/usr/bin/java -Xmx16000000000 -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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:10:43,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:10:43,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:10:43,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:10:43,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:10:43,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:10:43,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:10:43,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:10:43,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:10:43,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:10:43,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:10:43,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:10:43,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:10:43,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:10:43,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:10:43,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:10:43,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:10:43,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:10:43,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:10:43,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:10:43,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:10:43,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:10:43,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:10:43,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:10:43,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:10:43,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:10:43,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:10:43,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:10:43,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:10:43,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:10:43,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:10:43,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:10:43,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:10:43,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:10:43,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:10:43,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:10:43,202 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:10:43,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:10:43,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:10:43,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:10:43,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:10:43,232 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:10:43,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:10:43,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:10:43,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:10:43,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:10:43,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:10:43,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:10:43,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:10:43,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:10:43,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:10:43,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:10:43,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:10:43,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:10:43,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:10:43,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:10:43,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:10:43,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:10:43,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:10:43,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:10:43,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:10:43,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:10:43,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:10:43,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:10:43,238 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:10:43,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:10:43,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:10:43,239 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:10:43,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:10:43,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:10:43,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:10:43,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:10:43,679 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:10:43,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i [2021-04-28 20:10:43,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123087196/a429d3f7a36640fcbabe1e6d54199918/FLAG10dfe5471 [2021-04-28 20:10:44,518 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:10:44,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i [2021-04-28 20:10:44,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123087196/a429d3f7a36640fcbabe1e6d54199918/FLAG10dfe5471 [2021-04-28 20:10:44,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123087196/a429d3f7a36640fcbabe1e6d54199918 [2021-04-28 20:10:44,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:10:44,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:10:44,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:10:44,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:10:44,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:10:44,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:10:44" (1/1) ... [2021-04-28 20:10:44,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446b77a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:44, skipping insertion in model container [2021-04-28 20:10:44,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:10:44" (1/1) ... [2021-04-28 20:10:44,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:10:44,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:10:45,035 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i[991,1004] [2021-04-28 20:10:45,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:10:45,313 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:10:45,326 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i[991,1004] [2021-04-28 20:10:45,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:10:45,536 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:10:45,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45 WrapperNode [2021-04-28 20:10:45,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:10:45,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:10:45,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:10:45,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:10:45,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:10:45,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:10:45,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:10:45,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:10:45,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (1/1) ... [2021-04-28 20:10:45,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:10:45,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:10:45,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:10:45,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:10:45,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (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 [2021-04-28 20:10:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:10:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:10:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:10:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:10:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:10:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:10:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:10:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:10:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:10:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:10:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:10:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:10:45,761 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:10:47,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:10:47,644 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:10:47,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:10:47 BoogieIcfgContainer [2021-04-28 20:10:47,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:10:47,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:10:47,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:10:47,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:10:47,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:10:44" (1/3) ... [2021-04-28 20:10:47,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:10:47, skipping insertion in model container [2021-04-28 20:10:47,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:10:45" (2/3) ... [2021-04-28 20:10:47,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:10:47, skipping insertion in model container [2021-04-28 20:10:47,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:10:47" (3/3) ... [2021-04-28 20:10:47,661 INFO L111 eAbstractionObserver]: Analyzing ICFG mix034_pso.opt.i [2021-04-28 20:10:47,669 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:10:47,678 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:10:47,679 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:10:47,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,721 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,721 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,744 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,744 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,745 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,745 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,745 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,746 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,746 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,754 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,755 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,755 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,760 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,760 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:10:47,766 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:10:47,789 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 20:10:47,813 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:10:47,813 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:10:47,813 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:10:47,813 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:10:47,814 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:10:47,814 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:10:47,814 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:10:47,814 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:10:47,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 20:10:47,873 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 20:10:47,873 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:10:47,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 20:10:47,877 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 20:10:47,883 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 82 transitions, 170 flow [2021-04-28 20:10:47,885 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:10:47,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 20:10:47,907 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 20:10:47,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 170 flow [2021-04-28 20:10:47,932 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 20:10:47,933 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:10:47,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 20:10:47,937 INFO L146 LiptonReduction]: Number of co-enabled transitions 968 [2021-04-28 20:10:49,044 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-04-28 20:10:49,151 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 20:10:49,741 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-04-28 20:10:49,983 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:11:02,811 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:11:02,969 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:11:03,132 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:11:03,278 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:11:03,685 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:11:03,836 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:11:03,988 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:11:04,146 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:11:04,299 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:11:05,165 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:11:05,283 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:11:05,400 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:11:05,507 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:11:05,636 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:11:05,770 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:11:05,909 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:11:06,043 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:11:06,192 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:11:06,368 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:11:06,514 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:11:06,665 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:11:06,797 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:11:06,932 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:11:07,061 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:11:07,190 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:11:07,627 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 20:11:07,827 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 20:11:08,266 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 20:11:08,472 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 20:11:08,990 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:09,144 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:09,300 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:09,459 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:09,637 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:09,816 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:09,995 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:10,176 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:10,623 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 20:11:10,843 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:11:11,294 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 20:11:11,502 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:11:11,619 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:11:12,079 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:12,257 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:12,443 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:12,620 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:13,056 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:11:13,176 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:11:13,290 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:11:13,405 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:11:13,564 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:13,726 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:13,892 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:14,055 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:11:14,277 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:11:14,389 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:11:14,500 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:11:14,692 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:11:14,882 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:11:15,072 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:11:15,261 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:11:15,673 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:11:15,784 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:11:15,896 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:11:16,010 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:11:16,163 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:11:16,315 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:11:16,475 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:11:16,630 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:11:16,811 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:16,998 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:17,172 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:17,350 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:11:17,559 INFO L158 LiptonReduction]: Checked pairs total: 7385 [2021-04-28 20:11:17,559 INFO L160 LiptonReduction]: Total number of compositions: 201 [2021-04-28 20:11:17,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29686 [2021-04-28 20:11:17,597 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 20:11:17,597 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:11:17,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:17,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 20:11:17,599 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:17,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:17,608 INFO L82 PathProgramCache]: Analyzing trace with hash 909366961, now seen corresponding path program 1 times [2021-04-28 20:11:17,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:17,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362274671] [2021-04-28 20:11:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:11:17,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:17,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:11:18,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362274671] [2021-04-28 20:11:18,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:11:18,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:11:18,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013994287] [2021-04-28 20:11:18,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:11:18,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:11:18,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:11:18,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:11:18,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 285 [2021-04-28 20:11:18,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 98 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:18,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:11:18,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 285 [2021-04-28 20:11:18,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:11:18,199 INFO L129 PetriNetUnfolder]: 17/143 cut-off events. [2021-04-28 20:11:18,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:11:18,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 143 events. 17/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 805 event pairs, 1 based on Foata normal form. 19/68 useless extension candidates. Maximal degree in co-relation 139. Up to 33 conditions per place. [2021-04-28 20:11:18,205 INFO L132 encePairwiseOnDemand]: 268/285 looper letters, 5 selfloop transitions, 4 changer transitions 42/97 dead transitions. [2021-04-28 20:11:18,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 97 transitions, 240 flow [2021-04-28 20:11:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:11:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:11:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 690 transitions. [2021-04-28 20:11:18,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2021-04-28 20:11:18,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 690 transitions. [2021-04-28 20:11:18,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 690 transitions. [2021-04-28 20:11:18,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:11:18,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 690 transitions. [2021-04-28 20:11:18,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:18,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 285.0) internal successors, (1140), 4 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:18,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 285.0) internal successors, (1140), 4 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:18,289 INFO L185 Difference]: Start difference. First operand has 104 places, 98 transitions, 202 flow. Second operand 3 states and 690 transitions. [2021-04-28 20:11:18,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 97 transitions, 240 flow [2021-04-28 20:11:18,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 97 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:11:18,296 INFO L241 Difference]: Finished difference. Result has 102 places, 53 transitions, 118 flow [2021-04-28 20:11:18,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=102, PETRI_TRANSITIONS=53} [2021-04-28 20:11:18,300 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -2 predicate places. [2021-04-28 20:11:18,300 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:11:18,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 53 transitions, 118 flow [2021-04-28 20:11:18,302 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 53 transitions, 118 flow [2021-04-28 20:11:18,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 53 transitions, 118 flow [2021-04-28 20:11:18,316 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 20:11:18,317 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:11:18,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 257 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:11:18,318 INFO L146 LiptonReduction]: Number of co-enabled transitions 1200 [2021-04-28 20:11:18,807 INFO L158 LiptonReduction]: Checked pairs total: 1486 [2021-04-28 20:11:18,808 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:11:18,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-04-28 20:11:18,816 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 118 flow [2021-04-28 20:11:18,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:18,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:18,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:11:18,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:11:18,818 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2023423243, now seen corresponding path program 1 times [2021-04-28 20:11:18,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:18,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129443005] [2021-04-28 20:11:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:11:18,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 20:11:18,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:11:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:11:18,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129443005] [2021-04-28 20:11:18,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:11:18,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:11:18,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031893635] [2021-04-28 20:11:18,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:11:18,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:11:18,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:11:18,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:11:18,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 285 [2021-04-28 20:11:18,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:18,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:11:18,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 285 [2021-04-28 20:11:18,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:11:19,139 INFO L129 PetriNetUnfolder]: 150/564 cut-off events. [2021-04-28 20:11:19,139 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:11:19,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 564 events. 150/564 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 4704 event pairs, 39 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 896. Up to 266 conditions per place. [2021-04-28 20:11:19,143 INFO L132 encePairwiseOnDemand]: 269/285 looper letters, 4 selfloop transitions, 3 changer transitions 41/75 dead transitions. [2021-04-28 20:11:19,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 75 transitions, 258 flow [2021-04-28 20:11:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:11:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:11:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 638 transitions. [2021-04-28 20:11:19,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7461988304093568 [2021-04-28 20:11:19,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 638 transitions. [2021-04-28 20:11:19,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 638 transitions. [2021-04-28 20:11:19,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:11:19,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 638 transitions. [2021-04-28 20:11:19,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 285.0) internal successors, (1140), 4 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 285.0) internal successors, (1140), 4 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,154 INFO L185 Difference]: Start difference. First operand has 60 places, 53 transitions, 118 flow. Second operand 3 states and 638 transitions. [2021-04-28 20:11:19,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 75 transitions, 258 flow [2021-04-28 20:11:19,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 75 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:11:19,156 INFO L241 Difference]: Finished difference. Result has 61 places, 34 transitions, 89 flow [2021-04-28 20:11:19,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=61, PETRI_TRANSITIONS=34} [2021-04-28 20:11:19,157 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -43 predicate places. [2021-04-28 20:11:19,157 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:11:19,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 34 transitions, 89 flow [2021-04-28 20:11:19,158 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 34 transitions, 89 flow [2021-04-28 20:11:19,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 89 flow [2021-04-28 20:11:19,167 INFO L129 PetriNetUnfolder]: 7/52 cut-off events. [2021-04-28 20:11:19,168 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:11:19,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 52 events. 7/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 212 event pairs, 5 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 71. Up to 18 conditions per place. [2021-04-28 20:11:19,169 INFO L146 LiptonReduction]: Number of co-enabled transitions 562 [2021-04-28 20:11:19,261 INFO L158 LiptonReduction]: Checked pairs total: 246 [2021-04-28 20:11:19,262 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:11:19,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-04-28 20:11:19,263 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 89 flow [2021-04-28 20:11:19,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:19,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:11:19,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:11:19,265 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:19,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:19,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1110508931, now seen corresponding path program 1 times [2021-04-28 20:11:19,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:19,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256908511] [2021-04-28 20:11:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:11:19,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:19,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:11:19,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256908511] [2021-04-28 20:11:19,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:11:19,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:11:19,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826368352] [2021-04-28 20:11:19,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:11:19,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:11:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:11:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:11:19,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 285 [2021-04-28 20:11:19,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:11:19,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 285 [2021-04-28 20:11:19,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:11:19,384 INFO L129 PetriNetUnfolder]: 6/47 cut-off events. [2021-04-28 20:11:19,384 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-28 20:11:19,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 47 events. 6/47 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 166 event pairs, 2 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 70. Up to 16 conditions per place. [2021-04-28 20:11:19,385 INFO L132 encePairwiseOnDemand]: 282/285 looper letters, 1 selfloop transitions, 3 changer transitions 3/34 dead transitions. [2021-04-28 20:11:19,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 97 flow [2021-04-28 20:11:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:11:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:11:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 622 transitions. [2021-04-28 20:11:19,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7274853801169591 [2021-04-28 20:11:19,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 622 transitions. [2021-04-28 20:11:19,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 622 transitions. [2021-04-28 20:11:19,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:11:19,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 622 transitions. [2021-04-28 20:11:19,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 285.0) internal successors, (1140), 4 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,395 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 285.0) internal successors, (1140), 4 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,395 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 89 flow. Second operand 3 states and 622 transitions. [2021-04-28 20:11:19,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 97 flow [2021-04-28 20:11:19,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 34 transitions, 94 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:11:19,397 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 91 flow [2021-04-28 20:11:19,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-04-28 20:11:19,397 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -62 predicate places. [2021-04-28 20:11:19,397 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:11:19,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 31 transitions, 91 flow [2021-04-28 20:11:19,398 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 31 transitions, 91 flow [2021-04-28 20:11:19,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 31 transitions, 91 flow [2021-04-28 20:11:19,407 INFO L129 PetriNetUnfolder]: 6/58 cut-off events. [2021-04-28 20:11:19,407 INFO L130 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2021-04-28 20:11:19,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 58 events. 6/58 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 224 event pairs, 5 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 81. Up to 16 conditions per place. [2021-04-28 20:11:19,408 INFO L146 LiptonReduction]: Number of co-enabled transitions 452 [2021-04-28 20:11:19,411 INFO L158 LiptonReduction]: Checked pairs total: 229 [2021-04-28 20:11:19,411 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:11:19,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-04-28 20:11:19,413 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 91 flow [2021-04-28 20:11:19,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:19,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:11:19,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:11:19,414 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:19,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:19,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1110530600, now seen corresponding path program 1 times [2021-04-28 20:11:19,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:19,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539598049] [2021-04-28 20:11:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:11:19,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:19,532 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-28 20:11:19,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 20:11:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:11:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:11:19,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539598049] [2021-04-28 20:11:19,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:11:19,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:11:19,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30326433] [2021-04-28 20:11:19,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:11:19,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:11:19,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:11:19,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:11:19,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 285 [2021-04-28 20:11:19,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 199.75) internal successors, (799), 4 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:11:19,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 285 [2021-04-28 20:11:19,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:11:19,677 INFO L129 PetriNetUnfolder]: 224/469 cut-off events. [2021-04-28 20:11:19,677 INFO L130 PetriNetUnfolder]: For 23/26 co-relation queries the response was YES. [2021-04-28 20:11:19,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 469 events. 224/469 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 2885 event pairs, 48 based on Foata normal form. 19/149 useless extension candidates. Maximal degree in co-relation 948. Up to 316 conditions per place. [2021-04-28 20:11:19,680 INFO L132 encePairwiseOnDemand]: 273/285 looper letters, 16 selfloop transitions, 14 changer transitions 9/55 dead transitions. [2021-04-28 20:11:19,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 55 transitions, 217 flow [2021-04-28 20:11:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:11:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:11:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1037 transitions. [2021-04-28 20:11:19,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.727719298245614 [2021-04-28 20:11:19,685 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1037 transitions. [2021-04-28 20:11:19,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1037 transitions. [2021-04-28 20:11:19,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:11:19,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1037 transitions. [2021-04-28 20:11:19,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 285.0) internal successors, (1710), 6 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,694 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 285.0) internal successors, (1710), 6 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,695 INFO L185 Difference]: Start difference. First operand has 39 places, 31 transitions, 91 flow. Second operand 5 states and 1037 transitions. [2021-04-28 20:11:19,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 55 transitions, 217 flow [2021-04-28 20:11:19,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 55 transitions, 211 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:11:19,700 INFO L241 Difference]: Finished difference. Result has 44 places, 43 transitions, 185 flow [2021-04-28 20:11:19,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=185, PETRI_PLACES=44, PETRI_TRANSITIONS=43} [2021-04-28 20:11:19,702 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -60 predicate places. [2021-04-28 20:11:19,703 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:11:19,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 43 transitions, 185 flow [2021-04-28 20:11:19,703 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 43 transitions, 185 flow [2021-04-28 20:11:19,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 43 transitions, 185 flow [2021-04-28 20:11:19,749 INFO L129 PetriNetUnfolder]: 68/268 cut-off events. [2021-04-28 20:11:19,750 INFO L130 PetriNetUnfolder]: For 84/87 co-relation queries the response was YES. [2021-04-28 20:11:19,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 268 events. 68/268 cut-off events. For 84/87 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1809 event pairs, 43 based on Foata normal form. 1/132 useless extension candidates. Maximal degree in co-relation 664. Up to 148 conditions per place. [2021-04-28 20:11:19,754 INFO L146 LiptonReduction]: Number of co-enabled transitions 528 [2021-04-28 20:11:19,814 INFO L158 LiptonReduction]: Checked pairs total: 283 [2021-04-28 20:11:19,815 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:11:19,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-04-28 20:11:19,816 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 185 flow [2021-04-28 20:11:19,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 199.75) internal successors, (799), 4 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:19,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:11:19,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:11:19,818 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:19,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:19,819 INFO L82 PathProgramCache]: Analyzing trace with hash -397101448, now seen corresponding path program 1 times [2021-04-28 20:11:19,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:19,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682908116] [2021-04-28 20:11:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:11:19,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:19,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:19,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:19,939 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-28 20:11:19,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 20:11:19,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:19,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:11:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:11:19,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682908116] [2021-04-28 20:11:19,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:11:19,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:11:19,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106038833] [2021-04-28 20:11:19,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:11:19,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:11:19,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:11:19,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:11:19,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 285 [2021-04-28 20:11:19,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 185 flow. Second operand has 5 states, 5 states have (on average 199.8) internal successors, (999), 5 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:19,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:11:19,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 285 [2021-04-28 20:11:19,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:11:20,145 INFO L129 PetriNetUnfolder]: 125/349 cut-off events. [2021-04-28 20:11:20,145 INFO L130 PetriNetUnfolder]: For 185/623 co-relation queries the response was YES. [2021-04-28 20:11:20,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 349 events. 125/349 cut-off events. For 185/623 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 2281 event pairs, 0 based on Foata normal form. 28/155 useless extension candidates. Maximal degree in co-relation 1108. Up to 166 conditions per place. [2021-04-28 20:11:20,147 INFO L132 encePairwiseOnDemand]: 273/285 looper letters, 8 selfloop transitions, 22 changer transitions 12/58 dead transitions. [2021-04-28 20:11:20,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 58 transitions, 324 flow [2021-04-28 20:11:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:11:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:11:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1438 transitions. [2021-04-28 20:11:20,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7208020050125313 [2021-04-28 20:11:20,154 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1438 transitions. [2021-04-28 20:11:20,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1438 transitions. [2021-04-28 20:11:20,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:11:20,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1438 transitions. [2021-04-28 20:11:20,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 205.42857142857142) internal successors, (1438), 7 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 285.0) internal successors, (2280), 8 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,167 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 285.0) internal successors, (2280), 8 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,167 INFO L185 Difference]: Start difference. First operand has 44 places, 43 transitions, 185 flow. Second operand 7 states and 1438 transitions. [2021-04-28 20:11:20,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 58 transitions, 324 flow [2021-04-28 20:11:20,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 58 transitions, 317 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 20:11:20,173 INFO L241 Difference]: Finished difference. Result has 52 places, 43 transitions, 249 flow [2021-04-28 20:11:20,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=52, PETRI_TRANSITIONS=43} [2021-04-28 20:11:20,173 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -52 predicate places. [2021-04-28 20:11:20,173 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:11:20,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 43 transitions, 249 flow [2021-04-28 20:11:20,174 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 43 transitions, 249 flow [2021-04-28 20:11:20,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 43 transitions, 249 flow [2021-04-28 20:11:20,193 INFO L129 PetriNetUnfolder]: 17/136 cut-off events. [2021-04-28 20:11:20,193 INFO L130 PetriNetUnfolder]: For 168/195 co-relation queries the response was YES. [2021-04-28 20:11:20,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 136 events. 17/136 cut-off events. For 168/195 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 791 event pairs, 1 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 467. Up to 64 conditions per place. [2021-04-28 20:11:20,196 INFO L146 LiptonReduction]: Number of co-enabled transitions 452 [2021-04-28 20:11:20,201 INFO L158 LiptonReduction]: Checked pairs total: 246 [2021-04-28 20:11:20,201 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:11:20,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-28 20:11:20,203 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 249 flow [2021-04-28 20:11:20,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 199.8) internal successors, (999), 5 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:20,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:11:20,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:11:20,205 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:20,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:20,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1115518841, now seen corresponding path program 1 times [2021-04-28 20:11:20,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:20,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829488885] [2021-04-28 20:11:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:11:20,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:20,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:11:20,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:20,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:20,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:11:20,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:11:20,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:11:20,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829488885] [2021-04-28 20:11:20,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:11:20,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:11:20,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204961631] [2021-04-28 20:11:20,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:11:20,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:11:20,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:11:20,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:11:20,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 285 [2021-04-28 20:11:20,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:11:20,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 285 [2021-04-28 20:11:20,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:11:20,334 INFO L129 PetriNetUnfolder]: 29/197 cut-off events. [2021-04-28 20:11:20,334 INFO L130 PetriNetUnfolder]: For 267/300 co-relation queries the response was YES. [2021-04-28 20:11:20,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 197 events. 29/197 cut-off events. For 267/300 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 1341 event pairs, 0 based on Foata normal form. 9/124 useless extension candidates. Maximal degree in co-relation 724. Up to 100 conditions per place. [2021-04-28 20:11:20,336 INFO L132 encePairwiseOnDemand]: 282/285 looper letters, 3 selfloop transitions, 1 changer transitions 13/44 dead transitions. [2021-04-28 20:11:20,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 44 transitions, 263 flow [2021-04-28 20:11:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:11:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:11:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 746 transitions. [2021-04-28 20:11:20,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6543859649122807 [2021-04-28 20:11:20,340 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 746 transitions. [2021-04-28 20:11:20,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 746 transitions. [2021-04-28 20:11:20,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:11:20,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 746 transitions. [2021-04-28 20:11:20,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 186.5) internal successors, (746), 4 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 285.0) internal successors, (1425), 5 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,347 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 285.0) internal successors, (1425), 5 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:20,347 INFO L185 Difference]: Start difference. First operand has 50 places, 43 transitions, 249 flow. Second operand 4 states and 746 transitions. [2021-04-28 20:11:20,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 44 transitions, 263 flow [2021-04-28 20:11:20,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 44 transitions, 202 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-04-28 20:11:20,355 INFO L241 Difference]: Finished difference. Result has 49 places, 31 transitions, 127 flow [2021-04-28 20:11:20,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=49, PETRI_TRANSITIONS=31} [2021-04-28 20:11:20,357 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -55 predicate places. [2021-04-28 20:11:20,357 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:11:20,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 31 transitions, 127 flow [2021-04-28 20:11:20,358 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 31 transitions, 127 flow [2021-04-28 20:11:20,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 127 flow [2021-04-28 20:11:20,369 INFO L129 PetriNetUnfolder]: 9/72 cut-off events. [2021-04-28 20:11:20,369 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-04-28 20:11:20,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 72 events. 9/72 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 272 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 160. Up to 28 conditions per place. [2021-04-28 20:11:20,370 INFO L146 LiptonReduction]: Number of co-enabled transitions 246 [2021-04-28 20:11:21,616 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-28 20:11:22,125 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-04-28 20:11:24,525 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-28 20:11:25,626 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 254 [2021-04-28 20:11:25,873 INFO L158 LiptonReduction]: Checked pairs total: 153 [2021-04-28 20:11:25,873 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 20:11:25,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5516 [2021-04-28 20:11:25,875 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 130 flow [2021-04-28 20:11:25,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:11:25,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:11:25,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:11:25,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:11:25,877 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:11:25,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:11:25,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1156185982, now seen corresponding path program 1 times [2021-04-28 20:11:25,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:11:25,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453051082] [2021-04-28 20:11:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:11:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:11:26,004 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:11:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:11:26,061 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:11:26,106 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:11:26,106 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:11:26,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:11:26,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:11:26 BasicIcfg [2021-04-28 20:11:26,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:11:26,244 INFO L168 Benchmark]: Toolchain (without parser) took 41488.86 ms. Allocated memory was 302.0 MB in the beginning and 723.5 MB in the end (delta: 421.5 MB). Free memory was 277.4 MB in the beginning and 612.7 MB in the end (delta: -335.3 MB). Peak memory consumption was 87.7 MB. Max. memory is 16.0 GB. [2021-04-28 20:11:26,245 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:11:26,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.60 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 280.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 20:11:26,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.87 ms. Allocated memory is still 302.0 MB. Free memory was 280.1 MB in the beginning and 278.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:11:26,246 INFO L168 Benchmark]: Boogie Preprocessor took 37.80 ms. Allocated memory is still 302.0 MB. Free memory was 278.0 MB in the beginning and 276.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:11:26,247 INFO L168 Benchmark]: RCFGBuilder took 1993.08 ms. Allocated memory was 302.0 MB in the beginning and 381.7 MB in the end (delta: 79.7 MB). Free memory was 276.0 MB in the beginning and 347.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 171.9 MB. Max. memory is 16.0 GB. [2021-04-28 20:11:26,249 INFO L168 Benchmark]: TraceAbstraction took 38590.79 ms. Allocated memory was 381.7 MB in the beginning and 723.5 MB in the end (delta: 341.8 MB). Free memory was 347.3 MB in the beginning and 612.7 MB in the end (delta: -265.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.0 GB. [2021-04-28 20:11:26,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 735.60 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 280.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.87 ms. Allocated memory is still 302.0 MB. Free memory was 280.1 MB in the beginning and 278.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.80 ms. Allocated memory is still 302.0 MB. Free memory was 278.0 MB in the beginning and 276.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1993.08 ms. Allocated memory was 302.0 MB in the beginning and 381.7 MB in the end (delta: 79.7 MB). Free memory was 276.0 MB in the beginning and 347.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 171.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 38590.79 ms. Allocated memory was 381.7 MB in the beginning and 723.5 MB in the end (delta: 341.8 MB). Free memory was 347.3 MB in the beginning and 612.7 MB in the end (delta: -265.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29652.5ms, 87 PlacesBefore, 104 PlacesAfterwards, 82 TransitionsBefore, 98 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 7 FixpointIterations, 117 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 201 TotalNumberOfCompositions, 7385 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3327, positive: 3167, positive conditional: 3167, positive unconditional: 0, negative: 160, negative conditional: 160, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1454, positive: 1393, positive conditional: 0, positive unconditional: 1393, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1454, positive: 1393, positive conditional: 0, positive unconditional: 1393, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1454, positive: 1377, positive conditional: 0, positive unconditional: 1377, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 77, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 976, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 919, negative conditional: 0, negative unconditional: 919, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3327, positive: 1774, positive conditional: 1774, positive unconditional: 0, negative: 99, negative conditional: 99, negative unconditional: 0, unknown: 1454, unknown conditional: 1454, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1406, Positive cache size: 1350, Positive conditional cache size: 1350, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.6ms, 102 PlacesBefore, 60 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1486 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 462, positive: 398, positive conditional: 398, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 144, positive: 124, positive conditional: 22, positive unconditional: 102, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 144, positive: 124, positive conditional: 22, positive unconditional: 102, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 144, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 423, negative conditional: 0, negative unconditional: 423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 462, positive: 274, positive conditional: 274, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 144, unknown conditional: 144, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1550, Positive cache size: 1474, Positive conditional cache size: 1474, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.6ms, 61 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 89, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 88, negative conditional: 57, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 89, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1557, Positive cache size: 1475, Positive conditional cache size: 1475, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 42 PlacesBefore, 39 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1560, Positive cache size: 1478, Positive conditional cache size: 1478, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.7ms, 44 PlacesBefore, 44 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 283 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 9, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 9, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 149, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1575, Positive cache size: 1492, Positive conditional cache size: 1492, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.6ms, 52 PlacesBefore, 50 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 163, positive: 133, positive conditional: 133, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1592, Positive cache size: 1509, Positive conditional cache size: 1509, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5515.1ms, 49 PlacesBefore, 42 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 153 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 123, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 6, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 6, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 123, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1609, Positive cache size: 1525, Positive conditional cache size: 1525, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L813] 0 pthread_t t903; [L814] FCALL, FORK 0 pthread_create(&t903, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L815] 0 pthread_t t904; [L816] FCALL, FORK 0 pthread_create(&t904, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L771] 2 x$w_buff1 = x$w_buff0 [L772] 2 x$w_buff0 = 1 [L773] 2 x$w_buff1_used = x$w_buff0_used [L774] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L776] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L777] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L778] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L782] 2 y = 1 [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L788] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L743] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L747] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L748] 1 x$flush_delayed = weak$$choice2 [L749] 1 x$mem_tmp = x [L750] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L750] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 __unbuffered_p0_EAX = x [L758] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L758] 1 x = x$flush_delayed ? x$mem_tmp : x [L759] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L818] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L823] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L824] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L824] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L825] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L825] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L826] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L829] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 38299.7ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 973.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 29766.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 34 SDslu, 6 SDs, 0 SdLazy, 163 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 257.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 84.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=5, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.4ms SsaConstructionTime, 393.0ms SatisfiabilityAnalysisTime, 427.1ms InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...