/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 03:15:59,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 03:15:59,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 03:15:59,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 03:15:59,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 03:15:59,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 03:15:59,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 03:15:59,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 03:15:59,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 03:15:59,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 03:15:59,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 03:15:59,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 03:15:59,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 03:15:59,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 03:15:59,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 03:15:59,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 03:15:59,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 03:15:59,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 03:15:59,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 03:15:59,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 03:15:59,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 03:15:59,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 03:15:59,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 03:15:59,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 03:15:59,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 03:15:59,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 03:15:59,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 03:15:59,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 03:15:59,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 03:15:59,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 03:15:59,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 03:15:59,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 03:15:59,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 03:15:59,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 03:15:59,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 03:15:59,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 03:15:59,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 03:15:59,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 03:15:59,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 03:15:59,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 03:15:59,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 03:15:59,944 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 [2020-11-12 03:15:59,980 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 03:15:59,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 03:15:59,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 03:15:59,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 03:15:59,986 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 03:15:59,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 03:15:59,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 03:15:59,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 03:15:59,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 03:15:59,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 03:15:59,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 03:15:59,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 03:15:59,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 03:15:59,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 03:15:59,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 03:15:59,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 03:15:59,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 03:15:59,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 03:15:59,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 03:15:59,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 03:15:59,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 03:15:59,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 03:15:59,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 03:15:59,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 03:15:59,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 03:15:59,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 03:15:59,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 03:15:59,996 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 03:15:59,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 03:15:59,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 03:15:59,996 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 03:16:00,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 03:16:00,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 03:16:00,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 03:16:00,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 03:16:00,439 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 03:16:00,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-11-12 03:16:00,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/195396c71/6c2c323bc6814d3cacf6136698cdae6c/FLAG2b1c9308d [2020-11-12 03:16:01,300 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 03:16:01,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2020-11-12 03:16:01,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/195396c71/6c2c323bc6814d3cacf6136698cdae6c/FLAG2b1c9308d [2020-11-12 03:16:01,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/195396c71/6c2c323bc6814d3cacf6136698cdae6c [2020-11-12 03:16:01,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 03:16:01,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 03:16:01,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 03:16:01,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 03:16:01,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 03:16:01,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:16:01" (1/1) ... [2020-11-12 03:16:01,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d510021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:01, skipping insertion in model container [2020-11-12 03:16:01,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:16:01" (1/1) ... [2020-11-12 03:16:01,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 03:16:01,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 03:16:02,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:16:02,149 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 03:16:02,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:16:02,494 INFO L208 MainTranslator]: Completed translation [2020-11-12 03:16:02,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02 WrapperNode [2020-11-12 03:16:02,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 03:16:02,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 03:16:02,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 03:16:02,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 03:16:02,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 03:16:02,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 03:16:02,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 03:16:02,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 03:16:02,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (1/1) ... [2020-11-12 03:16:02,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 03:16:02,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 03:16:02,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 03:16:02,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 03:16:02,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (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 [2020-11-12 03:16:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-11-12 03:16:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-11-12 03:16:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-11-12 03:16:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-11-12 03:16:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 03:16:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 03:16:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 03:16:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 03:16:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-12 03:16:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 03:16:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 03:16:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 03:16:02,750 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 03:16:03,440 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 03:16:03,440 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-12 03:16:03,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:16:03 BoogieIcfgContainer [2020-11-12 03:16:03,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 03:16:03,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 03:16:03,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 03:16:03,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 03:16:03,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:16:01" (1/3) ... [2020-11-12 03:16:03,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9ad38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:16:03, skipping insertion in model container [2020-11-12 03:16:03,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:16:02" (2/3) ... [2020-11-12 03:16:03,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9ad38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:16:03, skipping insertion in model container [2020-11-12 03:16:03,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:16:03" (3/3) ... [2020-11-12 03:16:03,453 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-11-12 03:16:03,467 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 03:16:03,467 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 03:16:03,471 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-12 03:16:03,472 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 03:16:03,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,536 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,549 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,549 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,550 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,550 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,557 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,557 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,557 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,558 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,558 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,558 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,558 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,562 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,562 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,562 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,562 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,563 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,563 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,563 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,563 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,565 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,568 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,568 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,568 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,568 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,569 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,569 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,569 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,570 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,570 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,570 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,594 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,594 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,594 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,594 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,597 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,597 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,597 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,598 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,599 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,599 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,602 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,602 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,604 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,604 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,604 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,605 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,605 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,605 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,605 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,605 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,606 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,606 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,606 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,606 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,609 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,609 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,609 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,611 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,611 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,621 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,621 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,621 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,624 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,625 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,625 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,625 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,625 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,625 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,625 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,626 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,626 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,626 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,626 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,626 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,627 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,627 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,627 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,627 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,628 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,628 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,630 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,630 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,631 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,632 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,632 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,632 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,633 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,634 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,634 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,634 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,634 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,634 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,635 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,636 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,636 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,638 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,638 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,638 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,638 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,638 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,638 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,639 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,639 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,639 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,639 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,639 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,640 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,640 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,640 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,640 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,640 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,640 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,642 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,645 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,655 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,657 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,666 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,666 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:16:03,680 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-12 03:16:03,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-12 03:16:03,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 03:16:03,719 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 03:16:03,719 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 03:16:03,719 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 03:16:03,719 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 03:16:03,719 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 03:16:03,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 03:16:03,719 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 03:16:03,740 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 263 transitions, 548 flow [2020-11-12 03:16:05,060 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 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) [2020-11-12 03:16:07,951 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 2886ms [2020-11-12 03:16:07,997 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 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) [2020-11-12 03:16:08,018 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 10384 states, 10210 states have (on average 1.5079333986287953) internal successors, (15396), 10383 states have internal predecessors, (15396), 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) [2020-11-12 03:16:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 10384 states, 10210 states have (on average 1.5079333986287953) internal successors, (15396), 10383 states have internal predecessors, (15396), 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) [2020-11-12 03:16:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 03:16:08,039 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:08,040 INFO L494 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] [2020-11-12 03:16:08,040 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:08,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:08,047 INFO L82 PathProgramCache]: Analyzing trace with hash 939198448, now seen corresponding path program 1 times [2020-11-12 03:16:08,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:08,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625719047] [2020-11-12 03:16:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:08,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625719047] [2020-11-12 03:16:08,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:08,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 03:16:08,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403207222] [2020-11-12 03:16:08,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 03:16:08,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:08,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 03:16:08,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 03:16:08,476 INFO L87 Difference]: Start difference. First operand has 10384 states, 10210 states have (on average 1.5079333986287953) internal successors, (15396), 10383 states have internal predecessors, (15396), 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 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2020-11-12 03:16:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:08,616 INFO L93 Difference]: Finished difference Result 9961 states and 14457 transitions. [2020-11-12 03:16:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 03:16:08,618 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 50 [2020-11-12 03:16:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:08,700 INFO L225 Difference]: With dead ends: 9961 [2020-11-12 03:16:08,700 INFO L226 Difference]: Without dead ends: 8836 [2020-11-12 03:16:08,702 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 03:16:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8836 states. [2020-11-12 03:16:09,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8836 to 8836. [2020-11-12 03:16:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8836 states, 8725 states have (on average 1.4664756446991405) internal successors, (12795), 8835 states have internal predecessors, (12795), 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) [2020-11-12 03:16:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8836 states to 8836 states and 12795 transitions. [2020-11-12 03:16:09,146 INFO L78 Accepts]: Start accepts. Automaton has 8836 states and 12795 transitions. Word has length 50 [2020-11-12 03:16:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:09,148 INFO L481 AbstractCegarLoop]: Abstraction has 8836 states and 12795 transitions. [2020-11-12 03:16:09,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2020-11-12 03:16:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 8836 states and 12795 transitions. [2020-11-12 03:16:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-12 03:16:09,168 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:09,168 INFO L494 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] [2020-11-12 03:16:09,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 03:16:09,169 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:09,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:09,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2107431459, now seen corresponding path program 1 times [2020-11-12 03:16:09,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:09,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251466645] [2020-11-12 03:16:09,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:09,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251466645] [2020-11-12 03:16:09,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:09,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-12 03:16:09,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771784889] [2020-11-12 03:16:09,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-12 03:16:09,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:09,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-12 03:16:09,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-12 03:16:09,665 INFO L87 Difference]: Start difference. First operand 8836 states and 12795 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) [2020-11-12 03:16:09,998 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-12 03:16:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:10,458 INFO L93 Difference]: Finished difference Result 8833 states and 12791 transitions. [2020-11-12 03:16:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-12 03:16:10,459 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 [2020-11-12 03:16:10,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:10,507 INFO L225 Difference]: With dead ends: 8833 [2020-11-12 03:16:10,507 INFO L226 Difference]: Without dead ends: 8833 [2020-11-12 03:16:10,508 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2020-11-12 03:16:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8833 states. [2020-11-12 03:16:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8833 to 8833. [2020-11-12 03:16:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8833 states, 8722 states have (on average 1.4665214400366888) internal successors, (12791), 8832 states have internal predecessors, (12791), 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) [2020-11-12 03:16:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8833 states to 8833 states and 12791 transitions. [2020-11-12 03:16:10,781 INFO L78 Accepts]: Start accepts. Automaton has 8833 states and 12791 transitions. Word has length 83 [2020-11-12 03:16:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:10,782 INFO L481 AbstractCegarLoop]: Abstraction has 8833 states and 12791 transitions. [2020-11-12 03:16:10,782 INFO L482 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) [2020-11-12 03:16:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 8833 states and 12791 transitions. [2020-11-12 03:16:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-12 03:16:10,786 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:10,787 INFO L494 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] [2020-11-12 03:16:10,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 03:16:10,787 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:10,790 INFO L82 PathProgramCache]: Analyzing trace with hash -132603567, now seen corresponding path program 1 times [2020-11-12 03:16:10,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:10,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608067469] [2020-11-12 03:16:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:10,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608067469] [2020-11-12 03:16:10,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:10,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:16:10,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939965236] [2020-11-12 03:16:10,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:16:10,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:10,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:16:10,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:16:10,960 INFO L87 Difference]: Start difference. First operand 8833 states and 12791 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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) [2020-11-12 03:16:11,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:11,041 INFO L93 Difference]: Finished difference Result 8745 states and 12634 transitions. [2020-11-12 03:16:11,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 03:16:11,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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 [2020-11-12 03:16:11,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:11,089 INFO L225 Difference]: With dead ends: 8745 [2020-11-12 03:16:11,090 INFO L226 Difference]: Without dead ends: 8745 [2020-11-12 03:16:11,090 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:16:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2020-11-12 