/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 00:14:24,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 00:14:24,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 00:14:24,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 00:14:24,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 00:14:24,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 00:14:24,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 00:14:24,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 00:14:24,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 00:14:24,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 00:14:24,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 00:14:24,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 00:14:24,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 00:14:24,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 00:14:24,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 00:14:24,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 00:14:24,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 00:14:24,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 00:14:24,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 00:14:24,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 00:14:24,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 00:14:24,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 00:14:24,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 00:14:24,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 00:14:24,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 00:14:24,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 00:14:24,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 00:14:24,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 00:14:24,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 00:14:24,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 00:14:24,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 00:14:24,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 00:14:24,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 00:14:24,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 00:14:24,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 00:14:24,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 00:14:24,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 00:14:24,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 00:14:24,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 00:14:24,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 00:14:24,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 00:14:24,691 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-FA-NoLbe-Delay.epf [2021-07-14 00:14:24,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 00:14:24,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 00:14:24,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 00:14:24,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 00:14:24,721 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 00:14:24,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 00:14:24,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 00:14:24,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 00:14:24,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 00:14:24,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 00:14:24,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 00:14:24,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 00:14:24,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 00:14:24,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:14:24,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 00:14:24,724 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-14 00:14:24,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 00:14:24,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 00:14:25,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 00:14:25,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 00:14:25,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 00:14:25,017 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 00:14:25,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i [2021-07-14 00:14:25,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66fbf8d8c/591352a7fff84e66a17ee80deccf81a0/FLAG1e2553af5 [2021-07-14 00:14:25,497 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 00:14:25,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i [2021-07-14 00:14:25,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66fbf8d8c/591352a7fff84e66a17ee80deccf81a0/FLAG1e2553af5 [2021-07-14 00:14:25,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66fbf8d8c/591352a7fff84e66a17ee80deccf81a0 [2021-07-14 00:14:25,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 00:14:25,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 00:14:25,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 00:14:25,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 00:14:25,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 00:14:25,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ba199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25, skipping insertion in model container [2021-07-14 00:14:25,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 00:14:25,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 00:14:25,669 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i[948,961] [2021-07-14 00:14:25,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:14:25,813 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 00:14:25,820 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i[948,961] [2021-07-14 00:14:25,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:14:25,870 INFO L208 MainTranslator]: Completed translation [2021-07-14 00:14:25,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25 WrapperNode [2021-07-14 00:14:25,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 00:14:25,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 00:14:25,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 00:14:25,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 00:14:25,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 00:14:25,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 00:14:25,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 00:14:25,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 00:14:25,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (1/1) ... [2021-07-14 00:14:25,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 00:14:25,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 00:14:25,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 00:14:25,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 00:14:25,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (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 [2021-07-14 00:14:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 00:14:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 00:14:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 00:14:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-14 00:14:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-14 00:14:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 00:14:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 00:14:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 00:14:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 00:14:25,996 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 00:14:27,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 00:14:27,178 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-14 00:14:27,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:14:27 BoogieIcfgContainer [2021-07-14 00:14:27,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 00:14:27,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 00:14:27,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 00:14:27,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 00:14:27,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:14:25" (1/3) ... [2021-07-14 00:14:27,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c4ec39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:14:27, skipping insertion in model container [2021-07-14 00:14:27,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:25" (2/3) ... [2021-07-14 00:14:27,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c4ec39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:14:27, skipping insertion in model container [2021-07-14 00:14:27,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:14:27" (3/3) ... [2021-07-14 00:14:27,196 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_rmo.opt.i [2021-07-14 00:14:27,200 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 00:14:27,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 00:14:27,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 00:14:27,201 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 00:14:27,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,272 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,273 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,273 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,273 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,273 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,273 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,273 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,274 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,275 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,278 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,278 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:14:27,279 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 00:14:27,309 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-07-14 00:14:27,332 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 00:14:27,332 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 00:14:27,332 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 00:14:27,333 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 00:14:27,333 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 00:14:27,333 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 00:14:27,333 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 00:14:27,333 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 00:14:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 59626 states, 51375 states have (on average 2.3803211678832117) internal successors, (122289), 59625 states have internal predecessors, (122289), 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) [2021-07-14 00:14:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-07-14 00:14:31,246 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:31,247 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:31,247 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:31,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:31,251 INFO L82 PathProgramCache]: Analyzing trace with hash -715615938, now seen corresponding path program 1 times [2021-07-14 00:14:31,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:31,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905524095] [2021-07-14 00:14:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:31,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:31,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:31,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:31,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:31,622 