .cse12)) (.cse1 (not .cse10)) (.cse3 (not .cse11))) (and (or (and (= v_~b$w_buff1_used~0_327 0) (or (and .cse0 .cse1) (and .cse2 .cse3))) (and .cse4 (= v_~b$w_buff1_used~0_328 v_~b$w_buff1_used~0_327) .cse5)) (or (and .cse2 .cse6 (= v_~b$w_buff0_used~0_459 0)) (and .cse7 (= v_~b$w_buff0_used~0_459 v_~b$w_buff0_used~0_460))) (or (and .cse2 .cse3 (= v_~b$r_buff0_thd2~0_71 0)) (and (= v_~b$r_buff0_thd2~0_71 v_~b$r_buff0_thd2~0_72) .cse5)) (or (and .cse2 .cse6 (= |v_P1_#t~ite11_31| |v_P1Thread1of1ForFork3_#t~ite11_1|) (= v_~b~0_158 v_~b$w_buff0~0_79)) (and .cse7 (= |v_P1_#t~ite11_31| v_~b~0_158) (or (and .cse0 .cse1 (= v_~b$w_buff1~0_104 |v_P1_#t~ite11_31|)) (and (= |v_P1_#t~ite11_31| v_~b~0_159) .cse4)))) (let ((.cse8 (= (mod v_~b$w_buff1_used~0_327 256) 0)) (.cse9 (= 0 (mod v_~b$r_buff0_thd2~0_71 256)))) (or (and (= v_~b$r_buff1_thd2~0_49 0) (or (and .cse1 (not .cse8)) (and .cse3 (not .cse9)))) (and (= v_~b$r_buff1_thd2~0_49 v_~b$r_buff1_thd2~0_50) (or .cse10 .cse8) (or .cse11 .cse9))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_460, ~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_328, ~b~0=v_~b~0_159, ~b$w_buff1~0=v_~b$w_buff1~0_104, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_50} OutVars{~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_71, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_459, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_327, ~b~0=v_~b~0_158, ~b$w_buff1~0=v_~b$w_buff1~0_104, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_49} AuxVars[|v_P1_#t~ite11_31|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite16, ~b$w_buff1_used~0, ~b~0, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite13, ~b$r_buff1_thd2~0, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14][67], [5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 11#L18-1true, 140#true, 142#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true, 223#(= ~y~0 1)]) [2021-08-13 15:18:23,389 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,390 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,390 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,390 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-08-13 15:18:23,833 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][89], [224#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 5#L850true, 7#L18-2true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:23,833 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,833 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,834 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,834 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,834 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L804-->L811: Formula: (let ((.cse9 (= (mod v_~b$w_buff0_used~0_441 256) 0)) (.cse6 (= (mod v_~b$r_buff1_thd3~0_52 256) 0)) (.cse13 (= (mod v_~b$w_buff1_used~0_310 256) 0)) (.cse12 (= 0 (mod v_~b$r_buff0_thd3~0_70 256))) (.cse14 (= (mod v_~b$w_buff0_used~0_442 256) 0))) (let ((.cse1 (not .cse14)) (.cse2 (or .cse12 .cse14)) (.cse3 (or .cse6 .cse13)) (.cse4 (not .cse6)) (.cse5 (not .cse13)) (.cse11 (or .cse12 .cse9)) (.cse0 (not .cse12)) (.cse10 (not .cse9))) (and (or (and (= |v_P2_#t~ite17_47| |v_P2Thread1of1ForFork0_#t~ite17_1|) .cse0 .cse1 (= v_~b~0_136 v_~b$w_buff0~0_73)) (and (= |v_P2_#t~ite17_47| v_~b~0_136) .cse2 (or (and .cse3 (= |v_P2_#t~ite17_47| v_~b~0_137)) (and .cse4 (= |v_P2_#t~ite17_47| v_~b$w_buff1~0_94) .cse5)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_309 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd3~0_69 256) 0))) (or (and (or .cse6 .cse7) (or .cse8 .cse9) (= v_~b$r_buff1_thd3~0_52 v_~b$r_buff1_thd3~0_51)) (and (= v_~b$r_buff1_thd3~0_51 0) (or (and (not .cse7) .cse4) (and (not .cse8) .cse10))))) (or (and .cse0 .cse1 (= v_~b$w_buff0_used~0_441 0)) (and (= v_~b$w_buff0_used~0_442 v_~b$w_buff0_used~0_441) .cse2)) (or (and (= v_~b$w_buff1_used~0_309 v_~b$w_buff1_used~0_310) .cse3 .cse11) (and (= v_~b$w_buff1_used~0_309 0) (or (and .cse4 .cse5) (and .cse0 .cse10)))) (or (and .cse11 (= v_~b$r_buff0_thd3~0_69 v_~b$r_buff0_thd3~0_70)) (and .cse0 .cse10 (= v_~b$r_buff0_thd3~0_69 0)))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_442, ~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_70, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_310, ~b~0=v_~b~0_137, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_52} OutVars{~b$r_buff0_thd3~0=v_~b$r_buff0_thd3~0_69, P2Thread1of1ForFork0_#t~ite20=|v_P2Thread1of1ForFork0_#t~ite20_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_441, P2Thread1of1ForFork0_#t~ite17=|v_P2Thread1of1ForFork0_#t~ite17_2|, P2Thread1of1ForFork0_#t~ite21=|v_P2Thread1of1ForFork0_#t~ite21_1|, P2Thread1of1ForFork0_#t~ite22=|v_P2Thread1of1ForFork0_#t~ite22_1|, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_309, ~b~0=v_~b~0_136, ~b$w_buff1~0=v_~b$w_buff1~0_94, ~b$w_buff0~0=v_~b$w_buff0~0_73, P2Thread1of1ForFork0_#t~ite18=|v_P2Thread1of1ForFork0_#t~ite18_1|, P2Thread1of1ForFork0_#t~ite19=|v_P2Thread1of1ForFork0_#t~ite19_1|, ~b$r_buff1_thd3~0=v_~b$r_buff1_thd3~0_51} AuxVars[|v_P2_#t~ite17_47|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite17, P2Thread1of1ForFork0_#t~ite21, P2Thread1of1ForFork0_#t~ite22, ~b$w_buff1_used~0, ~b~0, P2Thread1of1ForFork0_#t~ite20, P2Thread1of1ForFork0_#t~ite18, P2Thread1of1ForFork0_#t~ite19, ~b$r_buff1_thd3~0][89], [224#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 