03:16:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 8745. [2020-11-12 03:16:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8745 states, 8635 states have (on average 1.4631152287203242) internal successors, (12634), 8744 states have internal predecessors, (12634), 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) [2020-11-12 03:16:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8745 states to 8745 states and 12634 transitions. [2020-11-12 03:16:11,419 INFO L78 Accepts]: Start accepts. Automaton has 8745 states and 12634 transitions. Word has length 84 [2020-11-12 03:16:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:11,421 INFO L481 AbstractCegarLoop]: Abstraction has 8745 states and 12634 transitions. [2020-11-12 03:16:11,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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) [2020-11-12 03:16:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8745 states and 12634 transitions. [2020-11-12 03:16:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-12 03:16:11,429 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:11,430 INFO L494 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] [2020-11-12 03:16:11,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 03:16:11,430 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:11,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:11,431 INFO L82 PathProgramCache]: Analyzing trace with hash 532282328, now seen corresponding path program 1 times [2020-11-12 03:16:11,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:11,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551373583] [2020-11-12 03:16:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:11,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551373583] [2020-11-12 03:16:11,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:11,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:16:11,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576429772] [2020-11-12 03:16:11,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:16:11,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:11,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:16:11,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:16:11,582 INFO L87 Difference]: Start difference. First operand 8745 states and 12634 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2020-11-12 03:16:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:11,643 INFO L93 Difference]: Finished difference Result 7336 states and 11436 transitions. [2020-11-12 03:16:11,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:16:11,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 90 [2020-11-12 03:16:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:11,662 INFO L225 Difference]: With dead ends: 7336 [2020-11-12 03:16:11,662 INFO L226 Difference]: Without dead ends: 7111 [2020-11-12 03:16:11,663 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:16:11,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7111 states. [2020-11-12 03:16:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7111 to 6088. [2020-11-12 03:16:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6088 states, 6040 states have (on average 1.5461920529801325) internal successors, (9339), 6087 states have internal predecessors, (9339), 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) [2020-11-12 03:16:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6088 states to 6088 states and 9339 transitions. [2020-11-12 03:16:11,830 INFO L78 Accepts]: Start accepts. Automaton has 6088 states and 9339 transitions. Word has length 90 [2020-11-12 03:16:11,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:11,830 INFO L481 AbstractCegarLoop]: Abstraction has 6088 states and 9339 transitions. [2020-11-12 03:16:11,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2020-11-12 03:16:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6088 states and 9339 transitions. [2020-11-12 03:16:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-12 03:16:11,836 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:11,836 INFO L494 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, 1, 1, 1, 1] [2020-11-12 03:16:11,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 03:16:11,836 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:11,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:11,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1378759805, now seen corresponding path program 1 times [2020-11-12 03:16:11,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:11,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809527998] [2020-11-12 03:16:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:11,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809527998] [2020-11-12 03:16:11,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:11,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:16:11,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563161318] [2020-11-12 03:16:11,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:16:11,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:11,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:16:11,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:16:11,898 INFO L87 Difference]: Start difference. First operand 6088 states and 9339 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2020-11-12 03:16:11,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:11,969 INFO L93 Difference]: Finished difference Result 9776 states and 14902 transitions. [2020-11-12 03:16:11,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:16:11,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 99 [2020-11-12 03:16:11,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:11,992 INFO L225 Difference]: With dead ends: 9776 [2020-11-12 03:16:11,992 INFO L226 Difference]: Without dead ends: 9668 [2020-11-12 03:16:11,993 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:16:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9668 states. [2020-11-12 03:16:12,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9668 to 6124. [2020-11-12 03:16:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6124 states, 6076 states have (on average 1.5462475312705728) internal successors, (9395), 6123 states have internal predecessors, (9395), 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) [2020-11-12 03:16:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6124 states to 6124 states and 9395 transitions. [2020-11-12 03:16:12,203 INFO L78 Accepts]: Start accepts. Automaton has 6124 states and 9395 transitions. Word has length 99 [2020-11-12 03:16:12,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:12,205 INFO L481 AbstractCegarLoop]: Abstraction has 6124 states and 9395 transitions. [2020-11-12 03:16:12,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2020-11-12 03:16:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 6124 states and 9395 transitions. [2020-11-12 03:16:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-12 03:16:12,210 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:12,211 INFO L494 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, 1, 1, 1, 1, 1] [2020-11-12 03:16:12,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 03:16:12,211 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:12,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:12,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1219997218, now seen corresponding path program 1 times [2020-11-12 03:16:12,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:12,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360259119] [2020-11-12 03:16:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:12,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360259119] [2020-11-12 03:16:12,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:12,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-12 03:16:12,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948164598] [2020-11-12 03:16:12,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-12 03:16:12,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:12,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-12 03:16:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-11-12 03:16:12,672 INFO L87 Difference]: Start difference. First operand 6124 states and 9395 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 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) [2020-11-12 03:16:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:13,737 INFO L93 Difference]: Finished difference Result 6212 states and 9536 transitions. [2020-11-12 03:16:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-12 03:16:13,737 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 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 100 [2020-11-12 03:16:13,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:13,751 INFO L225 Difference]: With dead ends: 6212 [2020-11-12 03:16:13,751 INFO L226 Difference]: Without dead ends: 6212 [2020-11-12 03:16:13,752 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2020-11-12 03:16:13,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2020-11-12 03:16:13,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 6166. [2020-11-12 03:16:13,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6166 states, 6118 states have (on average 1.546583850931677) internal successors, (9462), 6165 states have internal predecessors, (9462), 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) [2020-11-12 03:16:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6166 states to 6166 states and 9462 transitions. [2020-11-12 03:16:13,915 INFO L78 Accepts]: Start accepts. Automaton has 6166 states and 9462 transitions. Word has length 100 [2020-11-12 03:16:13,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:13,915 INFO L481 AbstractCegarLoop]: Abstraction has 6166 states and 9462 transitions. [2020-11-12 03:16:13,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 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) [2020-11-12 03:16:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6166 states and 9462 transitions. [2020-11-12 03:16:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-12 03:16:13,921 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:13,921 INFO L494 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:13,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 03:16:13,922 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:13,922 INFO L82 PathProgramCache]: Analyzing trace with hash -197498057, now seen corresponding path program 1 times [2020-11-12 03:16:13,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:13,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903478686] [2020-11-12 03:16:13,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:14,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903478686] [2020-11-12 03:16:14,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:14,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-11-12 03:16:14,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703462426] [2020-11-12 03:16:14,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-12 03:16:14,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:14,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-12 03:16:14,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-11-12 03:16:14,497 INFO L87 Difference]: Start difference. First operand 6166 states and 9462 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 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) [2020-11-12 03:16:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:16,264 INFO L93 Difference]: Finished difference Result 6424 states and 9812 transitions. [2020-11-12 03:16:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-12 03:16:16,265 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 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 102 [2020-11-12 03:16:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:16,281 INFO L225 Difference]: With dead ends: 6424 [2020-11-12 03:16:16,282 INFO L226 Difference]: Without dead ends: 6424 [2020-11-12 03:16:16,282 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2020-11-12 03:16:16,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6424 states. [2020-11-12 03:16:16,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6424 to 6028. [2020-11-12 03:16:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6028 states, 5980 states have (on average 1.5423076923076924) internal successors, (9223), 6027 states have internal predecessors, (9223), 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) [2020-11-12 03:16:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6028 states to 6028 states and 9223 transitions. [2020-11-12 03:16:16,444 INFO L78 Accepts]: Start accepts. Automaton has 6028 states and 9223 transitions. Word has length 102 [2020-11-12 03:16:16,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:16,445 INFO L481 AbstractCegarLoop]: Abstraction has 6028 states and 9223 transitions. [2020-11-12 03:16:16,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 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) [2020-11-12 03:16:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 6028 states and 9223 transitions. [2020-11-12 03:16:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-12 03:16:16,454 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:16,455 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:16,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 03:16:16,456 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:16,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:16,456 INFO L82 PathProgramCache]: Analyzing trace with hash 218671112, now seen corresponding path program 1 times [2020-11-12 03:16:16,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:16,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679410247] [2020-11-12 03:16:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:17,359 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2020-11-12 03:16:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:17,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679410247] [2020-11-12 03:16:17,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:17,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-11-12 03:16:17,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061750081] [2020-11-12 03:16:17,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-12 03:16:17,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:17,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-12 03:16:17,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-11-12 03:16:17,878 INFO L87 Difference]: Start difference. First operand 6028 states and 9223 transitions. Second operand has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 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) [2020-11-12 03:16:18,795 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-11-12 03:16:18,944 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2020-11-12 03:16:19,539 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-11-12 03:16:19,953 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-11-12 03:16:21,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:21,319 INFO L93 Difference]: Finished difference Result 6070 states and 9283 transitions. [2020-11-12 03:16:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-12 03:16:21,321 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 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 104 [2020-11-12 03:16:21,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:21,334 INFO L225 Difference]: With dead ends: 6070 [2020-11-12 03:16:21,334 INFO L226 Difference]: Without dead ends: 6052 [2020-11-12 03:16:21,335 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=432, Invalid=1920, Unknown=0, NotChecked=0, Total=2352 [2020-11-12 03:16:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6052 states. [2020-11-12 03:16:21,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6052 to 6032. [2020-11-12 03:16:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6032 states, 5984 states have (on average 1.5427807486631016) internal successors, (9232), 6031 states have internal predecessors, (9232), 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) [2020-11-12 03:16:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6032 states to 6032 states and 9232 transitions. [2020-11-12 03:16:21,471 INFO L78 Accepts]: Start accepts. Automaton has 6032 states and 9232 transitions. Word has length 104 [2020-11-12 03:16:21,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:21,472 INFO L481 AbstractCegarLoop]: Abstraction has 6032 states and 9232 transitions. [2020-11-12 03:16:21,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 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) [2020-11-12 03:16:21,472 INFO L276 IsEmpty]: Start isEmpty. Operand 6032 states and 9232 transitions. [2020-11-12 03:16:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-12 03:16:21,478 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:21,478 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:21,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 03:16:21,478 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:21,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:21,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1878207843, now seen corresponding path program 1 times [2020-11-12 03:16:21,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:21,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655913901] [2020-11-12 03:16:21,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:22,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655913901] [2020-11-12 03:16:22,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:22,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-11-12 03:16:22,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579888983] [2020-11-12 03:16:22,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-12 03:16:22,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:22,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-12 03:16:22,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2020-11-12 03:16:22,922 INFO L87 Difference]: Start difference. First operand 6032 states and 9232 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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) [2020-11-12 03:16:24,091 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-11-12 03:16:24,268 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-11-12 03:16:24,538 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-11-12 03:16:25,075 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2020-11-12 03:16:25,252 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-11-12 03:16:25,537 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-11-12 03:16:25,723 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-11-12 03:16:25,892 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-11-12 03:16:26,695 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-11-12 03:16:26,905 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-12 03:16:27,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:27,586 INFO L93 Difference]: Finished difference Result 7428 states and 11607 transitions. [2020-11-12 03:16:27,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-11-12 03:16:27,587 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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 106 [2020-11-12 03:16:27,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:27,599 INFO L225 Difference]: With dead ends: 7428 [2020-11-12 03:16:27,599 INFO L226 Difference]: Without dead ends: 6924 [2020-11-12 03:16:27,600 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=576, Invalid=2394, Unknown=0, NotChecked=0, Total=2970 [2020-11-12 03:16:27,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6924 states. [2020-11-12 03:16:27,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 5776. [2020-11-12 03:16:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5776 states, 5728 states have (on average 1.5443435754189945) internal successors, (8846), 5775 states have internal predecessors, (8846), 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) [2020-11-12 03:16:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5776 states to 5776 states and 8846 transitions. [2020-11-12 03:16:27,730 INFO L78 Accepts]: Start accepts. Automaton has 5776 states and 8846 transitions. Word has length 106 [2020-11-12 03:16:27,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:27,731 INFO L481 AbstractCegarLoop]: Abstraction has 5776 states and 8846 transitions. [2020-11-12 03:16:27,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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) [2020-11-12 03:16:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5776 states and 8846 transitions. [2020-11-12 03:16:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-12 03:16:27,736 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:27,736 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:27,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 03:16:27,737 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:27,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:27,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1882410093, now seen corresponding path program 2 times [2020-11-12 03:16:27,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:27,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849238643] [2020-11-12 03:16:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:29,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849238643] [2020-11-12 03:16:29,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:29,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-11-12 03:16:29,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570144605] [2020-11-12 03:16:29,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-12 03:16:29,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:29,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-12 03:16:29,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2020-11-12 03:16:29,259 INFO L87 Difference]: Start difference. First operand 5776 states and 8846 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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) [2020-11-12 03:16:30,373 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-11-12 03:16:30,533 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-11-12 03:16:30,704 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-11-12 03:16:31,374 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2020-11-12 03:16:31,554 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-11-12 03:16:31,871 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-11-12 03:16:32,046 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-11-12 03:16:32,204 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-11-12 03:16:32,930 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-12 03:16:33,097 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:16:33,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:33,682 INFO L93 Difference]: Finished difference Result 7062 states and 11045 transitions. [2020-11-12 03:16:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-11-12 03:16:33,683 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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 106 [2020-11-12 03:16:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:33,694 INFO L225 Difference]: With dead ends: 7062 [2020-11-12 03:16:33,694 INFO L226 Difference]: Without dead ends: 6954 [2020-11-12 03:16:33,695 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=580, Invalid=2390, Unknown=0, NotChecked=0, Total=2970 [2020-11-12 03:16:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2020-11-12 03:16:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 5638. [2020-11-12 03:16:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5638 states, 5590 states have (on average 1.5427549194991055) internal successors, (8624), 5637 states have internal predecessors, (8624), 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) [2020-11-12 03:16:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5638 states to 5638 states and 8624 transitions. [2020-11-12 03:16:33,816 INFO L78 Accepts]: Start accepts. Automaton has 5638 states and 8624 transitions. Word has length 106 [2020-11-12 03:16:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:33,816 INFO L481 AbstractCegarLoop]: Abstraction has 5638 states and 8624 transitions. [2020-11-12 03:16:33,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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) [2020-11-12 03:16:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5638 states and 8624 transitions. [2020-11-12 03:16:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-12 03:16:33,821 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:33,822 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:33,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-12 03:16:33,822 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:33,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:33,822 INFO L82 PathProgramCache]: Analyzing trace with hash 719610013, now seen corresponding path program 3 times [2020-11-12 03:16:33,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:33,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265413961] [2020-11-12 03:16:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:35,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265413961] [2020-11-12 03:16:35,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:35,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-11-12 03:16:35,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649927248] [2020-11-12 03:16:35,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-12 03:16:35,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:35,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-12 03:16:35,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2020-11-12 03:16:35,332 INFO L87 Difference]: Start difference. First operand 5638 states and 8624 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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) [2020-11-12 03:16:36,434 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-11-12 03:16:36,599 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-11-12 03:16:36,744 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-11-12 03:16:37,403 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2020-11-12 03:16:37,600 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-11-12 03:16:37,907 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-11-12 