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:31,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:31,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:31,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:31,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:31,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:31,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:31,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:31,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:31,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905524095] [2021-07-14 00:14:31,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905524095] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:31,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:31,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:14:31,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217438879] [2021-07-14 00:14:31,652 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:14:31,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:31,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:14:31,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:14:31,765 INFO L87 Difference]: Start difference. First operand has 59626 states, 51375 states have (on average 2.3803211678832117) internal successors, (122289), 59625 states have internal predecessors, (122289), 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) Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2021-07-14 00:14:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:32,702 INFO L93 Difference]: Finished difference Result 71470 states and 153703 transitions. [2021-07-14 00:14:32,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:14:32,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) Word has length 77 [2021-07-14 00:14:32,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:32,939 INFO L225 Difference]: With dead ends: 71470 [2021-07-14 00:14:32,940 INFO L226 Difference]: Without dead ends: 32398 [2021-07-14 00:14:32,941 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 70.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:14:33,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32398 states. [2021-07-14 00:14:33,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32398 to 32398. [2021-07-14 00:14:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32398 states, 32039 states have (on average 2.633509160710384) internal successors, (84375), 32397 states have internal predecessors, (84375), 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) [2021-07-14 00:14:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32398 states to 32398 states and 84375 transitions. [2021-07-14 00:14:34,439 INFO L78 Accepts]: Start accepts. Automaton has 32398 states and 84375 transitions. Word has length 77 [2021-07-14 00:14:34,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:34,440 INFO L482 AbstractCegarLoop]: Abstraction has 32398 states and 84375 transitions. [2021-07-14 00:14:34,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2021-07-14 00:14:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32398 states and 84375 transitions. [2021-07-14 00:14:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-07-14 00:14:34,456 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:34,456 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:34,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 00:14:34,456 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:34,457 INFO L82 PathProgramCache]: Analyzing trace with hash -192323841, now seen corresponding path program 1 times [2021-07-14 00:14:34,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:34,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992518658] [2021-07-14 00:14:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:34,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:34,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:34,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:34,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:34,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:34,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:34,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:34,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:34,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992518658] [2021-07-14 00:14:34,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992518658] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:34,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:34,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:14:34,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931115171] [2021-07-14 00:14:34,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:14:34,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:34,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:14:34,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:14:34,614 INFO L87 Difference]: Start difference. First operand 32398 states and 84375 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2021-07-14 00:14:34,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:35,000 INFO L93 Difference]: Finished difference Result 39046 states and 106485 transitions. [2021-07-14 00:14:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:14:35,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) Word has length 79 [2021-07-14 00:14:35,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:35,250 INFO L225 Difference]: With dead ends: 39046 [2021-07-14 00:14:35,250 INFO L226 Difference]: Without dead ends: 29798 [2021-07-14 00:14:35,264 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 73.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:14:35,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29798 states. [2021-07-14 00:14:35,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29798 to 29798. [2021-07-14 00:14:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29798 states, 29477 states have (on average 2.6361909285205414) internal successors, (77707), 29797 states have internal predecessors, (77707), 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) [2021-07-14 00:14:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29798 states to 29798 states and 77707 transitions. [2021-07-14 00:14:36,129 INFO L78 Accepts]: Start accepts. Automaton has 29798 states and 77707 transitions. Word has length 79 [2021-07-14 00:14:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:36,129 INFO L482 AbstractCegarLoop]: Abstraction has 29798 states and 77707 transitions. [2021-07-14 00:14:36,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2021-07-14 00:14:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 29798 states and 77707 transitions. [2021-07-14 00:14:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-07-14 00:14:36,147 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:36,147 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:36,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 00:14:36,147 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:36,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:36,148 INFO L82 PathProgramCache]: Analyzing trace with hash -283558931, now seen corresponding path program 1 times [2021-07-14 00:14:36,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:36,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754195330] [2021-07-14 00:14:36,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:36,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:36,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:36,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:36,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:36,258 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:36,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:36,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:36,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:36,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:36,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:36,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:36,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754195330] [2021-07-14 00:14:36,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754195330] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:36,293 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:36,293 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:14:36,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636553586] [2021-07-14 00:14:36,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:14:36,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:36,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:14:36,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:14:36,300 INFO L87 Difference]: Start difference. First operand 29798 states and 77707 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2021-07-14 00:14:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:36,947 INFO L93 Difference]: Finished difference Result 53514 states and 147681 transitions. [2021-07-14 00:14:36,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:14:36,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) Word has length 80 [2021-07-14 00:14:36,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:37,084 INFO L225 Difference]: With dead ends: 53514 [2021-07-14 00:14:37,084 INFO L226 Difference]: Without dead ends: 32906 [2021-07-14 00:14:37,084 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 77.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:14:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32906 states. [2021-07-14 00:14:37,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32906 to 25514. [2021-07-14 00:14:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25514 states, 25252 states have (on average 2.6480278789798826) internal successors, (66868), 25513 states have internal predecessors, (66868), 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) [2021-07-14 00:14:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25514 states to 25514 states and 66868 transitions. [2021-07-14 00:14:37,990 INFO L78 Accepts]: Start accepts. Automaton has 25514 states and 66868 transitions. Word has length 80 [2021-07-14 00:14:37,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:37,990 INFO L482 AbstractCegarLoop]: Abstraction has 25514 states and 66868 transitions. [2021-07-14 00:14:37,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2021-07-14 00:14:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 25514 states and 66868 transitions. [2021-07-14 00:14:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-14 00:14:38,015 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:38,015 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:38,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 00:14:38,016 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:38,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:38,016 INFO L82 PathProgramCache]: Analyzing trace with hash -680886336, now seen corresponding path program 1 times [2021-07-14 00:14:38,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:38,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074328022] [2021-07-14 