21#L18-5true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true]) [2021-08-13 15:18:23,834 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,834 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,834 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,834 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,841 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1099] L784-->L791: Formula: (let ((.cse10 (= (mod v_~b$r_buff1_thd2~0_50 256) 0)) (.cse12 (= (mod v_~b$w_buff1_used~0_328 256) 0)) (.cse14 (= (mod v_~b$w_buff0_used~0_460 256) 0)) (.cse13 (= (mod v_~b$r_buff0_thd2~0_72 256) 0)) (.cse11 (= (mod v_~b$w_buff0_used~0_459 256) 0))) (let ((.cse5 (or .cse13 .cse11)) (.cse2 (not .cse13)) (.cse6 (not .cse14)) (.cse7 (or .cse13 .cse14)) (.cse0 (not .cse12)) (.cse4 (or .cse10 .cse12)) (.cse1 (not .cse10)) (.cse3 (not .cse11))) (and (or (and (= v_~b$w_buff1_used~0_327 0) (or (and .cse0 .cse1) (and .cse2 .cse3))) (and .cse4 (= v_~b$w_buff1_used~0_328 v_~b$w_buff1_used~0_327) .cse5)) (or (and .cse2 .cse6 (= v_~b$w_buff0_used~0_459 0)) (and .cse7 (= v_~b$w_buff0_used~0_459 v_~b$w_buff0_used~0_460))) (or (and .cse2 .cse3 (= v_~b$r_buff0_thd2~0_71 0)) (and (= v_~b$r_buff0_thd2~0_71 v_~b$r_buff0_thd2~0_72) .cse5)) (or (and .cse2 .cse6 (= |v_P1_#t~ite11_31| |v_P1Thread1of1ForFork3_#t~ite11_1|) (= v_~b~0_158 v_~b$w_buff0~0_79)) (and .cse7 (= |v_P1_#t~ite11_31| v_~b~0_158) (or (and .cse0 .cse1 (= v_~b$w_buff1~0_104 |v_P1_#t~ite11_31|)) (and (= |v_P1_#t~ite11_31| v_~b~0_159) .cse4)))) (let ((.cse8 (= (mod v_~b$w_buff1_used~0_327 256) 0)) (.cse9 (= 0 (mod v_~b$r_buff0_thd2~0_71 256)))) (or (and (= v_~b$r_buff1_thd2~0_49 0) (or (and .cse1 (not .cse8)) (and .cse3 (not .cse9)))) (and (= v_~b$r_buff1_thd2~0_49 v_~b$r_buff1_thd2~0_50) (or .cse10 .cse8) (or .cse11 .cse9))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_460, ~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_328, ~b~0=v_~b~0_159, ~b$w_buff1~0=v_~b$w_buff1~0_104, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_50} OutVars{~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_71, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_459, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_327, ~b~0=v_~b~0_158, ~b$w_buff1~0=v_~b$w_buff1~0_104, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_49} AuxVars[|v_P1_#t~ite11_31|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite16, ~b$w_buff1_used~0, ~b~0, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite13, ~b$r_buff1_thd2~0, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14][67], [5#L850true, 7#L18-2true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 142#true, 144#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 145#true, 114#L791true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true, 223#(= ~y~0 1)]) [2021-08-13 15:18:23,841 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,841 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,841 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,841 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,841 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1099] L784-->L791: Formula: (let ((.cse10 (= (mod v_~b$r_buff1_thd2~0_50 256) 0)) (.cse12 (= (mod v_~b$w_buff1_used~0_328 256) 0)) (.cse14 (= (mod v_~b$w_buff0_used~0_460 256) 0)) (.cse13 (= (mod v_~b$r_buff0_thd2~0_72 256) 0)) (.cse11 (= (mod v_~b$w_buff0_used~0_459 256) 0))) (let ((.cse5 (or .cse13 .cse11)) (.cse2 (not .cse13)) (.cse6 (not .cse14)) (.cse7 (or .cse13 .cse14)) (.cse0 (not .cse12)) (.cse4 (or .cse10 .cse12)) (.cse1 (not .cse10)) (.cse3 (not .cse11))) (and (or (and (= v_~b$w_buff1_used~0_327 0) (or (and .cse0 .cse1) (and .cse2 .cse3))) (and .cse4 (= v_~b$w_buff1_used~0_328 v_~b$w_buff1_used~0_327) .cse5)) (or (and .cse2 .cse6 (= v_~b$w_buff0_used~0_459 0)) (and .cse7 (= v_~b$w_buff0_used~0_459 v_~b$w_buff0_used~0_460))) (or (and .cse2 .cse3 (= v_~b$r_buff0_thd2~0_71 0)) (and (= v_~b$r_buff0_thd2~0_71 v_~b$r_buff0_thd2~0_72) .cse5)) (or (and .cse2 .cse6 (= |v_P1_#t~ite11_31| |v_P1Thread1of1ForFork3_#t~ite11_1|) (= v_~b~0_158 v_~b$w_buff0~0_79)) (and .cse7 (= |v_P1_#t~ite11_31| v_~b~0_158) (or (and .cse0 .cse1 (= v_~b$w_buff1~0_104 |v_P1_#t~ite11_31|)) (and (= |v_P1_#t~ite11_31| v_~b~0_159) .cse4)))) (let ((.cse8 (= (mod v_~b$w_buff1_used~0_327 256) 0)) (.cse9 (= 0 (mod v_~b$r_buff0_thd2~0_71 256)))) (or (and (= v_~b$r_buff1_thd2~0_49 0) (or (and .cse1 (not .cse8)) (and .cse3 (not .cse9)))) (and (= v_~b$r_buff1_thd2~0_49 v_~b$r_buff1_thd2~0_50) (or .cse10 .cse8) (or .cse11 .cse9))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_460, ~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_328, ~b~0=v_~b~0_159, ~b$w_buff1~0=v_~b$w_buff1~0_104, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_1|, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_50} OutVars{~b$r_buff0_thd2~0=v_~b$r_buff0_thd2~0_71, P1Thread1of1ForFork3_#t~ite16=|v_P1Thread1of1ForFork3_#t~ite16_1|, P1Thread1of1ForFork3_#t~ite11=|v_P1Thread1of1ForFork3_#t~ite11_2|, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, P1Thread1of1ForFork3_#t~ite15=|v_P1Thread1of1ForFork3_#t~ite15_1|, P1Thread1of1ForFork3_#t~ite14=|v_P1Thread1of1ForFork3_#t~ite14_1|, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_459, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_327, ~b~0=v_~b~0_158, ~b$w_buff1~0=v_~b$w_buff1~0_104, ~b$w_buff0~0=v_~b$w_buff0~0_79, ~b$r_buff1_thd2~0=v_~b$r_buff1_thd2~0_49} AuxVars[|v_P1_#t~ite11_31|] AssignedVars[~b$w_buff0_used~0, ~b$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite16, ~b$w_buff1_used~0, ~b~0, P1Thread1of1ForFork3_#t~ite11, P1Thread1of1ForFork3_#t~ite13, ~b$r_buff1_thd2~0, P1Thread1of1ForFork3_#t~ite12, P1Thread1of1ForFork3_#t~ite15, P1Thread1of1ForFork3_#t~ite14][67], [5#L850true, 200#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 138#true, 140#true, 142#true, 176#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 144#true, 145#true, 114#L791true, 21#L18-5true, 152#(or (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), 58#L771true, 93#L811true, 223#(= ~y~0 1)]) [2021-08-13 15:18:23,841 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,842 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,842 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:23,842 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-08-13 15:18:25,587 INFO L129 PetriNetUnfolder]: 24609/73360 cut-off events. [2021-08-13 15:18:25,588 INFO L130 PetriNetUnfolder]: For 20484/115710 co-relation queries the response was YES. [2021-08-13 15:18:26,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197255 conditions, 73360 events. 24609/73360 cut-off events. For 20484/115710 co-relation queries the response was YES. Maximal size of possible extension queue 5269. Compared 1114709 event pairs, 6432 based on Foata normal form. 921/68917 useless extension candidates. Maximal degree in co-relation 197174. Up to 16564 conditions per place. [2021-08-13 15:18:26,213 INFO L132 encePairwiseOnDemand]: 115/130 looper letters, 771 selfloop transitions, 486 changer transitions 289/1652 dead transitions. [2021-08-13 15:18:26,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 1652 transitions, 16316 flow [2021-08-13 15:18:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 15:18:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 15:18:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1518 transitions. [2021-08-13 15:18:26,216 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8982248520710059 [2021-08-13 15:18:26,217 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1518 transitions. [2021-08-13 15:18:26,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1518 transitions. [2021-08-13 15:18:26,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:18:26,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1518 transitions. [2021-08-13 15:18:26,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.76923076923077) internal successors, (1518), 13 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:26,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:26,222 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:26,222 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 48 predicate places. [2021-08-13 15:18:26,222 INFO L482 AbstractCegarLoop]: Abstraction has has 185 places, 1652 transitions, 16316 flow [2021-08-13 15:18:26,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:26,222 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:18:26,222 INFO L266 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] [2021-08-13 15:18:26,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 15:18:26,223 INFO L430 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:18:26,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:18:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash -365960486, now seen corresponding path program 1 times [2021-08-13 15:18:26,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:18:26,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168921712] [2021-08-13 15:18:26,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:18:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:18:26,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:26,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:26,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:18:26,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-13 15:18:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 15:18:26,278 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 15:18:26,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 15:18:26,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:26,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:26,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:26,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:26,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:26,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:18:26,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:18:26,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168921712] [2021-08-13 15:18:26,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168921712] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:18:26,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:18:26,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 