03:16:38,090 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-11-12 03:16:38,240 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-11-12 03:16:38,888 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:16:39,046 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:16:39,226 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-11-12 03:16:39,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:39,686 INFO L93 Difference]: Finished difference Result 5450 states and 8372 transitions. [2020-11-12 03:16:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-12 03:16:39,686 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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 106 [2020-11-12 03:16:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:39,693 INFO L225 Difference]: With dead ends: 5450 [2020-11-12 03:16:39,693 INFO L226 Difference]: Without dead ends: 5396 [2020-11-12 03:16:39,695 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=558, Invalid=2304, Unknown=0, NotChecked=0, Total=2862 [2020-11-12 03:16:39,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5396 states. [2020-11-12 03:16:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5396 to 4948. [2020-11-12 03:16:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4948 states, 4904 states have (on average 1.5316068515497554) internal successors, (7511), 4947 states have internal predecessors, (7511), 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) [2020-11-12 03:16:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4948 states to 4948 states and 7511 transitions. [2020-11-12 03:16:39,809 INFO L78 Accepts]: Start accepts. Automaton has 4948 states and 7511 transitions. Word has length 106 [2020-11-12 03:16:39,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:39,810 INFO L481 AbstractCegarLoop]: Abstraction has 4948 states and 7511 transitions. [2020-11-12 03:16:39,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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) [2020-11-12 03:16:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4948 states and 7511 transitions. [2020-11-12 03:16:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-12 03:16:39,820 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:39,821 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:39,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-12 03:16:39,821 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:39,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:39,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1819316526, now seen corresponding path program 1 times [2020-11-12 03:16:39,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:39,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408098818] [2020-11-12 03:16:39,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:39,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408098818] [2020-11-12 03:16:39,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:16:39,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:16:39,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655793822] [2020-11-12 03:16:39,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:16:39,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:39,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:16:39,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:16:39,901 INFO L87 Difference]: Start difference. First operand 4948 states and 7511 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2020-11-12 03:16:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:39,938 INFO L93 Difference]: Finished difference Result 2493 states and 3754 transitions. [2020-11-12 03:16:39,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:16:39,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 174 [2020-11-12 03:16:39,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:39,942 INFO L225 Difference]: With dead ends: 2493 [2020-11-12 03:16:39,942 INFO L226 Difference]: Without dead ends: 2325 [2020-11-12 03:16:39,942 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:16:39,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2020-11-12 03:16:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2325. [2020-11-12 03:16:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2323 states have (on average 1.5221696082651743) internal successors, (3536), 2324 states have internal predecessors, (3536), 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) [2020-11-12 03:16:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3536 transitions. [2020-11-12 03:16:39,983 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3536 transitions. Word has length 174 [2020-11-12 03:16:39,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:39,984 INFO L481 AbstractCegarLoop]: Abstraction has 2325 states and 3536 transitions. [2020-11-12 03:16:39,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2020-11-12 03:16:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3536 transitions. [2020-11-12 03:16:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-12 03:16:39,991 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:39,991 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:39,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-12 03:16:39,991 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:39,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1560695792, now seen corresponding path program 1 times [2020-11-12 03:16:39,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:39,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263886080] [2020-11-12 03:16:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:40,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263886080] [2020-11-12 03:16:40,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036356991] [2020-11-12 03:16:40,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:40,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-12 03:16:40,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:40,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:40,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-12 03:16:40,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449286655] [2020-11-12 03:16:40,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 03:16:40,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:40,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 03:16:40,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-12 03:16:40,470 INFO L87 Difference]: Start difference. First operand 2325 states and 3536 transitions. Second operand has 7 states, 7 states have (on average 31.0) internal successors, (217), 7 states have internal predecessors, (217), 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) [2020-11-12 03:16:40,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:40,546 INFO L93 Difference]: Finished difference Result 4401 states and 6809 transitions. [2020-11-12 03:16:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-12 03:16:40,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 31.0) internal successors, (217), 7 states have internal predecessors, (217), 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 180 [2020-11-12 03:16:40,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:40,552 INFO L225 Difference]: With dead ends: 4401 [2020-11-12 03:16:40,552 INFO L226 Difference]: Without dead ends: 4401 [2020-11-12 03:16:40,553 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-12 03:16:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2020-11-12 03:16:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 3261. [2020-11-12 03:16:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3259 states have (on average 1.5357471617060447) internal successors, (5005), 3260 states have internal predecessors, (5005), 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) [2020-11-12 03:16:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 5005 transitions. [2020-11-12 03:16:40,629 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 5005 transitions. Word has length 180 [2020-11-12 03:16:40,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:40,630 INFO L481 AbstractCegarLoop]: Abstraction has 3261 states and 5005 transitions. [2020-11-12 03:16:40,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.0) internal successors, (217), 7 states have internal predecessors, (217), 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) [2020-11-12 03:16:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 5005 transitions. [2020-11-12 03:16:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-12 03:16:40,639 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:40,640 INFO L494 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:40,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-12 03:16:40,853 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:40,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:40,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1233416632, now seen corresponding path program 1 times [2020-11-12 03:16:40,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:40,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774658264] [2020-11-12 03:16:40,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:40,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774658264] [2020-11-12 03:16:40,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121318971] [2020-11-12 03:16:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:41,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-12 03:16:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:41,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:41,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-12 03:16:41,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148174541] [2020-11-12 03:16:41,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-12 03:16:41,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:41,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-12 03:16:41,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-12 03:16:41,208 INFO L87 Difference]: Start difference. First operand 3261 states and 5005 transitions. Second operand has 9 states, 9 states have (on average 24.77777777777778) internal successors, (223), 9 states have internal predecessors, (223), 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) [2020-11-12 03:16:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:41,308 INFO L93 Difference]: Finished difference Result 5520 states and 8581 transitions. [2020-11-12 03:16:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 03:16:41,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.77777777777778) internal successors, (223), 9 states have internal predecessors, (223), 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 188 [2020-11-12 03:16:41,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:41,320 INFO L225 Difference]: With dead ends: 5520 [2020-11-12 03:16:41,320 INFO L226 Difference]: Without dead ends: 5520 [2020-11-12 03:16:41,321 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-11-12 03:16:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5520 states. [2020-11-12 03:16:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5520 to 4380. [2020-11-12 03:16:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4380 states, 4378 states have (on average 1.5479671082686157) internal successors, (6777), 4379 states have internal predecessors, (6777), 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) [2020-11-12 03:16:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4380 states to 4380 states and 6777 transitions. [2020-11-12 03:16:41,412 INFO L78 Accepts]: Start accepts. Automaton has 4380 states and 6777 transitions. Word has length 188 [2020-11-12 03:16:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:41,413 INFO L481 AbstractCegarLoop]: Abstraction has 4380 states and 6777 transitions. [2020-11-12 03:16:41,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 24.77777777777778) internal successors, (223), 9 states have internal predecessors, (223), 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) [2020-11-12 03:16:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4380 states and 6777 transitions. [2020-11-12 03:16:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-12 03:16:41,428 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:41,429 INFO L494 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:41,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-12 03:16:41,641 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:41,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1134358688, now seen corresponding path program 2 times [2020-11-12 03:16:41,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:41,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712594464] [2020-11-12 03:16:41,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:41,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712594464] [2020-11-12 03:16:41,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148349416] [2020-11-12 03:16:41,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:42,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-12 03:16:42,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:42,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-12 03:16:42,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:42,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:42,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2020-11-12 03:16:42,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950587177] [2020-11-12 03:16:42,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-12 03:16:42,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-12 03:16:42,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-12 03:16:42,151 INFO L87 Difference]: Start difference. First operand 4380 states and 6777 transitions. Second operand has 11 states, 11 states have (on average 21.0) internal successors, (231), 11 states have internal predecessors, (231), 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) [2020-11-12 03:16:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:42,317 INFO L93 Difference]: Finished difference Result 6639 states and 10353 transitions. [2020-11-12 03:16:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-12 03:16:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.0) internal successors, (231), 11 states have internal predecessors, (231), 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 196 [2020-11-12 03:16:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:42,325 INFO L225 Difference]: With dead ends: 6639 [2020-11-12 03:16:42,325 INFO L226 Difference]: Without dead ends: 6639 [2020-11-12 03:16:42,326 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-11-12 03:16:42,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6639 states. [2020-11-12 03:16:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6639 to 5499. [2020-11-12 03:16:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 5497 states have (on average 1.555211933782063) internal successors, (8549), 5498 states have internal predecessors, (8549), 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) [2020-11-12 03:16:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 8549 transitions. [2020-11-12 03:16:42,470 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 8549 transitions. Word has length 196 [2020-11-12 03:16:42,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:42,471 INFO L481 AbstractCegarLoop]: Abstraction has 5499 states and 8549 transitions. [2020-11-12 03:16:42,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 21.0) internal successors, (231), 11 states have internal predecessors, (231), 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) [2020-11-12 03:16:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 8549 transitions. [2020-11-12 03:16:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-12 03:16:42,491 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:42,492 INFO L494 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:42,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-12 03:16:42,707 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:42,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:42,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1237482232, now seen corresponding path program 3 times [2020-11-12 03:16:42,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:42,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146162753] [2020-11-12 03:16:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:42,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146162753] [2020-11-12 03:16:42,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811785227] [2020-11-12 03:16:42,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:43,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-11-12 03:16:43,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:43,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-12 03:16:43,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:43,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:43,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2020-11-12 03:16:43,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461383264] [2020-11-12 03:16:43,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-12 03:16:43,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:43,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-12 03:16:43,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-12 03:16:43,503 INFO L87 Difference]: Start difference. First operand 5499 states and 8549 transitions. Second operand has 13 states, 13 states have (on average 18.384615384615383) internal successors, (239), 13 states have internal predecessors, (239), 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) [2020-11-12 03:16:43,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:43,683 INFO L93 Difference]: Finished difference Result 7758 states and 12125 transitions. [2020-11-12 03:16:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-12 03:16:43,684 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 18.384615384615383) internal successors, (239), 13 states have internal predecessors, (239), 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 204 [2020-11-12 03:16:43,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:43,693 INFO L225 Difference]: With dead ends: 7758 [2020-11-12 03:16:43,693 INFO L226 Difference]: Without dead ends: 7758 [2020-11-12 03:16:43,694 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-11-12 03:16:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7758 states. [2020-11-12 03:16:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7758 to 6618. [2020-11-12 03:16:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6618 states, 6616 states have (on average 1.560006045949214) internal successors, (10321), 6617 states have internal predecessors, (10321), 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) [2020-11-12 03:16:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6618 states to 6618 states and 10321 transitions. [2020-11-12 03:16:43,826 INFO L78 Accepts]: Start accepts. Automaton has 6618 states and 10321 transitions. Word has length 204 [2020-11-12 03:16:43,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:43,826 INFO L481 AbstractCegarLoop]: Abstraction has 6618 states and 10321 transitions. [2020-11-12 03:16:43,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 18.384615384615383) internal successors, (239), 13 states have internal predecessors, (239), 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) [2020-11-12 03:16:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 6618 states and 10321 transitions. [2020-11-12 03:16:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-12 03:16:43,842 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:43,842 INFO L494 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:44,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:44,056 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:44,057 INFO L82 PathProgramCache]: Analyzing trace with hash -910437712, now seen corresponding path program 4 times [2020-11-12 03:16:44,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:44,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153992425] [2020-11-12 03:16:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:44,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153992425] [2020-11-12 03:16:44,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735780338] [2020-11-12 03:16:44,252 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:44,449 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-12 03:16:44,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:44,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-12 03:16:44,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:44,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:44,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2020-11-12 03:16:44,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861870357] [2020-11-12 03:16:44,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-12 03:16:44,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:44,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-12 03:16:44,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-11-12 03:16:44,544 INFO L87 Difference]: Start difference. First operand 6618 states and 10321 transitions. Second operand has 15 states, 15 states have (on average 16.466666666666665) internal successors, (247), 15 states have internal predecessors, (247), 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) [2020-11-12 03:16:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:44,827 INFO L93 Difference]: Finished difference Result 8877 states and 13897 transitions. [2020-11-12 03:16:44,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-12 03:16:44,828 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 16.466666666666665) internal successors, (247), 15 states have internal predecessors, (247), 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 212 [2020-11-12 03:16:44,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:44,837 INFO L225 Difference]: With dead ends: 8877 [2020-11-12 03:16:44,837 INFO L226 Difference]: Without dead ends: 8877 [2020-11-12 03:16:44,838 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2020-11-12 03:16:44,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8877 states. [2020-11-12 03:16:44,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8877 to 7737. [2020-11-12 03:16:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7737 states, 7735 states have (on average 1.5634130575307046) internal successors, (12093), 7736 states have internal predecessors, (12093), 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) [2020-11-12 03:16:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7737 states to 7737 states and 12093 transitions. [2020-11-12 03:16:44,990 INFO L78 Accepts]: Start accepts. Automaton has 7737 states and 12093 transitions. Word has length 212 [2020-11-12 03:16:44,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:44,991 INFO L481 AbstractCegarLoop]: Abstraction has 7737 states and 12093 transitions. [2020-11-12 03:16:44,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 16.466666666666665) internal successors, (247), 15 states have internal predecessors, (247), 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) [2020-11-12 03:16:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7737 states and 12093 transitions. [2020-11-12 03:16:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-12 03:16:45,013 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:45,013 INFO L494 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:45,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-12 03:16:45,228 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:45,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:45,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1636169816, now seen corresponding path program 5 times [2020-11-12 03:16:45,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:45,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603033357] [2020-11-12 03:16:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:45,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603033357] [2020-11-12 03:16:45,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6922805] [2020-11-12 03:16:45,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:45,639 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-11-12 03:16:45,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:45,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-12 03:16:45,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:45,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:45,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2020-11-12 03:16:45,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464807121] [2020-11-12 03:16:45,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-12 03:16:45,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:45,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-12 03:16:45,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-11-12 03:16:45,730 INFO L87 Difference]: Start difference. First operand 7737 states and 12093 transitions. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 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) [2020-11-12 03:16:46,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:46,058 INFO L93 Difference]: Finished difference Result 9996 states and 15669 transitions. [2020-11-12 03:16:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-12 03:16:46,059 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 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 220 [2020-11-12 03:16:46,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:46,069 INFO L225 Difference]: With dead ends: 9996 [2020-11-12 03:16:46,069 INFO L226 Difference]: Without dead ends: 9996 [2020-11-12 03:16:46,070 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2020-11-12 03:16:46,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2020-11-12 03:16:46,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 8856. [2020-11-12 03:16:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8856 states, 8854 states have (on average 1.5659588886379037) internal successors, (13865), 8855 states have internal predecessors, (13865), 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) [2020-11-12 03:16:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8856 states to 8856 states and 13865 transitions. [2020-11-12 03:16:46,237 INFO L78 Accepts]: Start accepts. Automaton has 8856 states and 13865 transitions. Word has length 220 [2020-11-12 03:16:46,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:46,237 INFO L481 AbstractCegarLoop]: Abstraction has 8856 states and 13865 transitions. [2020-11-12 03:16:46,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 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) [2020-11-12 03:16:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 8856 states and 13865 transitions. [2020-11-12 03:16:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-12 03:16:46,257 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:46,257 INFO L494 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:46,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-12 03:16:46,470 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:46,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:46,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1069287936, now seen corresponding path program 6 times [2020-11-12 03:16:46,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:46,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549293932] [2020-11-12 03:16:46,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:46,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549293932] [2020-11-12 03:16:46,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722269701] [2020-11-12 03:16:46,733 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:47,163 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-11-12 03:16:47,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:47,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-12 03:16:47,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:47,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:47,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2020-11-12 03:16:47,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289734384] [2020-11-12 03:16:47,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-12 03:16:47,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:47,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-12 03:16:47,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-11-12 03:16:47,283 INFO L87 Difference]: Start difference. First operand 8856 states and 13865 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 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) [2020-11-12 03:16:47,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:47,762 INFO L93 Difference]: Finished difference Result 11115 states and 17441 transitions. [2020-11-12 03:16:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-12 03:16:47,763 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 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 228 [2020-11-12 03:16:47,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:47,776 INFO L225 Difference]: With dead ends: 11115 [2020-11-12 03:16:47,776 INFO L226 Difference]: Without dead ends: 11115 [2020-11-12 03:16:47,777 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2020-11-12 03:16:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11115 states. [2020-11-12 03:16:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11115 to 9975. [2020-11-12 03:16:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9975 states, 9973 states have (on average 1.5679334202346336) internal successors, (15637), 9974 states have internal predecessors, (15637), 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) [2020-11-12 03:16:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9975 states to 9975 states and 15637 transitions. [2020-11-12 03:16:47,952 INFO L78 Accepts]: Start accepts. Automaton has 9975 states and 15637 transitions. Word has length 228 [2020-11-12 03:16:47,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:47,953 INFO L481 AbstractCegarLoop]: Abstraction has 9975 states and 15637 transitions. [2020-11-12 03:16:47,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 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) [2020-11-12 03:16:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 9975 states and 15637 transitions. [2020-11-12 03:16:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-12 03:16:47,970 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:47,971 INFO L494 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:48,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:48,185 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:48,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:48,186 INFO L82 PathProgramCache]: Analyzing trace with hash 10341288, now seen corresponding path program 7 times [2020-11-12 03:16:48,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:48,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843267761] [2020-11-12 03:16:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:48,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843267761] [2020-11-12 03:16:48,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024779570] [2020-11-12 03:16:48,526 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:48,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-12 03:16:48,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:48,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:48,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2020-11-12 03:16:48,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136816299] [2020-11-12 03:16:48,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-12 03:16:48,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:48,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-12 03:16:48,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-11-12 03:16:48,780 INFO L87 Difference]: Start difference. First operand 9975 states and 15637 transitions. Second operand has 21 states, 21 states have (on average 12.904761904761905) internal successors, (271), 21 states have internal predecessors, (271), 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) [2020-11-12 03:16:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:49,252 INFO L93 Difference]: Finished difference Result 12234 states and 19213 transitions. [2020-11-12 03:16:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-12 03:16:49,253 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.904761904761905) internal successors, (271), 21 states have internal predecessors, (271), 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 236 [2020-11-12 03:16:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:49,269 INFO L225 Difference]: With dead ends: 12234 [2020-11-12 03:16:49,269 INFO L226 Difference]: Without dead ends: 12234 [2020-11-12 03:16:49,270 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=427, Invalid=905, Unknown=0, NotChecked=0, Total=1332 [2020-11-12 03:16:49,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12234 states. [2020-11-12 03:16:49,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12234 to 11094. [2020-11-12 03:16:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11094 states, 11092 states have (on average 1.5695095564370718) internal successors, (17409), 11093 states have internal predecessors, (17409), 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) [2020-11-12 03:16:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 17409 transitions. [2020-11-12 03:16:49,462 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 17409 transitions. Word has length 236 [2020-11-12 03:16:49,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:49,463 INFO L481 AbstractCegarLoop]: Abstraction has 11094 states and 17409 transitions. [2020-11-12 03:16:49,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 12.904761904761905) internal successors, (271), 21 states have internal predecessors, (271), 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) [2020-11-12 03:16:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 17409 transitions. [2020-11-12 03:16:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-11-12 03:16:49,478 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:49,479 INFO L494 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:49,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:49,693 INFO L429 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:49,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:49,694 INFO L82 PathProgramCache]: Analyzing trace with hash 356219216, now seen corresponding path program 8 times [2020-11-12 03:16:49,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:49,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36871790] [2020-11-12 03:16:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:50,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36871790] [2020-11-12 03:16:50,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448888732] [2020-11-12 03:16:50,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:50,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-12 03:16:50,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:50,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-12 03:16:50,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:50,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:16:50,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2020-11-12 03:16:50,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008196347] [2020-11-12 03:16:50,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-12 03:16:50,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:50,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-12 03:16:50,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-12 03:16:50,477 INFO L87 Difference]: Start difference. First operand 11094 states and 17409 transitions. Second operand has 23 states, 23 states have (on average 12.130434782608695) internal successors, (279), 23 states have internal predecessors, (279), 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) [2020-11-12 03:16:51,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:16:51,028 INFO L93 Difference]: Finished difference Result 13353 states and 20985 transitions. [2020-11-12 03:16:51,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-11-12 03:16:51,029 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.130434782608695) internal successors, (279), 23 states have internal predecessors, (279), 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 244 [2020-11-12 03:16:51,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:16:51,045 INFO L225 Difference]: With dead ends: 13353 [2020-11-12 03:16:51,046 INFO L226 Difference]: Without dead ends: 13353 [2020-11-12 03:16:51,047 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2020-11-12 03:16:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13353 states. [2020-11-12 03:16:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13353 to 12213. [2020-11-12 03:16:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12213 states, 12211 states have (on average 1.5707968225370568) internal successors, (19181), 12212 states have internal predecessors, (19181), 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) [2020-11-12 03:16:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12213 states to 12213 states and 19181 transitions. [2020-11-12 03:16:51,255 INFO L78 Accepts]: Start accepts. Automaton has 12213 states and 19181 transitions. Word has length 244 [2020-11-12 03:16:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:16:51,256 INFO L481 AbstractCegarLoop]: Abstraction has 12213 states and 19181 transitions. [2020-11-12 03:16:51,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 12.130434782608695) internal successors, (279), 23 states have internal predecessors, (279), 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) [2020-11-12 03:16:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12213 states and 19181 transitions. [2020-11-12 03:16:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-11-12 03:16:51,273 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:16:51,273 INFO L494 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:16:51,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:51,483 INFO L429 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:16:51,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:16:51,484 INFO L82 PathProgramCache]: Analyzing trace with hash -926613768, now seen corresponding path program 9 times [2020-11-12 03:16:51,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:16:51,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030032318] [2020-11-12 03:16:51,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:16:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:16:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:16:51,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030032318] [2020-11-12 03:16:51,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665055840] [2020-11-12 03:16:51,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:16:52,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-11-12 03:16:52,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:16:52,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 66 conjunts are in the unsatisfiable core [2020-11-12 03:16:52,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:16:52,304 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-12 03:16:52,304 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,307 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,307 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,308 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-12 03:16:52,371 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,371 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-12 03:16:52,373 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,394 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-11-12 03:16:52,395 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,395 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2020-11-12 03:16:52,485 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,486 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-11-12 03:16:52,487 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,534 INFO L625 ElimStorePlain]: treesize reduction 28, result has 50.0 percent of original size [2020-11-12 03:16:52,535 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,535 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:28 [2020-11-12 03:16:52,604 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,604 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-12 03:16:52,605 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,618 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,618 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:25 [2020-11-12 03:16:52,763 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-12 03:16:52,763 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,783 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,783 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,784 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-11-12 03:16:52,853 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2020-11-12 03:16:52,854 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2020-11-12 03:16:52,855 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:52,873 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:52,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-11-12 03:16:53,006 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-12 03:16:53,006 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:53,028 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:53,028 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:53,028 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:50 [2020-11-12 03:16:53,104 INFO L348 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2020-11-12 03:16:53,104 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2020-11-12 03:16:53,105 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:53,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:53,131 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:53,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:57 [2020-11-12 03:16:53,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:16:53,521 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2020-11-12 03:16:53,522 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:53,552 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:53,556 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:53,557 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:67, output treesize:63 [2020-11-12 03:16:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:16:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:16:53,756 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:16:53,787 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:53,787 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 119 [2020-11-12 03:16:53,789 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:53,954 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-11-12 03:16:53,955 INFO L625 ElimStorePlain]: treesize reduction 60, result has 56.2 percent of original size [2020-11-12 03:16:53,961 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:53,961 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:87, output treesize:63 [2020-11-12 03:16:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:16:54,019 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:16:54,020 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2020-11-12 03:16:54,022 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:54,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:54,064 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:54,064 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:78, output treesize:54 [2020-11-12 03:16:54,468 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2020-11-12 03:16:54,469 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:54,494 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:54,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:54,498 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:72, output treesize:48 [2020-11-12 03:16:54,669 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2020-11-12 03:16:54,670 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:54,693 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:54,698 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:54,699 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:59, output treesize:36 [2020-11-12 03:16:55,337 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:55,337 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 77 [2020-11-12 03:16:55,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-12 03:16:55,341 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:55,390 INFO L625 ElimStorePlain]: treesize reduction 35, result has 61.5 percent of original size [2020-11-12 03:16:55,394 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:55,394 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:60, output treesize:36 [2020-11-12 03:16:55,443 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-12 03:16:55,443 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2020-11-12 03:16:55,444 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:55,462 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:55,465 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:16:55,465 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:51, output treesize:36 [2020-11-12 03:16:55,495 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-11-12 03:16:55,497 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:16:55,505 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:16:55,507 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:16:55,507 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:45, output treesize:3 [2020-11-12 03:16:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-11-12 03:16:55,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-12 03:16:55,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [23] total 49 [2020-11-12 03:16:55,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414444217] [2020-11-12 03:16:55,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-12 03:16:55,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:16:55,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-12 03:16:55,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=2118, Unknown=0, NotChecked=0, Total=2352 [2020-11-12 03:16:55,877 INFO L87 Difference]: Start difference. First operand 12213 states and 19181 transitions. Second operand has 28 states, 28 states have (on average 6.571428571428571) internal successors, (184), 28 states have internal predecessors, (184), 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) [2020-11-12 03:16:56,907 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-11-12 03:16:57,142 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:01,373 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-11-12 03:17:05,620 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:05,871 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:17:06,092 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-12 03:17:06,318 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:17:06,568 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-11-12 03:17:06,917 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-11-12 03:17:07,253 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2020-11-12 03:17:07,654 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2020-11-12 03:17:07,880 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:17:08,214 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:17:08,529 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:17:08,827 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-12 03:17:11,844 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-12 03:17:12,181 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-11-12 03:17:14,537 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-11-12 03:17:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:17:15,561 INFO L93 Difference]: Finished difference Result 18648 states and 29193 transitions. [2020-11-12 03:17:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-11-12 03:17:15,562 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.571428571428571) internal successors, (184), 28 states have internal predecessors, (184), 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 252 [2020-11-12 03:17:15,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:17:15,579 INFO L225 Difference]: With dead ends: 18648 [2020-11-12 03:17:15,579 INFO L226 Difference]: Without dead ends: 18648 [2020-11-12 03:17:15,581 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=788, Invalid=5218, Unknown=0, NotChecked=0, Total=6006 [2020-11-12 03:17:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18648 states. [2020-11-12 03:17:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18648 to 17888. [2020-11-12 03:17:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17888 states, 17886 states have (on average 1.5673152186067316) internal successors, (28033), 17887 states have internal predecessors, (28033), 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) [2020-11-12 03:17:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17888 states to 17888 states and 28033 transitions. [2020-11-12 03:17:15,842 INFO L78 Accepts]: Start accepts. Automaton has 17888 states and 28033 transitions. Word has length 252 [2020-11-12 03:17:15,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:17:15,843 INFO L481 AbstractCegarLoop]: Abstraction has 17888 states and 28033 transitions. [2020-11-12 03:17:15,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.571428571428571) internal successors, (184), 28 states have internal predecessors, (184), 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) [2020-11-12 03:17:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 17888 states and 28033 transitions. [2020-11-12 03:17:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-11-12 03:17:15,866 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:17:15,866 INFO L494 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:17:16,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:16,081 INFO L429 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:17:16,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:17:16,082 INFO L82 PathProgramCache]: Analyzing trace with hash 2133148078, now seen corresponding path program 10 times [2020-11-12 03:17:16,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:17:16,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068661251] [2020-11-12 03:17:16,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:17:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:16,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068661251] [2020-11-12 03:17:16,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973079449] [2020-11-12 03:17:16,534 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:16,772 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-12 03:17:16,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:17:16,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-12 03:17:16,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:17:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:16,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:17:16,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2020-11-12 03:17:16,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848124681] [2020-11-12 03:17:16,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-12 03:17:16,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:17:16,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-12 03:17:16,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-11-12 03:17:16,871 INFO L87 Difference]: Start difference. First operand 17888 states and 28033 transitions. Second operand has 25 states, 25 states have (on average 11.48) internal successors, (287), 25 states have internal predecessors, (287), 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) [2020-11-12 03:17:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:17:17,595 INFO L93 Difference]: Finished difference Result 21300 states and 33436 transitions. [2020-11-12 03:17:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-11-12 03:17:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 11.48) internal successors, (287), 25 states have internal predecessors, (287), 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 252 [2020-11-12 03:17:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:17:17,611 INFO L225 Difference]: With dead ends: 21300 [2020-11-12 03:17:17,611 INFO L226 Difference]: Without dead ends: 21300 [2020-11-12 03:17:17,612 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=631, Invalid=1349, Unknown=0, NotChecked=0, Total=1980 [2020-11-12 03:17:17,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21300 states. [2020-11-12 03:17:17,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21300 to 19546. [2020-11-12 03:17:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19546 states, 19544 states have (on average 1.5685632419156774) internal successors, (30656), 19545 states have internal predecessors, (30656), 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) [2020-11-12 03:17:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19546 states to 19546 states and 30656 transitions. [2020-11-12 03:17:17,864 INFO L78 Accepts]: Start accepts. Automaton has 19546 states and 30656 transitions. Word has length 252 [2020-11-12 03:17:17,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:17:17,865 INFO L481 AbstractCegarLoop]: Abstraction has 19546 states and 30656 transitions. [2020-11-12 03:17:17,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.48) internal successors, (287), 25 states have internal predecessors, (287), 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) [2020-11-12 03:17:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 19546 states and 30656 transitions. [2020-11-12 03:17:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-11-12 03:17:17,889 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:17:17,890 INFO L494 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:17:18,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-11-12 03:17:18,106 INFO L429 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:17:18,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:17:18,107 INFO L82 PathProgramCache]: Analyzing trace with hash 562530646, now seen corresponding path program 11 times [2020-11-12 03:17:18,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:17:18,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090368352] [2020-11-12 03:17:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:17:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:18,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090368352] [2020-11-12 03:17:18,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152438775] [2020-11-12 03:17:18,554 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:18,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2020-11-12 03:17:18,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:17:18,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-12 03:17:18,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:17:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:18,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:17:18,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27 [2020-11-12 03:17:18,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368324595] [2020-11-12 03:17:18,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-11-12 03:17:18,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:17:18,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-11-12 03:17:18,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2020-11-12 03:17:18,900 INFO L87 Difference]: Start difference. First operand 19546 states and 30656 transitions. Second operand has 27 states, 27 states have (on average 10.925925925925926) internal successors, (295), 27 states have internal predecessors, (295), 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) [2020-11-12 03:17:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:17:19,720 INFO L93 Difference]: Finished difference Result 22958 states and 36059 transitions. [2020-11-12 03:17:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-12 03:17:19,720 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 10.925925925925926) internal successors, (295), 27 states have internal predecessors, (295), 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 260 [2020-11-12 03:17:19,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:17:19,739 INFO L225 Difference]: With dead ends: 22958 [2020-11-12 03:17:19,740 INFO L226 Difference]: Without dead ends: 22958 [2020-11-12 03:17:19,740 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=748, Invalid=1604, Unknown=0, NotChecked=0, Total=2352 [2020-11-12 03:17:19,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22958 states. [2020-11-12 03:17:20,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22958 to 21204. [2020-11-12 03:17:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21204 states, 21202 states have (on average 1.5696160739552871) internal successors, (33279), 21203 states have internal predecessors, (33279), 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) [2020-11-12 03:17:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21204 states to 21204 states and 33279 transitions. [2020-11-12 03:17:20,150 INFO L78 Accepts]: Start accepts. Automaton has 21204 states and 33279 transitions. Word has length 260 [2020-11-12 03:17:20,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:17:20,150 INFO L481 AbstractCegarLoop]: Abstraction has 21204 states and 33279 transitions. [2020-11-12 03:17:20,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 10.925925925925926) internal successors, (295), 27 states have internal predecessors, (295), 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) [2020-11-12 03:17:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21204 states and 33279 transitions. [2020-11-12 03:17:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-12 03:17:20,181 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:17:20,182 INFO L494 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:17:20,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-11-12 03:17:20,397 INFO L429 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:17:20,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:17:20,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1986287362, now seen corresponding path program 12 times [2020-11-12 03:17:20,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:17:20,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632779731] [2020-11-12 03:17:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:17:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:20,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632779731] [2020-11-12 03:17:20,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924911124] [2020-11-12 03:17:20,991 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:21,514 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2020-11-12 03:17:21,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:17:21,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 65 conjunts are in the unsatisfiable core [2020-11-12 03:17:21,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:17:21,531 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-12 03:17:21,532 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:21,534 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,534 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-12 03:17:21,576 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:21,577 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-12 03:17:21,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-12 03:17:21,583 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,602 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-11-12 03:17:21,602 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,602 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2020-11-12 03:17:21,674 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:21,675 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-11-12 03:17:21,676 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,715 INFO L625 ElimStorePlain]: treesize reduction 28, result has 50.0 percent of original size [2020-11-12 03:17:21,715 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,715 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:28 [2020-11-12 03:17:21,783 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:21,784 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-12 03:17:21,785 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,801 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:21,802 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,802 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:25 [2020-11-12 03:17:21,946 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-12 03:17:21,946 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,965 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:21,965 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:21,965 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-11-12 03:17:22,048 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2020-11-12 03:17:22,048 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2020-11-12 03:17:22,049 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:22,067 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:22,068 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:22,068 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-11-12 03:17:22,199 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-12 03:17:22,199 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:22,219 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:22,219 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:22,219 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:50 [2020-11-12 03:17:22,295 INFO L348 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2020-11-12 03:17:22,296 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2020-11-12 03:17:22,297 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:22,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:22,323 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:22,324 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:57 [2020-11-12 03:17:22,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:22,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:22,825 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:17:22,826 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2020-11-12 03:17:22,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:22,856 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:22,860 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:22,861 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:76, output treesize:66 [2020-11-12 03:17:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:22,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:22,988 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-11-12 03:17:22,989 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:23,022 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:23,025 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:23,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:81, output treesize:63 [2020-11-12 03:17:23,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:23,157 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:17:23,160 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2020-11-12 03:17:23,162 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:23,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:23,192 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:23,193 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:78, output treesize:54 [2020-11-12 03:17:23,611 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2020-11-12 03:17:23,612 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:23,636 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:23,638 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:23,639 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:72, output treesize:48 [2020-11-12 03:17:23,811 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2020-11-12 03:17:23,812 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:23,835 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:23,839 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:23,840 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:59, output treesize:36 [2020-11-12 03:17:24,571 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:24,571 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 77 [2020-11-12 03:17:24,573 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-12 03:17:24,574 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:24,619 INFO L625 ElimStorePlain]: treesize reduction 35, result has 61.5 percent of original size [2020-11-12 03:17:24,624 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:24,624 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:60, output treesize:36 [2020-11-12 03:17:24,663 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-12 03:17:24,664 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2020-11-12 03:17:24,664 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:24,687 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:24,690 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:24,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:51, output treesize:36 [2020-11-12 03:17:24,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-11-12 03:17:24,715 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:24,723 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:24,725 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:24,725 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:45, output treesize:3 [2020-11-12 03:17:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-11-12 03:17:25,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-12 03:17:25,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [27] total 54 [2020-11-12 03:17:25,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256478616] [2020-11-12 03:17:25,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-11-12 03:17:25,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:17:25,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-11-12 03:17:25,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=2572, Unknown=0, NotChecked=0, Total=2862 [2020-11-12 03:17:25,133 INFO L87 Difference]: Start difference. First operand 21204 states and 33279 transitions. Second operand has 29 states, 29 states have (on average 6.344827586206897) internal successors, (184), 29 states have internal predecessors, (184), 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) [2020-11-12 03:17:26,364 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:26,577 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-11-12 03:17:30,830 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:31,107 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:17:31,355 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-12 03:17:31,623 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:17:31,903 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-11-12 03:17:32,188 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-11-12 03:17:32,589 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-11-12 03:17:32,937 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2020-11-12 03:17:33,364 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2020-11-12 03:17:33,613 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:17:37,973 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:17:38,330 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:17:38,651 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-12 03:17:41,762 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-12 03:17:42,090 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-11-12 03:17:42,435 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-11-12 03:17:43,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:17:43,427 INFO L93 Difference]: Finished difference Result 28819 states and 45160 transitions. [2020-11-12 03:17:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-11-12 03:17:43,428 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.344827586206897) internal successors, (184), 29 states have internal predecessors, (184), 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 268 [2020-11-12 03:17:43,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:17:43,454 INFO L225 Difference]: With dead ends: 28819 [2020-11-12 03:17:43,454 INFO L226 Difference]: Without dead ends: 28819 [2020-11-12 03:17:43,457 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=870, Invalid=6102, Unknown=0, NotChecked=0, Total=6972 [2020-11-12 03:17:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28819 states. [2020-11-12 03:17:43,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28819 to 21154. [2020-11-12 03:17:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21154 states, 21152 states have (on average 1.5702534039334342) internal successors, (33214), 21153 states have internal predecessors, (33214), 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) [2020-11-12 03:17:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21154 states to 21154 states and 33214 transitions. [2020-11-12 03:17:43,712 INFO L78 Accepts]: Start accepts. Automaton has 21154 states and 33214 transitions. Word has length 268 [2020-11-12 03:17:43,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:17:43,712 INFO L481 AbstractCegarLoop]: Abstraction has 21154 states and 33214 transitions. [2020-11-12 03:17:43,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 6.344827586206897) internal successors, (184), 29 states have internal predecessors, (184), 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) [2020-11-12 03:17:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21154 states and 33214 transitions. [2020-11-12 03:17:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-12 03:17:43,732 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:17:43,732 INFO L494 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:17:43,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-12 03:17:43,933 INFO L429 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:17:43,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:17:43,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1334386360, now seen corresponding path program 13 times [2020-11-12 03:17:43,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:17:43,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922530910] [2020-11-12 03:17:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:17:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:44,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922530910] [2020-11-12 03:17:44,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191949137] [2020-11-12 03:17:44,579 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:44,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-12 03:17:44,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:17:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:44,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:17:44,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 29 [2020-11-12 03:17:44,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859206016] [2020-11-12 03:17:44,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-11-12 03:17:44,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:17:44,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-11-12 03:17:44,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2020-11-12 03:17:44,898 INFO L87 Difference]: Start difference. First operand 21154 states and 33214 transitions. Second operand has 29 states, 29 states have (on average 10.448275862068966) internal successors, (303), 29 states have internal predecessors, (303), 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) [2020-11-12 03:17:45,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:17:45,806 INFO L93 Difference]: Finished difference Result 24566 states and 38617 transitions. [2020-11-12 03:17:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-11-12 03:17:45,808 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.448275862068966) internal successors, (303), 29 states have internal predecessors, (303), 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 268 [2020-11-12 03:17:45,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:17:45,829 INFO L225 Difference]: With dead ends: 24566 [2020-11-12 03:17:45,830 INFO L226 Difference]: Without dead ends: 24566 [2020-11-12 03:17:45,831 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=875, Invalid=1881, Unknown=0, NotChecked=0, Total=2756 [2020-11-12 03:17:45,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24566 states. [2020-11-12 03:17:46,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24566 to 22812. [2020-11-12 03:17:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22812 states, 22810 states have (on average 1.5711091626479614) internal successors, (35837), 22811 states have internal predecessors, (35837), 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) [2020-11-12 03:17:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22812 states to 22812 states and 35837 transitions. [2020-11-12 03:17:46,106 INFO L78 Accepts]: Start accepts. Automaton has 22812 states and 35837 transitions. Word has length 268 [2020-11-12 03:17:46,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:17:46,107 INFO L481 AbstractCegarLoop]: Abstraction has 22812 states and 35837 transitions. [2020-11-12 03:17:46,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 10.448275862068966) internal successors, (303), 29 states have internal predecessors, (303), 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) [2020-11-12 03:17:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22812 states and 35837 transitions. [2020-11-12 03:17:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-11-12 03:17:46,128 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:17:46,128 INFO L494 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:17:46,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:46,332 INFO L429 AbstractCegarLoop]: === Iteration 27 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:17:46,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:17:46,333 INFO L82 PathProgramCache]: Analyzing trace with hash 603254512, now seen corresponding path program 14 times [2020-11-12 03:17:46,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:17:46,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230487022] [2020-11-12 03:17:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:17:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:47,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230487022] [2020-11-12 03:17:47,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932362244] [2020-11-12 03:17:47,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:47,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-12 03:17:47,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:17:47,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 28 conjunts are in the unsatisfiable core [2020-11-12 03:17:47,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:17:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:47,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:17:47,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31 [2020-11-12 03:17:47,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413652671] [2020-11-12 03:17:47,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-11-12 03:17:47,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:17:47,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-11-12 03:17:47,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2020-11-12 03:17:47,653 INFO L87 Difference]: Start difference. First operand 22812 states and 35837 transitions. Second operand has 31 states, 31 states have (on average 10.03225806451613) internal successors, (311), 31 states have internal predecessors, (311), 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) [2020-11-12 03:17:48,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:17:48,669 INFO L93 Difference]: Finished difference Result 26224 states and 41240 transitions. [2020-11-12 03:17:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-12 03:17:48,670 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 10.03225806451613) internal successors, (311), 31 states have internal predecessors, (311), 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 276 [2020-11-12 03:17:48,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:17:48,694 INFO L225 Difference]: With dead ends: 26224 [2020-11-12 03:17:48,694 INFO L226 Difference]: Without dead ends: 26224 [2020-11-12 03:17:48,695 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1012, Invalid=2180, Unknown=0, NotChecked=0, Total=3192 [2020-11-12 03:17:48,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26224 states. [2020-11-12 03:17:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26224 to 24470. [2020-11-12 03:17:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24470 states, 24468 states have (on average 1.5718489455615499) internal successors, (38460), 24469 states have internal predecessors, (38460), 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) [2020-11-12 03:17:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24470 states to 24470 states and 38460 transitions. [2020-11-12 03:17:48,972 INFO L78 Accepts]: Start accepts. Automaton has 24470 states and 38460 transitions. Word has length 276 [2020-11-12 03:17:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:17:48,973 INFO L481 AbstractCegarLoop]: Abstraction has 24470 states and 38460 transitions. [2020-11-12 03:17:48,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 10.03225806451613) internal successors, (311), 31 states have internal predecessors, (311), 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) [2020-11-12 03:17:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24470 states and 38460 transitions. [2020-11-12 03:17:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-11-12 03:17:49,008 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:17:49,009 INFO L494 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:17:49,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-11-12 03:17:49,223 INFO L429 AbstractCegarLoop]: === Iteration 28 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:17:49,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:17:49,223 INFO L82 PathProgramCache]: Analyzing trace with hash -76648, now seen corresponding path program 15 times [2020-11-12 03:17:49,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:17:49,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978419673] [2020-11-12 03:17:49,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:17:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:17:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:17:50,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978419673] [2020-11-12 03:17:50,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923157897] [2020-11-12 03:17:50,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:17:50,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-11-12 03:17:50,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:17:50,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 74 conjunts are in the unsatisfiable core [2020-11-12 03:17:50,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:17:50,570 