00:14:38,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:38,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:38,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:38,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:38,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:38,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:14:38,197 INFO L142 QuantifierPusher]: treesize reduction 94, result has 40.9 percent of original size [2021-07-14 00:14:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-14 00:14:38,231 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:38,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:38,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:38,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:38,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:38,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074328022] [2021-07-14 00:14:38,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074328022] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:38,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:38,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-07-14 00:14:38,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005417124] [2021-07-14 00:14:38,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 00:14:38,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:38,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 00:14:38,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-14 00:14:38,270 INFO L87 Difference]: Start difference. First operand 25514 states and 66868 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) [2021-07-14 00:14:38,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:38,887 INFO L93 Difference]: Finished difference Result 32431 states and 89500 transitions. [2021-07-14 00:14:38,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 00:14:38,888 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) Word has length 81 [2021-07-14 00:14:38,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:38,960 INFO L225 Difference]: With dead ends: 32431 [2021-07-14 00:14:38,960 INFO L226 Difference]: Without dead ends: 25207 [2021-07-14 00:14:38,960 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 239.9ms TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:14:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25207 states. [2021-07-14 00:14:39,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25207 to 24998. [2021-07-14 00:14:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24998 states, 24736 states have (on average 2.6370472186287195) internal successors, (65230), 24997 states have internal predecessors, (65230), 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) [2021-07-14 00:14:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24998 states to 24998 states and 65230 transitions. [2021-07-14 00:14:39,697 INFO L78 Accepts]: Start accepts. Automaton has 24998 states and 65230 transitions. Word has length 81 [2021-07-14 00:14:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:39,698 INFO L482 AbstractCegarLoop]: Abstraction has 24998 states and 65230 transitions. [2021-07-14 00:14:39,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) [2021-07-14 00:14:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 24998 states and 65230 transitions. [2021-07-14 00:14:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-14 00:14:39,724 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:39,724 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:39,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 00:14:39,724 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:39,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:39,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2044530034, now seen corresponding path program 1 times [2021-07-14 00:14:39,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:39,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417521083] [2021-07-14 00:14:39,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:39,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:39,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:39,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:14:39,825 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-07-14 00:14:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:14:39,838 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:39,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:39,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:39,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:39,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:39,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:39,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:39,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417521083] [2021-07-14 00:14:39,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417521083] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:39,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:39,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-07-14 00:14:39,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685198751] [2021-07-14 00:14:39,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 00:14:39,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:39,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 00:14:39,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-07-14 00:14:39,877 INFO L87 Difference]: Start difference. First operand 24998 states and 65230 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 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) [2021-07-14 00:14:40,232 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-07-14 00:14:40,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:40,420 INFO L93 Difference]: Finished difference Result 26933 states and 71159 transitions. [2021-07-14 00:14:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 00:14:40,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 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) Word has length 82 [2021-07-14 00:14:40,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:40,472 INFO L225 Difference]: With dead ends: 26933 [2021-07-14 00:14:40,472 INFO L226 Difference]: Without dead ends: 21773 [2021-07-14 00:14:40,472 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 366.7ms TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:14:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21773 states. [2021-07-14 00:14:40,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21773 to 21773. [2021-07-14 00:14:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21773 states, 21515 states have (on average 2.555101092261213) internal successors, (54973), 21772 states have internal predecessors, (54973), 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) [2021-07-14 00:14:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21773 states to 21773 states and 54973 transitions. [2021-07-14 00:14:41,043 INFO L78 Accepts]: Start accepts. Automaton has 21773 states and 54973 transitions. Word has length 82 [2021-07-14 00:14:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:41,043 INFO L482 AbstractCegarLoop]: Abstraction has 21773 states and 54973 transitions. [2021-07-14 00:14:41,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 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) [2021-07-14 00:14:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 21773 states and 54973 transitions. [2021-07-14 00:14:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-07-14 00:14:41,062 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:41,062 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:41,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 00:14:41,063 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:41,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:41,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1869128161, now seen corresponding path program 1 times [2021-07-14 00:14:41,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:41,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968204787] [2021-07-14 00:14:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:41,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:41,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:41,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:41,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:14:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:14:41,192 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-07-14 00:14:41,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:14:41,209 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-07-14 00:14:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:14:41,226 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:41,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:41,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:41,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:41,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968204787] [2021-07-14 00:14:41,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968204787] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:41,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:41,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-14 00:14:41,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432829081] [2021-07-14 00:14:41,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 00:14:41,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:41,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 00:14:41,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-14 00:14:41,257 INFO L87 Difference]: Start difference. First operand 21773 states and 54973 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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) [2021-07-14 00:14:41,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:41,501 INFO L93 Difference]: Finished difference Result 23837 states and 63607 transitions. [2021-07-14 00:14:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 00:14:41,502 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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) Word has length 83 [2021-07-14 00:14:41,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:41,547 INFO L225 Difference]: With dead ends: 23837 [2021-07-14 00:14:41,547 INFO L226 Difference]: Without dead ends: 19709 [2021-07-14 00:14:41,548 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 145.1ms TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:14:41,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19709 states. [2021-07-14 00:14:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19709 to 19709. [2021-07-14 00:14:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19709 states, 19451 states have (on average 2.618014497969256) internal successors, (50923), 19708 states have internal predecessors, (50923), 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) [2021-07-14 00:14:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19709 states to 19709 states and 50923 transitions. [2021-07-14 00:14:42,057 INFO L78 Accepts]: Start accepts. Automaton has 19709 states and 50923 transitions. Word has length 83 [2021-07-14 00:14:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:42,057 INFO L482 AbstractCegarLoop]: Abstraction has 19709 states and 50923 transitions. [2021-07-14 00:14:42,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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) [2021-07-14 00:14:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 19709 states and 50923 transitions. [2021-07-14 00:14:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-07-14 00:14:42,075 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:42,075 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:42,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 00:14:42,076 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:42,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1935292198, now seen corresponding path program 1 times [2021-07-14 00:14:42,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:42,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670791750] [2021-07-14 00:14:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:42,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:42,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:42,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:42,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:42,136 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-07-14 00:14:42,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:14:42,141 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:42,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:42,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:42,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:42,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:42,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:42,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670791750] [2021-07-14 00:14:42,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670791750] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:42,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:42,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 00:14:42,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25805188] [2021-07-14 00:14:42,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 00:14:42,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:42,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 00:14:42,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:14:42,171 INFO L87 Difference]: Start difference. First operand 19709 states and 50923 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-07-14 00:14:42,396 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-14 00:14:42,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:42,613 INFO L93 Difference]: Finished difference Result 23321 states and 64055 transitions. [2021-07-14 00:14:42,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:14:42,613 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) Word has length 83 [2021-07-14 00:14:42,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:42,665 INFO L225 Difference]: With dead ends: 23321 [2021-07-14 00:14:42,665 INFO L226 Difference]: Without dead ends: 19193 [2021-07-14 00:14:42,665 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 257.7ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:14:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19193 states. [2021-07-14 00:14:43,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19193 to 19193. [2021-07-14 00:14:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19193 states, 18935 states have (on average 2.569263269078426) internal successors, (48649), 19192 states have internal predecessors, (48649), 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) [2021-07-14 00:14:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19193 states to 19193 states and 48649 transitions. [2021-07-14 00:14:43,248 INFO L78 Accepts]: Start accepts. Automaton has 19193 states and 48649 transitions. Word has length 83 [2021-07-14 00:14:43,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:43,248 INFO L482 AbstractCegarLoop]: Abstraction has 19193 states and 48649 transitions. [2021-07-14 00:14:43,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-07-14 00:14:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 19193 states and 48649 transitions. [2021-07-14 00:14:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-07-14 00:14:43,263 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:43,263 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:43,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 00:14:43,264 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:43,264 INFO L82 PathProgramCache]: Analyzing trace with hash 137998932, now seen corresponding path program 1 times [2021-07-14 00:14:43,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:43,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757587487] [2021-07-14 00:14:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:43,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:43,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:43,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:43,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:14:43,340 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-07-14 00:14:43,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:14:43,358 INFO L142 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-07-14 00:14:43,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:14:43,378 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:43,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:43,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:43,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:43,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:43,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:43,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:43,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757587487] [2021-07-14 00:14:43,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757587487] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:43,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:43,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-07-14 00:14:43,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367163698] [2021-07-14 00:14:43,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 00:14:43,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:43,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 00:14:43,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:14:43,418 INFO L87 Difference]: Start difference. First operand 19193 states and 48649 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) [2021-07-14 00:14:43,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:43,737 INFO L93 Difference]: Finished difference Result 22823 states and 61981 transitions. [2021-07-14 00:14:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 00:14:43,738 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) Word has length 84 [2021-07-14 00:14:43,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:43,782 INFO L225 Difference]: With dead ends: 22823 [2021-07-14 00:14:43,783 INFO L226 Difference]: Without dead ends: 19383 [2021-07-14 00:14:43,783 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 174.1ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:14:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19383 states. [2021-07-14 00:14:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19383 to 19363. [2021-07-14 00:14:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19363 states, 19105 states have (on average 2.5743522638052867) internal successors, (49183), 19362 states have internal predecessors, (49183), 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) [2021-07-14 00:14:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19363 states to 19363 states and 49183 transitions. [2021-07-14 00:14:44,306 INFO L78 Accepts]: Start accepts. Automaton has 19363 states and 49183 transitions. Word has length 84 [2021-07-14 00:14:44,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:44,307 INFO L482 AbstractCegarLoop]: Abstraction has 19363 states and 49183 transitions. [2021-07-14 00:14:44,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) [2021-07-14 00:14:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 19363 states and 49183 transitions. [2021-07-14 00:14:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-07-14 00:14:44,322 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:44,322 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:44,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 00:14:44,323 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:44,323 INFO L82 PathProgramCache]: Analyzing trace with hash -2133780424, now seen corresponding path program 2 times [2021-07-14 00:14:44,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:44,323 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383523319] [2021-07-14 00:14:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:44,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:44,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:44,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:44,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:44,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:44,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:44,377 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.5 percent of original size [2021-07-14 00:14:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-14 00:14:44,391 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size [2021-07-14 00:14:44,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-14 00:14:44,414 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:44,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:44,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:44,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:44,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:44,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:44,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:44,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:44,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383523319] [2021-07-14 00:14:44,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383523319] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:44,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:44,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:14:44,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216823482] [2021-07-14 00:14:44,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:14:44,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:44,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:14:44,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:14:44,452 INFO L87 Difference]: Start difference. First operand 19363 states and 49183 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 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) [2021-07-14 00:14:44,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:44,876 INFO L93 Difference]: Finished difference Result 23835 states and 64155 transitions. [2021-07-14 00:14:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:14:44,877 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 