15:18:26,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635853517] [2021-08-13 15:18:26,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 15:18:26,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:18:26,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 15:18:26,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 15:18:26,302 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2021-08-13 15:18:26,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 1652 transitions, 16316 flow. Second operand has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:26,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:18:26,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2021-08-13 15:18:26,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:18:49,461 INFO L129 PetriNetUnfolder]: 33597/104582 cut-off events. [2021-08-13 15:18:49,461 INFO L130 PetriNetUnfolder]: For 45452/191174 co-relation queries the response was YES. [2021-08-13 15:18:50,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301441 conditions, 104582 events. 33597/104582 cut-off events. For 45452/191174 co-relation queries the response was YES. Maximal size of possible extension queue 8222. Compared 1705334 event pairs, 9744 based on Foata normal form. 1774/99202 useless extension candidates. Maximal degree in co-relation 301353. Up to 25528 conditions per place. [2021-08-13 15:18:50,422 INFO L132 encePairwiseOnDemand]: 118/130 looper letters, 1271 selfloop transitions, 773 changer transitions 751/2901 dead transitions. [2021-08-13 15:18:50,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 2901 transitions, 34696 flow [2021-08-13 15:18:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 15:18:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 15:18:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1501 transitions. [2021-08-13 15:18:50,437 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8881656804733727 [2021-08-13 15:18:50,437 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1501 transitions. [2021-08-13 15:18:50,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1501 transitions. [2021-08-13 15:18:50,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:18:50,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1501 transitions. [2021-08-13 15:18:50,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.46153846153847) internal successors, (1501), 13 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:50,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:50,459 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 130.0) internal successors, (1820), 14 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:50,460 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 60 predicate places. [2021-08-13 15:18:50,460 INFO L482 AbstractCegarLoop]: Abstraction has has 197 places, 2901 transitions, 34696 flow [2021-08-13 15:18:50,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:50,460 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:18:50,460 INFO L266 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] [2021-08-13 15:18:50,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 15:18:50,460 INFO L430 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:18:50,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:18:50,461 INFO L82 PathProgramCache]: Analyzing trace with hash -157780585, now seen corresponding path program 1 times [2021-08-13 15:18:50,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:18:50,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670552054] [2021-08-13 15:18:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:18:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:18:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:50,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:50,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:50,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:18:50,606 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 15:18:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 15:18:50,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 15:18:50,633 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 15:18:50,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:18:50,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:18:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:18:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:18:50,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:18:50,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670552054] [2021-08-13 15:18:50,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670552054] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:18:50,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:18:50,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 15:18:50,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397148196] [2021-08-13 15:18:50,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 15:18:50,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:18:50,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 15:18:50,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 15:18:50,642 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 130 [2021-08-13 15:18:50,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 2901 transitions, 34696 flow. Second operand has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:18:50,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:18:50,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 130 [2021-08-13 15:18:50,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:19:16,104 INFO L129 PetriNetUnfolder]: 29470/90979 cut-off events. [2021-08-13 15:19:16,104 INFO L130 PetriNetUnfolder]: For 27222/49605 co-relation queries the response was YES. [2021-08-13 15:19:16,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253317 conditions, 90979 events. 