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-12 03:17:50,570 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:50,573 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,573 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-12 03:17:50,620 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:50,620 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-12 03:17:50,621 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,640 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-11-12 03:17:50,641 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,641 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2020-11-12 03:17:50,722 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:50,723 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-11-12 03:17:50,724 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,776 INFO L625 ElimStorePlain]: treesize reduction 28, result has 50.0 percent of original size [2020-11-12 03:17:50,777 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,777 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:28 [2020-11-12 03:17:50,863 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:50,864 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-12 03:17:50,865 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:50,879 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:50,880 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:25 [2020-11-12 03:17:51,052 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-12 03:17:51,052 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,078 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:51,078 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,078 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-11-12 03:17:51,176 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2020-11-12 03:17:51,177 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2020-11-12 03:17:51,177 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:51,199 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,200 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-11-12 03:17:51,366 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-12 03:17:51,366 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,390 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:51,390 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,390 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:50 [2020-11-12 03:17:51,480 INFO L348 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2020-11-12 03:17:51,481 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2020-11-12 03:17:51,482 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:51,510 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:51,511 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:51,512 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:57 [2020-11-12 03:17:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:52,092 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:17:52,131 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:52,132 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 109 [2020-11-12 03:17:52,133 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:52,237 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-11-12 03:17:52,238 INFO L625 ElimStorePlain]: treesize reduction 60, result has 53.8 percent of original size [2020-11-12 03:17:52,243 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:52,244 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:80, output treesize:56 [2020-11-12 03:17:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:52,536 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:17:52,539 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2020-11-12 03:17:52,542 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:52,581 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:52,583 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:52,583 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:58 [2020-11-12 03:17:52,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:17:52,705 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2020-11-12 03:17:52,706 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:52,739 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:52,742 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:52,742 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:67, output treesize:63 [2020-11-12 03:17:53,155 INFO L348 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2020-11-12 03:17:53,156 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 47 [2020-11-12 03:17:53,157 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:53,182 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:53,185 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:53,185 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:78, output treesize:59 [2020-11-12 03:17:53,347 INFO L348 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2020-11-12 03:17:53,347 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 52 [2020-11-12 03:17:53,348 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:53,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:53,388 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:53,389 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:68, output treesize:45 [2020-11-12 03:17:54,108 INFO L348 Elim1Store]: treesize reduction 12, result has 86.8 percent of original size [2020-11-12 03:17:54,109 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 119 [2020-11-12 03:17:54,110 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:54,178 INFO L625 ElimStorePlain]: treesize reduction 60, result has 49.6 percent of original size [2020-11-12 03:17:54,181 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:54,182 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:69, output treesize:45 [2020-11-12 03:17:54,234 INFO L348 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2020-11-12 03:17:54,234 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 47 [2020-11-12 03:17:54,236 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:54,253 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:54,256 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:17:54,256 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:60, output treesize:36 [2020-11-12 03:17:54,387 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-11-12 03:17:54,388 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:17:54,397 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:17:54,399 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:17:54,400 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:45, output treesize:3 [2020-11-12 03:17:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-12 03:17:54,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-12 03:17:54,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [31] total 60 [2020-11-12 03:17:54,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774218430] [2020-11-12 03:17:54,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-11-12 03:17:54,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:17:54,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-11-12 03:17:54,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=3199, Unknown=0, NotChecked=0, Total=3540 [2020-11-12 03:17:54,938 INFO L87 Difference]: Start difference. First operand 24470 states and 38460 transitions. Second operand has 31 states, 31 states have (on average 5.935483870967742) internal successors, (184), 31 states have internal predecessors, (184), 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) [2020-11-12 03:17:56,211 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:56,434 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-11-12 03:17:56,671 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:56,936 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-12 03:17:57,245 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-11-12 03:17:57,530 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-11-12 03:17:57,907 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-11-12 03:17:58,179 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-11-12 03:17:58,409 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-11-12 03:17:58,716 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-11-12 03:17:58,993 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-11-12 03:17:59,255 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-11-12 03:17:59,658 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-11-12 03:17:59,966 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-11-12 03:18:00,702 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-11-12 03:18:01,218 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-11-12 03:18:01,582 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-11-12 03:18:01,956 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-11-12 03:18:03,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:18:03,455 INFO L93 Difference]: Finished difference Result 33255 states and 52197 transitions. [2020-11-12 03:18:03,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-11-12 03:18:03,456 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 5.935483870967742) internal successors, (184), 31 states have internal predecessors, (184), 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 284 [2020-11-12 03:18:03,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:18:03,486 INFO L225 Difference]: With dead ends: 33255 [2020-11-12 03:18:03,486 INFO L226 Difference]: Without dead ends: 33255 [2020-11-12 03:18:03,488 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1796 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=852, Invalid=7158, Unknown=0, NotChecked=0, Total=8010 [2020-11-12 03:18:03,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33255 states. [2020-11-12 03:18:03,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33255 to 24410. [2020-11-12 03:18:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24410 states, 24408 states have (on average 1.5725172074729596) internal successors, (38382), 24409 states have internal predecessors, (38382), 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) [2020-11-12 03:18:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24410 states to 24410 states and 38382 transitions. [2020-11-12 03:18:03,800 INFO L78 Accepts]: Start accepts. Automaton has 24410 states and 38382 transitions. Word has length 284 [2020-11-12 03:18:03,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:18:03,800 INFO L481 AbstractCegarLoop]: Abstraction has 24410 states and 38382 transitions. [2020-11-12 03:18:03,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 5.935483870967742) internal successors, (184), 31 states have internal predecessors, (184), 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) [2020-11-12 03:18:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24410 states and 38382 transitions. [2020-11-12 03:18:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-11-12 03:18:03,825 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:18:03,826 INFO L494 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:18:04,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-12 03:18:04,029 INFO L429 AbstractCegarLoop]: === Iteration 29 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:18:04,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:18:04,030 INFO L82 PathProgramCache]: Analyzing trace with hash -823225494, now seen corresponding path program 16 times [2020-11-12 03:18:04,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:18:04,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761106861] [2020-11-12 03:18:04,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:18:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:04,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761106861] [2020-11-12 03:18:04,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146861619] [2020-11-12 03:18:04,700 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:04,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-12 03:18:04,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:18:04,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-12 03:18:04,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:18:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:05,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:18:05,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 33 [2020-11-12 03:18:05,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393472188] [2020-11-12 03:18:05,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-11-12 03:18:05,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:18:05,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-11-12 03:18:05,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2020-11-12 03:18:05,034 INFO L87 Difference]: Start difference. First operand 24410 states and 38382 transitions. Second operand has 33 states, 33 states have (on average 9.666666666666666) internal successors, (319), 33 states have internal predecessors, (319), 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) [2020-11-12 03:18:06,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:18:06,323 INFO L93 Difference]: Finished difference Result 27822 states and 43785 transitions. [2020-11-12 03:18:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-11-12 03:18:06,324 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 9.666666666666666) internal successors, (319), 33 states have internal predecessors, (319), 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 284 [2020-11-12 03:18:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:18:06,347 INFO L225 Difference]: With dead ends: 27822 [2020-11-12 03:18:06,347 INFO L226 Difference]: Without dead ends: 27822 [2020-11-12 03:18:06,351 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1159, Invalid=2501, Unknown=0, NotChecked=0, Total=3660 [2020-11-12 03:18:06,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27822 states. [2020-11-12 03:18:06,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27822 to 26068. [2020-11-12 03:18:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26068 states, 26066 states have (on average 1.5731220747333692) internal successors, (41005), 26067 states have internal predecessors, (41005), 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) [2020-11-12 03:18:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26068 states to 26068 states and 41005 transitions. [2020-11-12 03:18:06,719 INFO L78 Accepts]: Start accepts. Automaton has 26068 states and 41005 transitions. Word has length 284 [2020-11-12 03:18:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:18:06,720 INFO L481 AbstractCegarLoop]: Abstraction has 26068 states and 41005 transitions. [2020-11-12 03:18:06,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 9.666666666666666) internal successors, (319), 33 states have internal predecessors, (319), 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) [2020-11-12 03:18:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 26068 states and 41005 transitions. [2020-11-12 03:18:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-11-12 03:18:06,754 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:18:06,755 INFO L494 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:18:06,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-11-12 03:18:06,970 INFO L429 AbstractCegarLoop]: === Iteration 30 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:18:06,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:18:06,971 INFO L82 PathProgramCache]: Analyzing trace with hash 565272338, now seen corresponding path program 17 times [2020-11-12 03:18:06,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:18:06,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386711969] [2020-11-12 03:18:06,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:18:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:07,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386711969] [2020-11-12 03:18:07,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211520705] [2020-11-12 03:18:07,707 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:07,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2020-11-12 03:18:07,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:18:07,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 32 conjunts are in the unsatisfiable core [2020-11-12 03:18:07,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:18:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:08,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:18:08,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 35 [2020-11-12 03:18:08,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283560790] [2020-11-12 03:18:08,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-11-12 03:18:08,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:18:08,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-11-12 03:18:08,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2020-11-12 03:18:08,065 INFO L87 Difference]: Start difference. First operand 26068 states and 41005 transitions. Second operand has 35 states, 35 states have (on average 9.342857142857143) internal successors, (327), 35 states have internal predecessors, (327), 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) [2020-11-12 03:18:09,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:18:09,458 INFO L93 Difference]: Finished difference Result 29480 states and 46408 transitions. [2020-11-12 03:18:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-11-12 03:18:09,459 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 9.342857142857143) internal successors, (327), 35 states have internal predecessors, (327), 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 292 [2020-11-12 03:18:09,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:18:09,604 INFO L225 Difference]: With dead ends: 29480 [2020-11-12 03:18:09,604 INFO L226 Difference]: Without dead ends: 29480 [2020-11-12 03:18:09,609 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1316, Invalid=2844, Unknown=0, NotChecked=0, Total=4160 [2020-11-12 03:18:09,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29480 states. [2020-11-12 03:18:09,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29480 to 27726. [2020-11-12 03:18:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27726 states, 27724 states have (on average 1.573654595296494) internal successors, (43628), 27725 states have internal predecessors, (43628), 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) [2020-11-12 03:18:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27726 states to 27726 states and 43628 transitions. [2020-11-12 03:18:10,015 INFO L78 Accepts]: Start accepts. Automaton has 27726 states and 43628 transitions. Word has length 292 [2020-11-12 03:18:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:18:10,015 INFO L481 AbstractCegarLoop]: Abstraction has 27726 states and 43628 transitions. [2020-11-12 03:18:10,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 9.342857142857143) internal successors, (327), 35 states have internal predecessors, (327), 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) [2020-11-12 03:18:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 27726 states and 43628 transitions. [2020-11-12 03:18:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-11-12 03:18:10,041 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:18:10,041 INFO L494 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:18:10,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:10,242 INFO L429 AbstractCegarLoop]: === Iteration 31 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:18:10,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:18:10,243 INFO L82 PathProgramCache]: Analyzing trace with hash 593625786, now seen corresponding path program 18 times [2020-11-12 03:18:10,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:18:10,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506400714] [2020-11-12 03:18:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:18:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 0 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:11,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506400714] [2020-11-12 03:18:11,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663714734] [2020-11-12 03:18:11,051 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:11,523 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2020-11-12 03:18:11,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:18:11,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 62 conjunts are in the unsatisfiable core [2020-11-12 03:18:11,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:18:11,549 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-12 03:18:11,549 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,551 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:11,551 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,552 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-12 03:18:11,603 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:11,603 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-12 03:18:11,604 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,625 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-11-12 03:18:11,625 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,626 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2020-11-12 03:18:11,682 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:11,682 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-11-12 03:18:11,683 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:11,690 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2020-11-12 03:18:11,834 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-12 03:18:11,834 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,849 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:11,850 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,850 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2020-11-12 03:18:11,925 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2020-11-12 03:18:11,925 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2020-11-12 03:18:11,925 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,937 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:11,938 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:11,938 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2020-11-12 03:18:12,071 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-12 03:18:12,072 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,087 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:12,088 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,088 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2020-11-12 03:18:12,165 INFO L348 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2020-11-12 03:18:12,165 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2020-11-12 03:18:12,166 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,183 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:12,184 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:12,185 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:45 [2020-11-12 03:18:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:12,635 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:18:12,671 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:12,672 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 109 [2020-11-12 03:18:12,673 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,756 INFO L625 ElimStorePlain]: treesize reduction 60, result has 49.2 percent of original size [2020-11-12 03:18:12,758 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:12,758 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:68, output treesize:44 [2020-11-12 03:18:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:12,773 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:18:12,774 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2020-11-12 03:18:12,775 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,798 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:12,800 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:12,801 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:59, output treesize:35 [2020-11-12 03:18:12,893 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:18:12,894 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-11-12 03:18:12,895 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,911 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:12,917 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:12,917 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:14 [2020-11-12 03:18:13,049 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-12 03:18:13,049 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:13,060 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,060 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:14 [2020-11-12 03:18:13,125 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-11-12 03:18:13,125 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,133 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:13,134 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,134 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2020-11-12 03:18:13,446 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:13,447 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-12 03:18:13,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-12 03:18:13,449 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,479 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-11-12 03:18:13,480 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,480 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-11-12 03:18:13,495 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-12 03:18:13,496 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-11-12 03:18:13,496 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,502 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:13,503 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,504 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-11-12 03:18:13,508 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-11-12 03:18:13,508 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,510 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:13,511 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:13,511 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-11-12 03:18:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2020-11-12 03:18:13,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-12 03:18:13,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [35] total 59 [2020-11-12 03:18:13,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423966157] [2020-11-12 03:18:13,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-12 03:18:13,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:18:13,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-12 03:18:13,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=3006, Unknown=0, NotChecked=0, Total=3422 [2020-11-12 03:18:13,878 INFO L87 Difference]: Start difference. First operand 27726 states and 43628 transitions. Second operand has 26 states, 26 states have (on average 7.076923076923077) internal successors, (184), 26 states have internal predecessors, (184), 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) [2020-11-12 03:18:15,566 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-11-12 03:18:15,796 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-11-12 03:18:16,018 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-12 03:18:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:18:19,405 INFO L93 Difference]: Finished difference Result 36385 states and 56788 transitions. [2020-11-12 03:18:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-12 03:18:19,406 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.076923076923077) internal successors, (184), 26 states have internal predecessors, (184), 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 300 [2020-11-12 03:18:19,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:18:19,440 INFO L225 Difference]: With dead ends: 36385 [2020-11-12 03:18:19,440 INFO L226 Difference]: Without dead ends: 36385 [2020-11-12 03:18:19,441 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1024, Invalid=7166, Unknown=0, NotChecked=0, Total=8190 [2020-11-12 03:18:19,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36385 states. [2020-11-12 03:18:19,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36385 to 24555. [2020-11-12 03:18:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24555 states, 24553 states have (on average 1.5631898342361423) internal successors, (38381), 24554 states have internal predecessors, (38381), 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) [2020-11-12 03:18:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24555 states to 24555 states and 38381 transitions. [2020-11-12 03:18:19,754 INFO L78 Accepts]: Start accepts. Automaton has 24555 states and 38381 transitions. Word has length 300 [2020-11-12 03:18:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:18:19,755 INFO L481 AbstractCegarLoop]: Abstraction has 24555 states and 38381 transitions. [2020-11-12 03:18:19,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 7.076923076923077) internal successors, (184), 26 states have internal predecessors, (184), 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) [2020-11-12 03:18:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 24555 states and 38381 transitions. [2020-11-12 03:18:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-11-12 03:18:19,779 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:18:19,780 INFO L494 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:18:19,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:19,985 INFO L429 AbstractCegarLoop]: === Iteration 32 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:18:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:18:19,986 INFO L82 PathProgramCache]: Analyzing trace with hash 61165859, now seen corresponding path program 1 times [2020-11-12 03:18:19,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:18:19,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241270904] [2020-11-12 03:18:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:18:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:20,231 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-11-12 03:18:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 0 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:21,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241270904] [2020-11-12 03:18:21,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122963127] [2020-11-12 03:18:21,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:21,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 34 conjunts are in the unsatisfiable core [2020-11-12 03:18:21,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:18:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 0 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:21,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:18:21,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 37 [2020-11-12 03:18:21,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95434523] [2020-11-12 03:18:21,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-11-12 03:18:21,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:18:21,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-11-12 03:18:21,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2020-11-12 03:18:21,401 INFO L87 Difference]: Start difference. First operand 24555 states and 38381 transitions. Second operand has 37 states, 37 states have (on average 9.27027027027027) internal successors, (343), 37 states have internal predecessors, (343), 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) [2020-11-12 03:18:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:18:22,928 INFO L93 Difference]: Finished difference Result 27570 states and 43109 transitions. [2020-11-12 03:18:22,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-11-12 03:18:22,928 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 9.27027027027027) internal successors, (343), 37 states have internal predecessors, (343), 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 304 [2020-11-12 03:18:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:18:22,952 INFO L225 Difference]: With dead ends: 27570 [2020-11-12 03:18:22,953 INFO L226 Difference]: Without dead ends: 27570 [2020-11-12 03:18:22,954 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1483, Invalid=3209, Unknown=0, NotChecked=0, Total=4692 [2020-11-12 03:18:22,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27570 states. [2020-11-12 03:18:23,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27570 to 26052. [2020-11-12 03:18:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26052 states, 26050 states have (on average 1.563493282149712) internal successors, (40729), 26051 states have internal predecessors, (40729), 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) [2020-11-12 03:18:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26052 states to 26052 states and 40729 transitions. [2020-11-12 03:18:23,231 INFO L78 Accepts]: Start accepts. Automaton has 26052 states and 40729 transitions. Word has length 304 [2020-11-12 03:18:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:18:23,232 INFO L481 AbstractCegarLoop]: Abstraction has 26052 states and 40729 transitions. [2020-11-12 03:18:23,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 9.27027027027027) internal successors, (343), 37 states have internal predecessors, (343), 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) [2020-11-12 03:18:23,232 INFO L276 IsEmpty]: Start isEmpty. Operand 26052 states and 40729 transitions. [2020-11-12 03:18:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-11-12 03:18:23,255 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:18:23,255 INFO L494 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:18:23,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-11-12 03:18:23,456 INFO L429 AbstractCegarLoop]: === Iteration 33 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:18:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:18:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash -338734133, now seen corresponding path program 2 times [2020-11-12 03:18:23,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:18:23,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613836140] [2020-11-12 03:18:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:18:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:24,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613836140] [2020-11-12 03:18:24,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029708213] [2020-11-12 03:18:24,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:24,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-12 03:18:24,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:18:24,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 36 conjunts are in the unsatisfiable core [2020-11-12 03:18:24,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:18:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:24,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:18:24,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 39 [2020-11-12 03:18:24,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229401299] [2020-11-12 03:18:24,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-11-12 03:18:24,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:18:24,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-11-12 03:18:24,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482 [2020-11-12 03:18:24,993 INFO L87 Difference]: Start difference. First operand 26052 states and 40729 transitions. Second operand has 39 states, 39 states have (on average 9.0) internal successors, (351), 39 states have internal predecessors, (351), 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) [2020-11-12 03:18:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:18:26,663 INFO L93 Difference]: Finished difference Result 29067 states and 45457 transitions. [2020-11-12 03:18:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-12 03:18:26,664 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 9.0) internal successors, (351), 39 states have internal predecessors, (351), 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 312 [2020-11-12 03:18:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:18:26,690 INFO L225 Difference]: With dead ends: 29067 [2020-11-12 03:18:26,690 INFO L226 Difference]: Without dead ends: 29067 [2020-11-12 03:18:26,691 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1660, Invalid=3596, Unknown=0, NotChecked=0, Total=5256 [2020-11-12 03:18:26,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29067 states. [2020-11-12 03:18:26,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29067 to 27549. [2020-11-12 03:18:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27549 states, 27547 states have (on average 1.5637637492285912) internal successors, (43077), 27548 states have internal predecessors, (43077), 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) [2020-11-12 03:18:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27549 states to 27549 states and 43077 transitions. [2020-11-12 03:18:26,990 INFO L78 Accepts]: Start accepts. Automaton has 27549 states and 43077 transitions. Word has length 312 [2020-11-12 03:18:26,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:18:26,991 INFO L481 AbstractCegarLoop]: Abstraction has 27549 states and 43077 transitions. [2020-11-12 03:18:26,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 9.0) internal successors, (351), 39 states have internal predecessors, (351), 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) [2020-11-12 03:18:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 27549 states and 43077 transitions. [2020-11-12 03:18:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-11-12 03:18:27,013 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:18:27,014 INFO L494 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:18:27,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2020-11-12 03:18:27,215 INFO L429 AbstractCegarLoop]: === Iteration 34 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:18:27,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:18:27,216 INFO L82 PathProgramCache]: Analyzing trace with hash -541053325, now seen corresponding path program 3 times [2020-11-12 03:18:27,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:18:27,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658785762] [2020-11-12 03:18:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:18:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:18:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 0 proven. 1242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:18:28,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658785762] [2020-11-12 03:18:28,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78929964] [2020-11-12 03:18:28,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:18:28,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-11-12 03:18:28,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-12 03:18:28,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 83 conjunts are in the unsatisfiable core [2020-11-12 03:18:28,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-12 03:18:28,789 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-12 03:18:28,789 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:28,791 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:28,792 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:28,792 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-12 03:18:28,850 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:28,850 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-12 03:18:28,851 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:28,872 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-11-12 03:18:28,872 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:28,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2020-11-12 03:18:28,967 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:28,967 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-11-12 03:18:28,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-12 03:18:28,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-12 03:18:28,971 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,013 INFO L625 ElimStorePlain]: treesize reduction 28, result has 50.0 percent of original size [2020-11-12 03:18:29,013 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,014 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:28 [2020-11-12 03:18:29,097 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,097 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-11-12 03:18:29,098 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,112 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,113 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:25 [2020-11-12 03:18:29,308 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-12 03:18:29,308 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,332 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,333 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,333 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-11-12 03:18:29,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:29,422 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-11-12 03:18:29,423 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,451 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,451 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,451 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:49 [2020-11-12 03:18:29,575 INFO L348 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2020-11-12 03:18:29,575 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2020-11-12 03:18:29,576 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,600 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,600 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,600 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2020-11-12 03:18:29,795 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-12 03:18:29,795 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,824 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,824 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2020-11-12 03:18:29,930 INFO L348 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2020-11-12 03:18:29,931 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2020-11-12 03:18:29,931 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:29,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:29,964 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:29,964 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:70, output treesize:66 [2020-11-12 03:18:30,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,433 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2020-11-12 03:18:30,434 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:30,471 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:30,474 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:30,474 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:76, output treesize:72 [2020-11-12 03:18:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,749 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:18:30,808 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:30,808 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 161 [2020-11-12 03:18:30,809 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:30,940 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-11-12 03:18:30,941 INFO L625 ElimStorePlain]: treesize reduction 90, result has 48.9 percent of original size [2020-11-12 03:18:30,944 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:30,944 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:96, output treesize:72 [2020-11-12 03:18:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:30,979 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-12 03:18:30,981 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 59 [2020-11-12 03:18:30,983 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:31,022 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:31,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:31,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:87, output treesize:63 [2020-11-12 03:18:31,230 INFO L348 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2020-11-12 03:18:31,231 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 47 [2020-11-12 03:18:31,232 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:31,261 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:31,264 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:31,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:72, output treesize:48 [2020-11-12 03:18:31,410 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2020-11-12 03:18:31,411 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:31,438 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:31,442 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:31,442 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:59, output treesize:48 [2020-11-12 03:18:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:32,212 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:32,212 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 100 [2020-11-12 03:18:32,216 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-11-12 03:18:32,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-12 03:18:32,218 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:32,347 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-11-12 03:18:32,348 INFO L625 ElimStorePlain]: treesize reduction 78, result has 58.1 percent of original size [2020-11-12 03:18:32,353 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:32,353 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:75, output treesize:70 [2020-11-12 03:18:32,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-12 03:18:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:32,962 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2020-11-12 03:18:32,962 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-12 03:18:32,978 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2020-11-12 03:18:32,978 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:33,083 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-11-12 03:18:33,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:33,087 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-11-12 03:18:33,087 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:145, output treesize:115 [2020-11-12 03:18:33,682 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-11-12 03:18:33,683 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-12 03:18:33,930 INFO L348 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2020-11-12 03:18:33,931 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 48 [2020-11-12 03:18:33,932 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:33,961 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:33,965 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:33,965 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:73, output treesize:48 [2020-11-12 03:18:34,137 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2020-11-12 03:18:34,138 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:34,165 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:34,169 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:34,169 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:64, output treesize:36 [2020-11-12 03:18:35,213 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-12 03:18:35,213 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2020-11-12 03:18:35,214 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:35,234 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:35,237 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-12 03:18:35,237 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:51, output treesize:36 [2020-11-12 03:18:35,269 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-11-12 03:18:35,271 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-12 03:18:35,282 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-12 03:18:35,283 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-12 03:18:35,284 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:45, output treesize:3 [2020-11-12 03:18:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2020-11-12 03:18:36,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-12 03:18:36,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 32] total 69 [2020-11-12 03:18:36,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830291101] [2020-11-12 03:18:36,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-11-12 03:18:36,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:18:36,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-11-12 03:18:36,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=4180, Unknown=0, NotChecked=0, Total=4692 [2020-11-12 03:18:36,590 INFO L87 Difference]: Start difference. First operand 27549 states and 43077 transitions. Second operand has 69 states, 69 states have (on average 6.971014492753623) internal successors, (481), 69 states have internal predecessors, (481), 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) [2020-11-12 03:18:38,031 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-12 03:18:38,336 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-12 03:18:38,610 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2020-11-12 03:18:40,971 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-12 03:18:41,303 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-11-12 03:18:41,611 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-12 03:18:41,923 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2020-11-12 03:18:42,250 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-11-12 03:18:42,673 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2020-11-12 03:18:43,074 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2020-11-12 03:18:43,540 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-12 03:18:43,982 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2020-11-12 03:18:44,463 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-12 03:18:44,924 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-11-12 03:18:45,481 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-11-12 03:18:46,044 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:18:46,447 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:18:46,733 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-11-12 03:18:46,972 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:18:47,436 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-11-12 03:18:48,011 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:18:48,367 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:18:48,640 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:18:48,900 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:18:49,375 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-11-12 03:18:49,686 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-11-12 03:18:50,106 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2020-11-12 03:18:50,546 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:18:50,901 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2020-11-12 03:18:51,134 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:18:51,421 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:18:51,708 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-11-12 03:18:51,920 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:18:52,409 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-11-12 03:18:52,654 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:18:53,038 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2020-11-12 03:18:53,508 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:18:53,817 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2020-11-12 03:18:54,058 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:18:54,360 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:18:54,627 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-11-12 03:18:54,847 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:18:55,152 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-12 03:18:55,460 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:18:55,708 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:18:56,006 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-12 03:18:56,292 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:18:56,785 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:18:57,112 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:18:57,363 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:18:57,650 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:18:57,918 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:18:58,154 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:18:58,492 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-12 03:18:58,811 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:18:59,062 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:18:59,365 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:18:59,655 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:00,170 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:00,497 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:00,723 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:00,980 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:01,356 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:01,554 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-11-12 03:19:01,818 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:02,059 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:02,323 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:19:02,729 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:03,053 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-11-12 03:19:03,308 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:03,635 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:03,928 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2020-11-12 03:19:04,457 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:04,797 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:05,024 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:05,291 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:05,592 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:05,805 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:06,101 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:06,357 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:06,640 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:07,101 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:07,435 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:07,691 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:08,061 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:08,366 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:08,921 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:09,315 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:09,554 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:09,831 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:10,137 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:10,368 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:10,669 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:10,928 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:11,229 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:11,688 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:12,025 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:12,289 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:12,754 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:13,063 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:13,636 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:14,007 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:14,250 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:14,530 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:14,845 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:15,090 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:15,417 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:15,689 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:15,985 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:16,475 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:16,814 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:17,086 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:17,475 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:17,793 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:18,390 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:18,778 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:19,027 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:19,324 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:19,649 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:19,904 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:20,240 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:20,515 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:20,816 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:21,329 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:21,681 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:21,964 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:22,376 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:22,708 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:23,333 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:23,732 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:24,097 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:24,401 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:24,731 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:25,001 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:25,352 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:25,640 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:25,945 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:26,487 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:26,842 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:27,125 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:27,545 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:27,870 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:28,527 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:28,941 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:29,207 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:29,514 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:29,864 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:30,148 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:30,525 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:30,836 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:31,157 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:31,727 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:32,081 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:32,371 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:32,830 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:33,170 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:33,849 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:34,288 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:34,567 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:34,906 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:35,259 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:35,699 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:36,116 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:36,453 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:36,802 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:37,407 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:37,786 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:38,075 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:38,534 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:38,882 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:39,583 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:40,062 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:40,351 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:40,682 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:41,055 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:41,371 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:41,775 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:42,089 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:42,418 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:43,031 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:43,409 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:43,711 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:44,203 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:44,554 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:45,308 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:45,784 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:46,081 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:46,445 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:46,849 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:47,197 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:47,764 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:48,093 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:48,435 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:49,089 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:49,478 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:49,788 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:50,284 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:50,651 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:51,458 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:51,960 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:52,273 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:52,649 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:53,054 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:53,414 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:53,855 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:19:54,217 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:54,590 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:55,311 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:19:55,727 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:19:56,063 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:19:56,611 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:19:56,974 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:19:57,774 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:19:58,303 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:19:58,623 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:19:59,008 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:19:59,415 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:19:59,794 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:00,389 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:00,761 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:01,147 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:01,837 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:20:02,230 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:20:02,544 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:20:03,080 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:20:03,442 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:20:04,279 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:04,829 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:05,159 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:20:05,547 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-11-12 03:20:05,963 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-12 03:20:06,360 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:06,828 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:07,205 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:07,592 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:08,189 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:20:08,626 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:20:08,976 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:20:09,387 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:20:09,796 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:20:10,667 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:11,009 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:20:11,465 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:11,939 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:12,343 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:12,818 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:13,432 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:20:13,889 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:20:14,248 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-12 03:20:14,672 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:20:15,082 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:20:15,982 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:16,331 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:20:16,785 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:17,291 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:17,689 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:18,334 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:20:18,807 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-11-12 03:20:19,240 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:20:19,674 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2020-11-12 03:20:20,064 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:20,400 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-12 03:20:20,820 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:21,300 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:21,653 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:22,254 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-12 03:20:22,662 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-12 03:20:23,031 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:23,479 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:23,901 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:24,537 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-12 03:20:24,967 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-12 03:20:25,444 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-12 03:20:25,908 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-12 03:20:26,492 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-12 03:20:26,854 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-11-12 03:20:27,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:20:27,686 INFO L93 Difference]: Finished difference Result 55273 states and 86585 transitions. [2020-11-12 03:20:27,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2020-11-12 03:20:27,687 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 6.971014492753623) internal successors, (481), 69 states have internal predecessors, (481), 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 320 [2020-11-12 03:20:27,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:20:27,728 INFO L225 Difference]: With dead ends: 55273 [2020-11-12 03:20:27,728 INFO L226 Difference]: Without dead ends: 55273 [2020-11-12 03:20:27,739 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 586 SyntacticMatches, 44 SemanticMatches, 425 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81543 ImplicationChecksByTransitivity, 104.0s TimeCoverageRelationStatistics Valid=28202, Invalid=153700, Unknown=0, NotChecked=0, Total=181902 [2020-11-12 03:20:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55273 states. [2020-11-12 03:20:28,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55273 to 54291. [2020-11-12 03:20:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54291 states, 54289 states have (on average 1.5666341247766582) internal successors, (85051), 54290 states have internal predecessors, (85051), 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) [2020-11-12 03:20:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54291 states to 54291 states and 85051 transitions. [2020-11-12 03:20:28,374 INFO L78 Accepts]: Start accepts. Automaton has 54291 states and 85051 transitions. Word has length 320 [2020-11-12 03:20:28,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:20:28,374 INFO L481 AbstractCegarLoop]: Abstraction has 54291 states and 85051 transitions. [2020-11-12 03:20:28,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 6.971014492753623) internal successors, (481), 69 states have internal predecessors, (481), 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) [2020-11-12 03:20:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 54291 states and 85051 transitions. [2020-11-12 03:20:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-11-12 03:20:28,422 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:20:28,422 INFO L494 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:20:28,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-12 03:20:28,623 INFO L429 AbstractCegarLoop]: === Iteration 35 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:20:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:20:28,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1827345105, now seen corresponding path program 4 times [2020-11-12 03:20:28,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:20:28,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311448019] [2020-11-12 03:20:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:20:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-11-12 03:29:03,342 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,380 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,395 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,402 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,406 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,410 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,421 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,426 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,431 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,437 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,440 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,443 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,446 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,449 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,457 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,459 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,462 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,464 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,466 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,469 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,471 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,476 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,479 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,481 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,484 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,486 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,489 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,491 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,494 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,507 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,509 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,518 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,520 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,523 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,526 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,529 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,532 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,535 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,539 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,542 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,545 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,548 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,551 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,554 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,557 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,560 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,563 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,566 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,569 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,576 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,578 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,581 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,584 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,587 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,590 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,592 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,595 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,597 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,600 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,603 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,605 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,608 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,611 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,613 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,615 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,617 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,619 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,622 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,625 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,628 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,631 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,634 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,636 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,639 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,642 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,645 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,647 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,650 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,652 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,655 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,657 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,660 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,663 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,665 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,672 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,675 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,677 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,680 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,682 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,750 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,756 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,760 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,764 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,784 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,787 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,876 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,876 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,877 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,877 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,878 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,878 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,879 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,879 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,884 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,884 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,884 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-11-12 03:29:03,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-11-12 03:29:03,888 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-12 03:29:03,894 WARN L250 ceAbstractionStarter]: Timeout [2020-11-12 03:29:03,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 03:29:03 BasicIcfg [2020-11-12 03:29:03,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 03:29:03,896 INFO L168 Benchmark]: Toolchain (without parser) took 782359.69 ms. Allocated memory was 302.0 MB in the beginning and 5.8 GB in the end (delta: 5.5 GB). Free memory was 275.7 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.0 GB. [2020-11-12 03:29:03,896 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 03:29:03,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 954.80 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 257.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:03,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.50 ms. Allocated memory is still 302.0 MB. Free memory was 257.1 MB in the beginning and 254.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:03,897 INFO L168 Benchmark]: Boogie Preprocessor took 50.04 ms. Allocated memory is still 302.0 MB. Free memory was 254.0 MB in the beginning and 251.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:03,897 INFO L168 Benchmark]: RCFGBuilder took 783.82 ms. Allocated memory is still 302.0 MB. Free memory was 251.9 MB in the beginning and 203.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:03,897 INFO L168 Benchmark]: TraceAbstraction took 780449.64 ms. Allocated memory was 302.0 MB in the beginning and 5.8 GB in the end (delta: 5.5 GB). Free memory was 203.6 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 3.7 GB. Max. memory is 16.0 GB. [2020-11-12 03:29:03,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 954.80 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 257.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 108.50 ms. Allocated memory is still 302.0 MB. Free memory was 257.1 MB in the beginning and 254.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 50.04 ms. Allocated memory is still 302.0 MB. Free memory was 254.0 MB in the beginning and 251.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 783.82 ms. Allocated memory is still 302.0 MB. Free memory was 251.9 MB in the beginning and 203.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 780449.64 ms. Allocated memory was 302.0 MB in the beginning and 5.8 GB in the end (delta: 5.5 GB). Free memory was 203.6 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 3.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 329 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 327 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 329 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 327 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 329 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 327 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 780.1s, OverallIterations: 35, TraceHistogramMax: 19, AutomataDifference: 196.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 8634 SDtfs, 76050 SDslu, 72112 SDs, 0 SdLazy, 17293 SolverSat, 1968 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 41.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7822 GetRequests, 6063 SyntacticMatches, 52 SemanticMatches, 1707 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96474 ImplicationChecksByTransitivity, 168.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54291occurred in iteration=34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 34 MinimizatonAttempts, 61843 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 40.6s InterpolantComputationTime, 12364 NumberOfCodeBlocks, 12028 NumberOfCodeBlocksAsserted, 134 NumberOfCheckSat, 12308 ConstructedInterpolants, 529 QuantifiedInterpolants, 15140409 SizeOfPredicates, 534 NumberOfNonLiveVariables, 10870 ConjunctsInSsa, 690 ConjunctsInUnsatCore, 56 InterpolantComputations, 16 PerfectInterpolantSequences, 3801/21102 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 could not prove your program: Timeout Completed graceful shutdown