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) Word has length 84 [2021-07-14 00:14:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:44,933 INFO L225 Difference]: With dead ends: 23835 [2021-07-14 00:14:44,933 INFO L226 Difference]: Without dead ends: 20051 [2021-07-14 00:14:44,933 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 183.2ms TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-07-14 00:14:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20051 states. [2021-07-14 00:14:45,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20051 to 19279. [2021-07-14 00:14:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19279 states, 19021 states have (on average 2.5010777561642397) internal successors, (47573), 19278 states have internal predecessors, (47573), 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) [2021-07-14 00:14:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19279 states to 19279 states and 47573 transitions. [2021-07-14 00:14:45,296 INFO L78 Accepts]: Start accepts. Automaton has 19279 states and 47573 transitions. Word has length 84 [2021-07-14 00:14:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:45,296 INFO L482 AbstractCegarLoop]: Abstraction has 19279 states and 47573 transitions. [2021-07-14 00:14:45,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 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) [2021-07-14 00:14:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 19279 states and 47573 transitions. [2021-07-14 00:14:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-07-14 00:14:45,316 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:45,316 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:45,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 00:14:45,316 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:45,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:45,316 INFO L82 PathProgramCache]: Analyzing trace with hash -919476477, now seen corresponding path program 1 times [2021-07-14 00:14:45,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:45,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794046694] [2021-07-14 00:14:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:45,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:45,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:45,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:45,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:45,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:14:45,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:14:45,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:45,529 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.8 percent of original size [2021-07-14 00:14:45,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-14 00:14:45,557 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-07-14 00:14:45,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:14:45,573 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-07-14 00:14:45,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:14:45,588 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:45,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:45,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:45,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:45,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:45,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:45,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:45,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794046694] [2021-07-14 00:14:45,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794046694] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:45,635 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:45,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-14 00:14:45,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891077647] [2021-07-14 00:14:45,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 00:14:45,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:45,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 00:14:45,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-07-14 00:14:45,636 INFO L87 Difference]: Start difference. First operand 19279 states and 47573 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) [2021-07-14 00:14:45,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:45,901 INFO L93 Difference]: Finished difference Result 24853 states and 64756 transitions. [2021-07-14 00:14:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 00:14:45,902 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) Word has length 85 [2021-07-14 00:14:45,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:45,959 INFO L225 Difference]: With dead ends: 24853 [2021-07-14 00:14:45,960 INFO L226 Difference]: Without dead ends: 22101 [2021-07-14 00:14:45,960 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 161.6ms TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-07-14 00:14:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22101 states. [2021-07-14 00:14:46,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22101 to 19655. [2021-07-14 00:14:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19655 states, 19397 states have (on average 2.4918801876578853) internal successors, (48335), 19654 states have internal predecessors, (48335), 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) [2021-07-14 00:14:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19655 states to 19655 states and 48335 transitions. [2021-07-14 00:14:46,575 INFO L78 Accepts]: Start accepts. Automaton has 19655 states and 48335 transitions. Word has length 85 [2021-07-14 00:14:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:46,575 INFO L482 AbstractCegarLoop]: Abstraction has 19655 states and 48335 transitions. [2021-07-14 00:14:46,575 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) [2021-07-14 00:14:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 19655 states and 48335 transitions. [2021-07-14 00:14:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-07-14 00:14:46,595 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:46,595 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:46,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 00:14:46,596 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:46,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1398761153, now seen corresponding path program 2 times [2021-07-14 00:14:46,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:46,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469676376] [2021-07-14 00:14:46,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:46,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:14:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:14:46,679 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-07-14 00:14:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-14 00:14:46,694 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-07-14 00:14:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:14:46,712 INFO L142 QuantifierPusher]: treesize reduction 20, result has 79.6 percent of original size [2021-07-14 00:14:46,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-14 00:14:46,732 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:46,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:46,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:46,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:46,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:46,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:46,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469676376] [2021-07-14 00:14:46,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469676376] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:46,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:46,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-14 00:14:46,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656466022] [2021-07-14 00:14:46,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 00:14:46,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:46,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 00:14:46,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:14:46,767 INFO L87 Difference]: Start difference. First operand 19655 states and 48335 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 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) [2021-07-14 00:14:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:47,079 INFO L93 Difference]: Finished difference Result 25229 states and 65518 transitions. [2021-07-14 00:14:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 00:14:47,079 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 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) Word has length 85 [2021-07-14 00:14:47,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:47,126 INFO L225 Difference]: With dead ends: 25229 [2021-07-14 00:14:47,126 INFO L226 Difference]: Without dead ends: 22477 [2021-07-14 00:14:47,126 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 192.0ms TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-07-14 00:14:47,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22477 states. [2021-07-14 00:14:47,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22477 to 21628. [2021-07-14 00:14:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21628 states, 21370 states have (on average 2.5120729995320543) internal successors, (53683), 21627 states have internal predecessors, (53683), 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) [2021-07-14 00:14:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21628 states to 21628 states and 53683 transitions. [2021-07-14 00:14:47,737 INFO L78 Accepts]: Start accepts. Automaton has 21628 states and 53683 transitions. Word has length 85 [2021-07-14 00:14:47,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:47,737 INFO L482 AbstractCegarLoop]: Abstraction has 21628 states and 53683 transitions. [2021-07-14 00:14:47,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 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) [2021-07-14 00:14:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 21628 states and 53683 transitions. [2021-07-14 00:14:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-07-14 00:14:47,760 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:47,760 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:47,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 00:14:47,760 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:47,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:47,760 INFO L82 PathProgramCache]: Analyzing trace with hash -520251207, now seen corresponding path program 3 times [2021-07-14 00:14:47,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:47,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543125576] [2021-07-14 00:14:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:47,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:47,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:47,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:47,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:47,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:14:47,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:14:47,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:47,850 INFO L142 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size [2021-07-14 00:14:47,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:47,857 INFO L142 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size [2021-07-14 00:14:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:14:47,865 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.6 percent of original size [2021-07-14 00:14:47,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:14:47,884 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:47,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:47,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:47,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:47,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:47,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:47,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:47,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543125576] [2021-07-14 00:14:47,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543125576] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:47,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:47,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-14 00:14:47,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887767344] [2021-07-14 00:14:47,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 00:14:47,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:47,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 00:14:47,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-07-14 00:14:47,913 INFO L87 Difference]: Start difference. First operand 21628 states and 53683 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) [2021-07-14 00:14:48,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:48,418 INFO L93 Difference]: Finished difference Result 26035 states and 67846 transitions. [2021-07-14 00:14:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 00:14:48,419 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) Word has length 85 [2021-07-14 00:14:48,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:48,468 INFO L225 Difference]: With dead ends: 26035 [2021-07-14 00:14:48,468 INFO L226 Difference]: Without dead ends: 23283 [2021-07-14 00:14:48,468 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 183.7ms TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-07-14 00:14:48,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23283 states. [2021-07-14 00:14:48,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23283 to 20170. [2021-07-14 00:14:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20170 states, 19912 states have (on average 2.5247087183607873) internal successors, (50272), 20169 states have internal predecessors, (50272), 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) [2021-07-14 00:14:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20170 states to 20170 states and 50272 transitions. [2021-07-14 00:14:49,015 INFO L78 Accepts]: Start accepts. Automaton has 20170 states and 50272 transitions. Word has length 85 [2021-07-14 00:14:49,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:49,015 INFO L482 AbstractCegarLoop]: Abstraction has 20170 states and 50272 transitions. [2021-07-14 00:14:49,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) [2021-07-14 00:14:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20170 states and 50272 transitions. [2021-07-14 00:14:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-07-14 00:14:49,037 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:49,037 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:49,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 00:14:49,037 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:49,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:49,038 INFO L82 PathProgramCache]: Analyzing trace with hash 264070137, now seen corresponding path program 1 times [2021-07-14 00:14:49,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:49,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252396303] [2021-07-14 00:14:49,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:49,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:49,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:49,102 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:14:49,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:14:49,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:49,118 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:14:49,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:49,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:49,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:49,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252396303] [2021-07-14 00:14:49,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252396303] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:49,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:49,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:14:49,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624173261] [2021-07-14 00:14:49,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:14:49,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:49,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:14:49,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:14:49,128 INFO L87 Difference]: Start difference. First operand 20170 states and 50272 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) [2021-07-14 00:14:49,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:49,299 INFO L93 Difference]: Finished difference Result 25817 states and 60584 transitions. [2021-07-14 00:14:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:14:49,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) Word has length 85 [2021-07-14 00:14:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:49,339 INFO L225 Difference]: With dead ends: 25817 [2021-07-14 00:14:49,339 INFO L226 Difference]: Without dead ends: 17793 [2021-07-14 00:14:49,340 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 60.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:14:49,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17793 states. [2021-07-14 00:14:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17793 to 17793. [2021-07-14 00:14:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17793 states, 17535 states have (on average 2.5302537781579697) internal successors, (44368), 17792 states have internal predecessors, (44368), 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) [2021-07-14 00:14:49,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17793 states to 17793 states and 44368 transitions. [2021-07-14 00:14:49,822 INFO L78 Accepts]: Start accepts. Automaton has 17793 states and 44368 transitions. Word has length 85 [2021-07-14 00:14:49,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:49,822 INFO L482 AbstractCegarLoop]: Abstraction has 17793 states and 44368 transitions. [2021-07-14 00:14:49,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) [2021-07-14 00:14:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 17793 states and 44368 transitions. [2021-07-14 00:14:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-07-14 00:14:49,838 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:49,838 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:49,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 00:14:49,838 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash -284712947, now seen corresponding path program 1 times [2021-07-14 00:14:49,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:49,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657641206] [2021-07-14 00:14:49,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:49,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:49,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:49,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:49,898 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:14:49,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:14:49,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:49,914 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:14:49,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:49,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:49,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:49,920 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:49,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657641206] [2021-07-14 00:14:49,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657641206] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:49,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:49,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 00:14:49,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088222598] [2021-07-14 00:14:49,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 00:14:49,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:49,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 00:14:49,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 00:14:49,921 INFO L87 Difference]: Start difference. First operand 17793 states and 44368 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2021-07-14 00:14:50,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:50,063 INFO L93 Difference]: Finished difference Result 18200 states and 42080 transitions. [2021-07-14 00:14:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 00:14:50,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) Word has length 86 [2021-07-14 00:14:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:50,085 INFO L225 Difference]: With dead ends: 18200 [2021-07-14 00:14:50,085 INFO L226 Difference]: Without dead ends: 11204 [2021-07-14 00:14:50,085 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 68.2ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:14:50,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11204 states. [2021-07-14 00:14:50,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11204 to 11194. [2021-07-14 00:14:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11194 states, 10966 states have (on average 2.5093014772934525) internal successors, (27517), 11193 states have internal predecessors, (27517), 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) [2021-07-14 00:14:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 27517 transitions. [2021-07-14 00:14:50,449 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 27517 transitions. Word has length 86 [2021-07-14 00:14:50,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:50,449 INFO L482 AbstractCegarLoop]: Abstraction has 11194 states and 27517 transitions. [2021-07-14 00:14:50,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2021-07-14 00:14:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 27517 transitions. [2021-07-14 00:14:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:14:50,467 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:50,468 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:50,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 00:14:50,468 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:50,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:50,468 INFO L82 PathProgramCache]: Analyzing trace with hash 439915052, now seen corresponding path program 1 times [2021-07-14 00:14:50,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:50,468 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045107627] [2021-07-14 00:14:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:50,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:50,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,512 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:14:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:14:50,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:50,529 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:14:50,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:50,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:50,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:50,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045107627] [2021-07-14 00:14:50,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045107627] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:50,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:50,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 00:14:50,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818957902] [2021-07-14 00:14:50,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 00:14:50,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:50,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 00:14:50,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:14:50,537 INFO L87 Difference]: Start difference. First operand 11194 states and 27517 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-07-14 00:14:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:50,666 INFO L93 Difference]: Finished difference Result 9095 states and 20721 transitions. [2021-07-14 00:14:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:14:50,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) Word has length 88 [2021-07-14 00:14:50,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:50,675 INFO L225 Difference]: With dead ends: 9095 [2021-07-14 00:14:50,675 INFO L226 Difference]: Without dead ends: 4861 [2021-07-14 00:14:50,677 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 79.2ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:14:50,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4861 states. [2021-07-14 00:14:50,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4861 to 4837. [2021-07-14 00:14:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 4711 states have (on average 2.3884525578433453) internal successors, (11252), 4836 states have internal predecessors, (11252), 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) [2021-07-14 00:14:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 11252 transitions. [2021-07-14 00:14:50,742 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 11252 transitions. Word has length 88 [2021-07-14 00:14:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:50,743 INFO L482 AbstractCegarLoop]: Abstraction has 4837 states and 11252 transitions. [2021-07-14 00:14:50,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-07-14 00:14:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 11252 transitions. [2021-07-14 00:14:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-07-14 00:14:50,747 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:50,748 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:50,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 00:14:50,748 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:50,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1508631175, now seen corresponding path program 1 times [2021-07-14 00:14:50,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:50,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569614734] [2021-07-14 00:14:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:50,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:50,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:50,812 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:14:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:14:50,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:14:50,830 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:14:50,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:50,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:50,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:50,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:50,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569614734] [2021-07-14 00:14:50,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569614734] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:50,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:50,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:14:50,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126419047] [2021-07-14 00:14:50,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:14:50,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:50,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:14:50,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:14:50,840 INFO L87 Difference]: Start difference. First operand 4837 states and 11252 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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) [2021-07-14 00:14:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:50,968 INFO L93 Difference]: Finished difference Result 3297 states and 6810 transitions. [2021-07-14 00:14:50,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 00:14:50,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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) Word has length 91 [2021-07-14 00:14:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:50,970 INFO L225 Difference]: With dead ends: 3297 [2021-07-14 00:14:50,970 INFO L226 Difference]: Without dead ends: 1368 [2021-07-14 00:14:50,970 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 93.1ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-07-14 00:14:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2021-07-14 00:14:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1287. [2021-07-14 00:14:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1260 states have (on average 1.9325396825396826) internal successors, (2435), 1286 states have internal predecessors, (2435), 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) [2021-07-14 00:14:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 2435 transitions. [2021-07-14 00:14:50,982 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 2435 transitions. Word has length 91 [2021-07-14 00:14:50,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:50,982 INFO L482 AbstractCegarLoop]: Abstraction has 1287 states and 2435 transitions. [2021-07-14 00:14:50,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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) [2021-07-14 00:14:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 2435 transitions. [2021-07-14 00:14:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-07-14 00:14:50,983 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:50,983 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:50,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-14 00:14:50,983 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:50,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:50,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1404340793, now seen corresponding path program 1 times [2021-07-14 00:14:50,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:50,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690002263] [2021-07-14 00:14:50,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:14:51,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:51,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:51,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:14:51,025 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:14:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:14:51,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:51,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:51,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:51,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:14:51,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:14:51,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:14:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:14:51,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:14:51,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690002263] [2021-07-14 00:14:51,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690002263] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:14:51,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:14:51,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:14:51,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422299884] [2021-07-14 00:14:51,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:14:51,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:14:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:14:51,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:14:51,050 INFO L87 Difference]: Start difference. First operand 1287 states and 2435 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2021-07-14 00:14:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:14:51,095 INFO L93 Difference]: Finished difference Result 2122 states and 4201 transitions. [2021-07-14 00:14:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 00:14:51,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) Word has length 95 [2021-07-14 00:14:51,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:14:51,097 INFO L225 Difference]: With dead ends: 2122 [2021-07-14 00:14:51,097 INFO L226 Difference]: Without dead ends: 1045 [2021-07-14 00:14:51,097 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:14:51,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-07-14 00:14:51,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2021-07-14 00:14:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1018 states have (on average 2.0589390962671907) internal successors, (2096), 1044 states have internal predecessors, (2096), 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) [2021-07-14 00:14:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 2096 transitions. [2021-07-14 00:14:51,106 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 2096 transitions. Word has length 95 [2021-07-14 00:14:51,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:14:51,106 INFO L482 AbstractCegarLoop]: Abstraction has 1045 states and 2096 transitions. [2021-07-14 00:14:51,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2021-07-14 00:14:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2096 transitions. [2021-07-14 00:14:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-07-14 00:14:51,108 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:14:51,108 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:14:51,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-14 00:14:51,108 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:14:51,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:14:51,108 INFO L82 PathProgramCache]: Analyzing trace with hash -66276377, now seen corresponding path program 2 times [2021-07-14 00:14:51,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:14:51,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445617928] [2021-07-14 00:14:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:14:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:14:51,133 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:14:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:14:51,158 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:14:51,273 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 00:14:51,273 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 00:14:51,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-14 00:14:51,274 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-07-14 00:14:51,276 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 00:14:51,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:14:51 BasicIcfg [2021-07-14 00:14:51,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 00:14:51,394 INFO L168 Benchmark]: Toolchain (without parser) took 25873.42 ms. Allocated memory was 170.9 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 134.2 MB in the beginning and 5.6 GB in the end (delta: -5.