29470/90979 cut-off events. For 27222/49605 co-relation queries the response was YES. Maximal size of possible extension queue 5167. Compared 1426414 event pairs, 5384 based on Foata normal form. 67/85716 useless extension candidates. Maximal degree in co-relation 253226. Up to 14467 conditions per place. [2021-08-13 15:19:17,237 INFO L132 encePairwiseOnDemand]: 119/130 looper letters, 29 selfloop transitions, 20 changer transitions 513/1902 dead transitions. [2021-08-13 15:19:17,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 1902 transitions, 22004 flow [2021-08-13 15:19:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 15:19:17,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 15:19:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1201 transitions. [2021-08-13 15:19:17,261 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9238461538461539 [2021-08-13 15:19:17,261 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1201 transitions. [2021-08-13 15:19:17,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1201 transitions. [2021-08-13 15:19:17,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:19:17,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1201 transitions. [2021-08-13 15:19:17,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:19:17,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 130.0) internal successors, (1430), 11 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:19:17,265 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 130.0) internal successors, (1430), 11 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:19:17,265 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 69 predicate places. [2021-08-13 15:19:17,265 INFO L482 AbstractCegarLoop]: Abstraction has has 206 places, 1902 transitions, 22004 flow [2021-08-13 15:19:17,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:19:17,266 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:19:17,266 INFO L266 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] [2021-08-13 15:19:17,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 15:19:17,266 INFO L430 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:19:17,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:19:17,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1892943190, now seen corresponding path program 1 times [2021-08-13 15:19:17,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:19:17,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733403391] [2021-08-13 15:19:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:19:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:19:17,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:19:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:19:17,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:19:17,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:19:17,437 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 15:19:17,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 15:19:17,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:19:17,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:19:17,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:19:17,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:19:17,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:19:17,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:19:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:19:17,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:19:17,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733403391] [2021-08-13 15:19:17,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733403391] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:19:17,467 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:19:17,467 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 15:19:17,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717621561] [2021-08-13 15:19:17,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 15:19:17,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:19:17,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 15:19:17,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 15:19:17,469 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 130 [2021-08-13 15:19:17,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 1902 transitions, 22004 flow. Second operand has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:19:17,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:19:17,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 130 [2021-08-13 15:19:17,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 15:20:00,349 INFO L129 PetriNetUnfolder]: 50339/162502 cut-off events. [2021-08-13 15:20:00,349 INFO L130 PetriNetUnfolder]: For 74390/108482 co-relation queries the response was YES. [2021-08-13 15:20:01,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463033 conditions, 162502 events. 