/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:08:17,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:08:17,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:08:17,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:08:17,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:08:17,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:08:17,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:08:17,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:08:17,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:08:17,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:08:17,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:08:17,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:08:17,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:08:17,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:08:17,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:08:17,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:08:17,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:08:17,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:08:17,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:08:17,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:08:17,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:08:17,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:08:17,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:08:17,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:08:17,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 20:08:17,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:08:17,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:08:17,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:08:17,667 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-SemanticLbe.epf [2021-03-11 20:08:17,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:08:17,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:08:17,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:08:17,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:08:17,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:08:17,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:08:17,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:08:17,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:08:17,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:08:17,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:08:17,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:08:17,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:08:17,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:08:17,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:08:17,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:08:17,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:08:17,919 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:08:17,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i [2021-03-11 20:08:17,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f0cc4cb/065ed07a7b3842059dd44d8ed7a36937/FLAG4c9eaa56f [2021-03-11 20:08:18,378 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:08:18,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i [2021-03-11 20:08:18,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f0cc4cb/065ed07a7b3842059dd44d8ed7a36937/FLAG4c9eaa56f [2021-03-11 20:08:18,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f0cc4cb/065ed07a7b3842059dd44d8ed7a36937 [2021-03-11 20:08:18,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:08:18,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:08:18,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:08:18,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:08:18,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:08:18,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:08:18" (1/1) ... [2021-03-11 20:08:18,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac4a003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:18, skipping insertion in model container [2021-03-11 20:08:18,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:08:18" (1/1) ... [2021-03-11 20:08:18,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:08:18,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:08:18,910 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/mix035_rmo.opt.i[991,1004] [2021-03-11 20:08:19,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:08:19,032 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:08:19,043 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/mix035_rmo.opt.i[991,1004] [2021-03-11 20:08:19,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:08:19,134 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:08:19,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19 WrapperNode [2021-03-11 20:08:19,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:08:19,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:08:19,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:08:19,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:08:19,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:08:19,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:08:19,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:08:19,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:08:19,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (1/1) ... [2021-03-11 20:08:19,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:08:19,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:08:19,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:08:19,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:08:19,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (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 [2021-03-11 20:08:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:08:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:08:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:08:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:08:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:08:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:08:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:08:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:08:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 20:08:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 20:08:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:08:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:08:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:08:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:08:19,272 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:08:20,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:08:20,384 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:08:20,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:08:20 BoogieIcfgContainer [2021-03-11 20:08:20,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:08:20,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:08:20,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:08:20,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:08:20,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:08:18" (1/3) ... [2021-03-11 20:08:20,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db6d1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:08:20, skipping insertion in model container [2021-03-11 20:08:20,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:08:19" (2/3) ... [2021-03-11 20:08:20,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db6d1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:08:20, skipping insertion in model container [2021-03-11 20:08:20,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:08:20" (3/3) ... [2021-03-11 20:08:20,389 INFO L111 eAbstractionObserver]: Analyzing ICFG mix035_rmo.opt.i [2021-03-11 20:08:20,394 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:08:20,396 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:08:20,397 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,420 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,441 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:08:20,442 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:08:20,453 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 20:08:20,465 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:08:20,465 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:08:20,466 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:08:20,466 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:08:20,466 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:08:20,466 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:08:20,466 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:08:20,466 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:08:20,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-03-11 20:08:20,494 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-11 20:08:20,494 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:08:20,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-11 20:08:20,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-03-11 20:08:20,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-03-11 20:08:20,502 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:08:20,507 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-11 20:08:20,509 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-11 20:08:20,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 207 flow [2021-03-11 20:08:20,522 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-11 20:08:20,522 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:08:20,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-11 20:08:20,524 INFO L116 LiptonReduction]: Number of co-enabled transitions 1750 [2021-03-11 20:08:21,037 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 20:08:21,397 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-11 20:08:21,519 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-11 20:08:22,547 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-11 20:08:22,672 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-11 20:08:24,547 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-11 20:08:24,678 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-11 20:08:24,916 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-11 20:08:25,039 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-11 20:08:25,172 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-11 20:08:25,290 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-11 20:08:25,408 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-11 20:08:25,526 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-11 20:08:25,533 INFO L131 LiptonReduction]: Checked pairs total: 4803 [2021-03-11 20:08:25,533 INFO L133 LiptonReduction]: Total number of compositions: 87 [2021-03-11 20:08:25,534 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5034 [2021-03-11 20:08:25,556 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-11 20:08:25,557 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:08:25,557 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:25,557 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 20:08:25,558 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:25,561 INFO L82 PathProgramCache]: Analyzing trace with hash 944883203, now seen corresponding path program 1 times [2021-03-11 20:08:25,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:25,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985219833] [2021-03-11 20:08:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:25,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:25,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985219833] [2021-03-11 20:08:25,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:25,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:08:25,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137245086] [2021-03-11 20:08:25,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:08:25,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:25,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:08:25,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:08:25,747 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 189 [2021-03-11 20:08:25,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:25,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 189 [2021-03-11 20:08:25,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:25,817 INFO L129 PetriNetUnfolder]: 29/95 cut-off events. [2021-03-11 20:08:25,817 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:08:25,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 95 events. 29/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 358 event pairs, 15 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 149. Up to 41 conditions per place. [2021-03-11 20:08:25,819 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 7 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-03-11 20:08:25,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 25 transitions, 77 flow [2021-03-11 20:08:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:08:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:08:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2021-03-11 20:08:25,833 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8589065255731922 [2021-03-11 20:08:25,833 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 487 transitions. [2021-03-11 20:08:25,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 487 transitions. [2021-03-11 20:08:25,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:25,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 487 transitions. [2021-03-11 20:08:25,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,849 INFO L185 Difference]: Start difference. First operand has 33 places, 23 transitions, 55 flow. Second operand 3 states and 487 transitions. [2021-03-11 20:08:25,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 25 transitions, 77 flow [2021-03-11 20:08:25,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 74 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-11 20:08:25,851 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 54 flow [2021-03-11 20:08:25,853 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-03-11 20:08:25,853 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2021-03-11 20:08:25,853 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 54 flow [2021-03-11 20:08:25,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,854 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:25,854 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:25,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:08:25,854 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:25,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1857960237, now seen corresponding path program 1 times [2021-03-11 20:08:25,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:25,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559597763] [2021-03-11 20:08:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:25,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:25,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:25,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559597763] [2021-03-11 20:08:25,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:25,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:08:25,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089530171] [2021-03-11 20:08:25,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:08:25,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:25,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:08:25,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:08:25,920 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 189 [2021-03-11 20:08:25,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:25,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 189 [2021-03-11 20:08:25,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:25,930 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-03-11 20:08:25,930 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:08:25,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 27 events. 1/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 40 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 35. Up to 5 conditions per place. [2021-03-11 20:08:25,930 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 1 selfloop transitions, 2 changer transitions 2/23 dead transitions. [2021-03-11 20:08:25,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 23 transitions, 66 flow [2021-03-11 20:08:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:08:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:08:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2021-03-11 20:08:25,932 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2021-03-11 20:08:25,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2021-03-11 20:08:25,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2021-03-11 20:08:25,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:25,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2021-03-11 20:08:25,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,935 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 54 flow. Second operand 3 states and 486 transitions. [2021-03-11 20:08:25,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 23 transitions, 66 flow [2021-03-11 20:08:25,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 23 transitions, 62 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:08:25,935 INFO L241 Difference]: Finished difference. Result has 32 places, 21 transitions, 56 flow [2021-03-11 20:08:25,936 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2021-03-11 20:08:25,936 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2021-03-11 20:08:25,936 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 56 flow [2021-03-11 20:08:25,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:25,936 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:25,937 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:25,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:08:25,937 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:25,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1206591497, now seen corresponding path program 1 times [2021-03-11 20:08:25,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:25,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882128632] [2021-03-11 20:08:25,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:26,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:08:26,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:08:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:26,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882128632] [2021-03-11 20:08:26,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:26,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:08:26,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175024944] [2021-03-11 20:08:26,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:08:26,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:26,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:08:26,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:08:26,019 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2021-03-11 20:08:26,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:26,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2021-03-11 20:08:26,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:26,057 INFO L129 PetriNetUnfolder]: 28/79 cut-off events. [2021-03-11 20:08:26,058 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:08:26,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 79 events. 28/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 289 event pairs, 12 based on Foata normal form. 8/85 useless extension candidates. Maximal degree in co-relation 147. Up to 45 conditions per place. [2021-03-11 20:08:26,059 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 5 selfloop transitions, 4 changer transitions 7/31 dead transitions. [2021-03-11 20:08:26,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 31 transitions, 108 flow [2021-03-11 20:08:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:08:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:08:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 798 transitions. [2021-03-11 20:08:26,061 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-03-11 20:08:26,061 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 798 transitions. [2021-03-11 20:08:26,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 798 transitions. [2021-03-11 20:08:26,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:26,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 798 transitions. [2021-03-11 20:08:26,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.6) internal successors, (798), 5 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,065 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,065 INFO L185 Difference]: Start difference. First operand has 32 places, 21 transitions, 56 flow. Second operand 5 states and 798 transitions. [2021-03-11 20:08:26,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 31 transitions, 108 flow [2021-03-11 20:08:26,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:08:26,066 INFO L241 Difference]: Finished difference. Result has 36 places, 24 transitions, 88 flow [2021-03-11 20:08:26,066 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2021-03-11 20:08:26,066 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, 3 predicate places. [2021-03-11 20:08:26,066 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 88 flow [2021-03-11 20:08:26,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,067 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:26,067 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:26,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:08:26,067 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1944493315, now seen corresponding path program 1 times [2021-03-11 20:08:26,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:26,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137349912] [2021-03-11 20:08:26,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:26,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:08:26,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:08:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:26,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137349912] [2021-03-11 20:08:26,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:26,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:08:26,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16696047] [2021-03-11 20:08:26,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:08:26,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:26,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:08:26,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:08:26,149 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2021-03-11 20:08:26,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:26,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2021-03-11 20:08:26,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:26,191 INFO L129 PetriNetUnfolder]: 16/57 cut-off events. [2021-03-11 20:08:26,191 INFO L130 PetriNetUnfolder]: For 41/56 co-relation queries the response was YES. [2021-03-11 20:08:26,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 57 events. 16/57 cut-off events. For 41/56 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 150 event pairs, 2 based on Foata normal form. 13/69 useless extension candidates. Maximal degree in co-relation 171. Up to 35 conditions per place. [2021-03-11 20:08:26,192 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 5 selfloop transitions, 7 changer transitions 7/34 dead transitions. [2021-03-11 20:08:26,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 34 transitions, 184 flow [2021-03-11 20:08:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:08:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:08:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 957 transitions. [2021-03-11 20:08:26,194 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.843915343915344 [2021-03-11 20:08:26,195 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 957 transitions. [2021-03-11 20:08:26,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 957 transitions. [2021-03-11 20:08:26,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:26,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 957 transitions. [2021-03-11 20:08:26,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.5) internal successors, (957), 6 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,199 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,199 INFO L185 Difference]: Start difference. First operand has 36 places, 24 transitions, 88 flow. Second operand 6 states and 957 transitions. [2021-03-11 20:08:26,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 34 transitions, 184 flow [2021-03-11 20:08:26,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 34 transitions, 178 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-11 20:08:26,201 INFO L241 Difference]: Finished difference. Result has 40 places, 27 transitions, 138 flow [2021-03-11 20:08:26,201 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=40, PETRI_TRANSITIONS=27} [2021-03-11 20:08:26,201 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places. [2021-03-11 20:08:26,201 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 138 flow [2021-03-11 20:08:26,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,202 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:26,202 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:26,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:08:26,202 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:26,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:26,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1190285212, now seen corresponding path program 1 times [2021-03-11 20:08:26,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:26,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813760131] [2021-03-11 20:08:26,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:26,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:08:26,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:26,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813760131] [2021-03-11 20:08:26,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:26,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:08:26,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524864380] [2021-03-11 20:08:26,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:08:26,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:26,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:08:26,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:08:26,274 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 189 [2021-03-11 20:08:26,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:26,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 189 [2021-03-11 20:08:26,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:26,291 INFO L129 PetriNetUnfolder]: 23/80 cut-off events. [2021-03-11 20:08:26,291 INFO L130 PetriNetUnfolder]: For 135/152 co-relation queries the response was YES. [2021-03-11 20:08:26,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 80 events. 23/80 cut-off events. For 135/152 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 260 event pairs, 4 based on Foata normal form. 8/87 useless extension candidates. Maximal degree in co-relation 275. Up to 45 conditions per place. [2021-03-11 20:08:26,292 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 4 selfloop transitions, 2 changer transitions 0/29 dead transitions. [2021-03-11 20:08:26,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 156 flow [2021-03-11 20:08:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:08:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:08:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 635 transitions. [2021-03-11 20:08:26,293 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.83994708994709 [2021-03-11 20:08:26,293 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 635 transitions. [2021-03-11 20:08:26,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 635 transitions. [2021-03-11 20:08:26,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:26,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 635 transitions. [2021-03-11 20:08:26,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 158.75) internal successors, (635), 4 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,296 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,296 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 138 flow. Second operand 4 states and 635 transitions. [2021-03-11 20:08:26,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 156 flow [2021-03-11 20:08:26,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 126 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-11 20:08:26,298 INFO L241 Difference]: Finished difference. Result has 39 places, 28 transitions, 121 flow [2021-03-11 20:08:26,298 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=121, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2021-03-11 20:08:26,298 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2021-03-11 20:08:26,298 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 121 flow [2021-03-11 20:08:26,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,299 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:26,299 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:26,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:08:26,299 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:26,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:26,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1401467638, now seen corresponding path program 2 times [2021-03-11 20:08:26,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:26,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014772383] [2021-03-11 20:08:26,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:26,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:08:26,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:08:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:26,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014772383] [2021-03-11 20:08:26,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:26,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:08:26,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039190304] [2021-03-11 20:08:26,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 20:08:26,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:26,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 20:08:26,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 20:08:26,353 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2021-03-11 20:08:26,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 156.83333333333334) internal successors, (941), 6 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:26,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2021-03-11 20:08:26,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:26,392 INFO L129 PetriNetUnfolder]: 14/59 cut-off events. [2021-03-11 20:08:26,392 INFO L130 PetriNetUnfolder]: For 62/95 co-relation queries the response was YES. [2021-03-11 20:08:26,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 59 events. 14/59 cut-off events. For 62/95 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 157 event pairs, 0 based on Foata normal form. 28/86 useless extension candidates. Maximal degree in co-relation 184. Up to 33 conditions per place. [2021-03-11 20:08:26,393 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 2 selfloop transitions, 10 changer transitions 5/32 dead transitions. [2021-03-11 20:08:26,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 32 transitions, 183 flow [2021-03-11 20:08:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:08:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:08:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1110 transitions. [2021-03-11 20:08:26,395 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8390022675736961 [2021-03-11 20:08:26,395 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1110 transitions. [2021-03-11 20:08:26,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1110 transitions. [2021-03-11 20:08:26,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:26,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1110 transitions. [2021-03-11 20:08:26,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.57142857142858) internal successors, (1110), 7 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,399 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,399 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 121 flow. Second operand 7 states and 1110 transitions. [2021-03-11 20:08:26,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 32 transitions, 183 flow [2021-03-11 20:08:26,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 32 transitions, 166 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-11 20:08:26,400 INFO L241 Difference]: Finished difference. Result has 46 places, 27 transitions, 136 flow [2021-03-11 20:08:26,400 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=136, PETRI_PLACES=46, PETRI_TRANSITIONS=27} [2021-03-11 20:08:26,401 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, 13 predicate places. [2021-03-11 20:08:26,401 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 27 transitions, 136 flow [2021-03-11 20:08:26,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 156.83333333333334) internal successors, (941), 6 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,401 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:26,401 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:26,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:08:26,401 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:26,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:26,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1407712882, now seen corresponding path program 1 times [2021-03-11 20:08:26,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:26,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593611912] [2021-03-11 20:08:26,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:08:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:08:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:08:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:08:26,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-11 20:08:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:08:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:08:26,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593611912] [2021-03-11 20:08:26,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:08:26,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:08:26,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870312803] [2021-03-11 20:08:26,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:08:26,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:08:26,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:08:26,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:08:26,445 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 189 [2021-03-11 20:08:26,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 27 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:08:26,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 189 [2021-03-11 20:08:26,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:08:26,476 INFO L129 PetriNetUnfolder]: 25/96 cut-off events. [2021-03-11 20:08:26,476 INFO L130 PetriNetUnfolder]: For 93/99 co-relation queries the response was YES. [2021-03-11 20:08:26,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 96 events. 25/96 cut-off events. For 93/99 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 355 event pairs, 0 based on Foata normal form. 2/96 useless extension candidates. Maximal degree in co-relation 257. Up to 29 conditions per place. [2021-03-11 20:08:26,476 INFO L132 encePairwiseOnDemand]: 182/189 looper letters, 5 selfloop transitions, 8 changer transitions 3/36 dead transitions. [2021-03-11 20:08:26,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 188 flow [2021-03-11 20:08:26,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:08:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:08:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 747 transitions. [2021-03-11 20:08:26,478 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2021-03-11 20:08:26,478 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 747 transitions. [2021-03-11 20:08:26,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 747 transitions. [2021-03-11 20:08:26,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:08:26,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 747 transitions. [2021-03-11 20:08:26,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,481 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,481 INFO L185 Difference]: Start difference. First operand has 46 places, 27 transitions, 136 flow. Second operand 5 states and 747 transitions. [2021-03-11 20:08:26,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 188 flow [2021-03-11 20:08:26,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 36 transitions, 154 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-11 20:08:26,482 INFO L241 Difference]: Finished difference. Result has 42 places, 33 transitions, 152 flow [2021-03-11 20:08:26,482 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=152, PETRI_PLACES=42, PETRI_TRANSITIONS=33} [2021-03-11 20:08:26,482 INFO L335 CegarLoopForPetriNet]: 33 programPoint places, 9 predicate places. [2021-03-11 20:08:26,483 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 33 transitions, 152 flow [2021-03-11 20:08:26,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:08:26,483 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:08:26,483 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:08:26,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:08:26,483 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:08:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:08:26,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1648739258, now seen corresponding path program 2 times [2021-03-11 20:08:26,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:08:26,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918646389] [2021-03-11 20:08:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:08:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:08:26,522 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:08:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:08:26,568 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:08:26,596 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 20:08:26,597 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 20:08:26,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:08:26,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:08:26 BasicIcfg [2021-03-11 20:08:26,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:08:26,658 INFO L168 Benchmark]: Toolchain (without parser) took 7929.07 ms. Allocated memory was 356.5 MB in the beginning and 574.6 MB in the end (delta: 218.1 MB). Free memory was 320.2 MB in the beginning and 327.8 MB in the end (delta: -7.6 MB). Peak memory consumption was 212.7 MB. Max. memory is 16.0 GB. [2021-03-11 20:08:26,658 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 356.5 MB. Free memory was 338.3 MB in the beginning and 338.2 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:08:26,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.86 ms. Allocated memory is still 356.5 MB. Free memory was 319.6 MB in the beginning and 319.5 MB in the end (delta: 160.3 kB). Peak memory consumption was 10.3 MB. Max. memory is 16.0 GB. [2021-03-11 20:08:26,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.06 ms. Allocated memory is still 356.5 MB. Free memory was 319.5 MB in the beginning and 316.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:08:26,659 INFO L168 Benchmark]: Boogie Preprocessor took 22.73 ms. Allocated memory is still 356.5 MB. Free memory was 316.3 MB in the beginning and 314.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:08:26,659 INFO L168 Benchmark]: RCFGBuilder took 1178.04 ms. Allocated memory is still 356.5 MB. Free memory was 314.2 MB in the beginning and 303.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. [2021-03-11 20:08:26,659 INFO L168 Benchmark]: TraceAbstraction took 6271.09 ms. Allocated memory was 356.5 MB in the beginning and 574.6 MB in the end (delta: 218.1 MB). Free memory was 303.7 MB in the beginning and 327.8 MB in the end (delta: -24.1 MB). Peak memory consumption was 195.0 MB. Max. memory is 16.0 GB. [2021-03-11 20:08:26,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 356.5 MB. Free memory was 338.3 MB in the beginning and 338.2 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 391.86 ms. Allocated memory is still 356.5 MB. Free memory was 319.6 MB in the beginning and 319.5 MB in the end (delta: 160.3 kB). Peak memory consumption was 10.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.06 ms. Allocated memory is still 356.5 MB. Free memory was 319.5 MB in the beginning and 316.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.73 ms. Allocated memory is still 356.5 MB. Free memory was 316.3 MB in the beginning and 314.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1178.04 ms. Allocated memory is still 356.5 MB. Free memory was 314.2 MB in the beginning and 303.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6271.09 ms. Allocated memory was 356.5 MB in the beginning and 574.6 MB in the end (delta: 218.1 MB). Free memory was 303.7 MB in the beginning and 327.8 MB in the end (delta: -24.1 MB). Peak memory consumption was 195.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5023.8ms, 107 PlacesBefore, 33 PlacesAfterwards, 99 TransitionsBefore, 23 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 87 TotalNumberOfCompositions, 4803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2342, positive: 2158, positive conditional: 0, positive unconditional: 2158, negative: 184, negative conditional: 0, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1263, positive: 1194, positive conditional: 0, positive unconditional: 1194, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1263, positive: 1183, positive conditional: 0, positive unconditional: 1183, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 666, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 634, negative conditional: 0, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2342, positive: 964, positive conditional: 0, positive unconditional: 964, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 1263, unknown conditional: 0, unknown unconditional: 1263] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 118, Positive conditional cache size: 0, Positive unconditional cache size: 118, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L725] 0 _Bool x$flush_delayed; [L726] 0 int x$mem_tmp; [L727] 0 _Bool x$r_buff0_thd0; [L728] 0 _Bool x$r_buff0_thd1; [L729] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool x$r_buff0_thd3; [L731] 0 _Bool x$r_buff1_thd0; [L732] 0 _Bool x$r_buff1_thd1; [L733] 0 _Bool x$r_buff1_thd2; [L734] 0 _Bool x$r_buff1_thd3; [L735] 0 _Bool x$read_delayed; [L736] 0 int *x$read_delayed_var; [L737] 0 int x$w_buff0; [L738] 0 _Bool x$w_buff0_used; [L739] 0 int x$w_buff1; [L740] 0 _Bool x$w_buff1_used; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L841] 0 pthread_t t928; [L842] FCALL, FORK 0 pthread_create(&t928, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L843] 0 pthread_t t929; [L844] FCALL, FORK 0 pthread_create(&t929, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L845] 0 pthread_t t930; [L846] FCALL, FORK 0 pthread_create(&t930, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L778] 2 x$w_buff1 = x$w_buff0 [L779] 2 x$w_buff0 = 1 [L780] 2 x$w_buff1_used = x$w_buff0_used [L781] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L783] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L784] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L785] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L786] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L787] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L790] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L807] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L810] 3 z = 1 [L813] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L816] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L819] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L819] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L820] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L820] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L821] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L821] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L822] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L822] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L823] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L823] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L753] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L754] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L755] 1 x$flush_delayed = weak$$choice2 [L756] 1 x$mem_tmp = x [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L757] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L758] EXPR 1 weak$$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$w_buff0)) [L758] EXPR 1 !x$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) [L758] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L758] 1 x$w_buff0 = weak$$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)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L759] EXPR 1 weak$$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$w_buff1)) [L759] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L760] EXPR 1 weak$$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)) [L760] 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) [L760] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L760] 1 x$w_buff0_used = weak$$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)) [L761] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L761] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 weak$$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)) [L762] 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) [L762] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L762] 1 x$r_buff0_thd1 = weak$$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)) [L763] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L763] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 __unbuffered_p0_EAX = x [L765] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L765] 1 x = x$flush_delayed ? x$mem_tmp : x [L766] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 1 return 0; [L793] 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) [L793] 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) [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L794] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L795] 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 [L796] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L796] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L797] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L797] 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 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L852] 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) [L852] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L852] 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) [L852] 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) [L853] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L853] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L854] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L854] 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 [L855] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L855] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L856] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L856] 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 [L859] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 18.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 6134.3ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 343.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5072.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 30 SDtfs, 15 SDslu, 15 SDs, 0 SdLazy, 114 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 80.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 67.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=7, InterpolantAutomatonStates: 33, 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: 25.2ms SsaConstructionTime, 222.1ms SatisfiabilityAnalysisTime, 235.8ms InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...