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-14 00:14:51,394 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 170.9 MB. Free memory is still 152.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 00:14:51,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.82 ms. Allocated memory is still 170.9 MB. Free memory was 134.0 MB in the beginning and 141.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:14:51,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.21 ms. Allocated memory is still 170.9 MB. Free memory was 141.5 MB in the beginning and 138.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:14:51,394 INFO L168 Benchmark]: Boogie Preprocessor took 20.41 ms. Allocated memory is still 170.9 MB. Free memory was 138.4 MB in the beginning and 136.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:14:51,394 INFO L168 Benchmark]: RCFGBuilder took 1252.00 ms. Allocated memory was 170.9 MB in the beginning and 240.1 MB in the end (delta: 69.2 MB). Free memory was 136.3 MB in the beginning and 174.3 MB in the end (delta: -38.0 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. [2021-07-14 00:14:51,394 INFO L168 Benchmark]: TraceAbstraction took 24212.69 ms. Allocated memory was 240.1 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 173.8 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-14 00:14:51,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 170.9 MB. Free memory is still 152.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 348.82 ms. Allocated memory is still 170.9 MB. Free memory was 134.0 MB in the beginning and 141.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.21 ms. Allocated memory is still 170.9 MB. Free memory was 141.5 MB in the beginning and 138.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.41 ms. Allocated memory is still 170.9 MB. Free memory was 138.4 MB in the beginning and 136.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1252.00 ms. Allocated memory was 170.9 MB in the beginning and 240.1 MB in the end (delta: 69.2 MB). Free memory was 136.3 MB in the beginning and 174.3 MB in the end (delta: -38.0 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24212.69 ms. Allocated memory was 240.1 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 173.8 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 318485, positive: 300676, positive conditional: 300676, positive unconditional: 0, negative: 17809, negative conditional: 17809, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 311519, positive: 300676, positive conditional: 0, positive unconditional: 300676, negative: 10843, negative conditional: 0, negative unconditional: 10843, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1281, positive: 1242, positive conditional: 0, positive unconditional: 1242, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1281, positive: 1233, positive conditional: 0, positive unconditional: 1233, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 518, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 504, negative conditional: 0, negative unconditional: 504, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 311519, positive: 299434, positive conditional: 0, positive unconditional: 299434, negative: 10804, negative conditional: 0, negative unconditional: 10804, unknown: 1281, unknown conditional: 0, unknown unconditional: 1281] , Statistics on independence cache: Total cache size (in pairs): 1281, Positive cache size: 1242, Positive conditional cache size: 0, Positive unconditional cache size: 1242, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Independence queries for same thread: 6966 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0] [L714] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0] [L715] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0] [L716] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L718] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L720] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L723] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L724] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L725] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L726] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L727] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L728] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L729] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L730] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L731] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L732] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L733] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L734] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L735] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L736] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L737] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L738] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L739] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L740] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L742] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L834] 0 pthread_t t1533; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L835] FCALL, FORK 0 pthread_create(&t1533, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L836] 0 pthread_t t1534; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L837] FCALL, FORK 0 pthread_create(&t1534, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t1535; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L839] FCALL, FORK 0 pthread_create(&t1535, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t1536; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L841] FCALL, FORK 0 pthread_create(&t1536, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L796] 4 z$w_buff1 = z$w_buff0 [L797] 4 z$w_buff0 = 2 [L798] 4 z$w_buff1_used = z$w_buff0_used [L799] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L801] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L802] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L803] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L804] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L805] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L806] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L809] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L761] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 3 y = 2 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 3 z = 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L782] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L782] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L782] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L783] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L783] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L784] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L784] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L785] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L786] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L789] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L812] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L813] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L813] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L814] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L815] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L816] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L816] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L819] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L854] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L855] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L856] 0 z$flush_delayed = weak$$choice2 [L857] 0 z$mem_tmp = z [L858] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L858] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L859] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L859] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L859] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L859] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L860] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L860] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L860] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L860] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L861] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L861] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L861] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L861] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L862] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L862] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L863] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L863] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L863] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L864] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L864] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L865] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L866] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L866] 0 z = z$flush_delayed ? z$mem_tmp : z [L867] 0 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 158 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 23943.5ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 623.6ms, AutomataDifference: 7569.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3562.7ms, PartialOrderReductionTime: 3541.0ms, HoareTripleCheckerStatistics: 2614 SDtfs, 4218 SDslu, 10607 SDs, 0 SdLazy, 1316 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1209.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 2472.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59626occurred in iteration=0, InterpolantAutomatonStates: 195, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 9244.5ms AutomataMinimizationTime, 17 MinimizatonAttempts, 14916 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.8ms SsaConstructionTime, 577.4ms SatisfiabilityAnalysisTime, 1941.6ms InterpolantComputationTime, 1528 NumberOfCodeBlocks, 1528 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1416 ConstructedInterpolants, 0 QuantifiedInterpolants, 7738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...