50339/162502 cut-off events. For 74390/108482 co-relation queries the response was YES. Maximal size of possible extension queue 10207. Compared 2797686 event pairs, 11441 based on Foata normal form. 199/152722 useless extension candidates. Maximal degree in co-relation 462939. Up to 26780 conditions per place. [2021-08-13 15:20:02,107 INFO L132 encePairwiseOnDemand]: 124/130 looper letters, 607 selfloop transitions, 377 changer transitions 848/2560 dead transitions. [2021-08-13 15:20:02,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 2560 transitions, 32874 flow [2021-08-13 15:20:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 15:20:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 15:20:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1083 transitions. [2021-08-13 15:20:02,112 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9256410256410257 [2021-08-13 15:20:02,112 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1083 transitions. [2021-08-13 15:20:02,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1083 transitions. [2021-08-13 15:20:02,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 15:20:02,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1083 transitions. [2021-08-13 15:20:02,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 120.33333333333333) internal successors, (1083), 9 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:20:02,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:20:02,136 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 130.0) internal successors, (1300), 10 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:20:02,136 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 77 predicate places. [2021-08-13 15:20:02,136 INFO L482 AbstractCegarLoop]: Abstraction has has 214 places, 2560 transitions, 32874 flow [2021-08-13 15:20:02,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:20:02,137 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 15:20:02,137 INFO L266 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] [2021-08-13 15:20:02,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 15:20:02,137 INFO L430 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 15:20:02,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 15:20:02,137 INFO L82 PathProgramCache]: Analyzing trace with hash 198323264, now seen corresponding path program 1 times [2021-08-13 15:20:02,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 15:20:02,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872081608] [2021-08-13 15:20:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 15:20:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 15:20:02,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:20:02,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:20:02,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:20:02,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:20:02,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:20:02,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 15:20:02,276 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 15:20:02,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 15:20:02,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:20:02,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 15:20:02,294 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 15:20:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 15:20:02,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 15:20:02,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 15:20:02,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 15:20:02,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 15:20:02,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872081608] [2021-08-13 15:20:02,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872081608] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 15:20:02,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 15:20:02,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 15:20:02,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144628610] [2021-08-13 15:20:02,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 15:20:02,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 15:20:02,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 15:20:02,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 15:20:02,319 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 130 [2021-08-13 15:20:02,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 2560 transitions, 32874 flow. Second operand has 7 states, 7 states have (on average 116.14285714285714) internal successors, (813), 7 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 15:20:02,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 15:20:02,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 130 [2021-08-13 15:20:02,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand