/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 22:57:26,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 22:57:26,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 22:57:26,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 22:57:26,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 22:57:26,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 22:57:26,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 22:57:26,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 22:57:26,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 22:57:26,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 22:57:26,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 22:57:26,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 22:57:26,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 22:57:26,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 22:57:26,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 22:57:26,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 22:57:26,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 22:57:26,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 22:57:26,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 22:57:26,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 22:57:26,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 22:57:26,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 22:57:26,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 22:57:26,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 22:57:26,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 22:57:26,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 22:57:26,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 22:57:26,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 22:57:26,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 22:57:26,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 22:57:26,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 22:57:26,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 22:57:26,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 22:57:26,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 22:57:26,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 22:57:26,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 22:57:26,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 22:57:26,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 22:57:26,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 22:57:26,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 22:57:26,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 22:57:26,109 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-VariableLbe.epf [2020-04-17 22:57:26,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 22:57:26,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 22:57:26,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 22:57:26,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 22:57:26,125 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 22:57:26,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 22:57:26,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 22:57:26,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 22:57:26,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 22:57:26,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 22:57:26,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 22:57:26,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 22:57:26,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 22:57:26,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 22:57:26,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 22:57:26,127 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 22:57:26,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 22:57:26,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 22:57:26,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 22:57:26,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 22:57:26,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 22:57:26,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 22:57:26,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 22:57:26,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 22:57:26,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 22:57:26,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 22:57:26,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 22:57:26,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-17 22:57:26,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 22:57:26,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 22:57:26,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 22:57:26,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 22:57:26,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 22:57:26,426 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 22:57:26,426 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 22:57:26,427 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-04-17 22:57:26,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee3c986e/2fce563b99204c82ba6fc8db9151a4b4/FLAG660e61357 [2020-04-17 22:57:27,047 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 22:57:27,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-04-17 22:57:27,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee3c986e/2fce563b99204c82ba6fc8db9151a4b4/FLAG660e61357 [2020-04-17 22:57:27,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee3c986e/2fce563b99204c82ba6fc8db9151a4b4 [2020-04-17 22:57:27,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 22:57:27,391 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 22:57:27,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 22:57:27,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 22:57:27,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 22:57:27,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:57:27" (1/1) ... [2020-04-17 22:57:27,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cd4309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:27, skipping insertion in model container [2020-04-17 22:57:27,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:57:27" (1/1) ... [2020-04-17 22:57:27,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 22:57:27,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 22:57:28,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:57:28,050 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 22:57:28,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:57:28,268 INFO L208 MainTranslator]: Completed translation [2020-04-17 22:57:28,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28 WrapperNode [2020-04-17 22:57:28,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 22:57:28,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 22:57:28,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 22:57:28,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 22:57:28,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 22:57:28,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 22:57:28,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 22:57:28,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 22:57:28,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (1/1) ... [2020-04-17 22:57:28,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 22:57:28,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 22:57:28,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 22:57:28,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 22:57:28,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (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 [2020-04-17 22:57:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-04-17 22:57:28,503 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-04-17 22:57:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-04-17 22:57:28,503 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-04-17 22:57:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 22:57:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 22:57:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 22:57:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 22:57:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 22:57:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 22:57:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 22:57:28,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 22:57:28,506 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 22:57:29,115 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 22:57:29,116 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-04-17 22:57:29,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:57:29 BoogieIcfgContainer [2020-04-17 22:57:29,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 22:57:29,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 22:57:29,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 22:57:29,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 22:57:29,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:57:27" (1/3) ... [2020-04-17 22:57:29,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a37fcbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:57:29, skipping insertion in model container [2020-04-17 22:57:29,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:57:28" (2/3) ... [2020-04-17 22:57:29,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a37fcbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:57:29, skipping insertion in model container [2020-04-17 22:57:29,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:57:29" (3/3) ... [2020-04-17 22:57:29,133 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2020-04-17 22:57:29,143 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 22:57:29,143 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 22:57:29,151 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-17 22:57:29,152 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 22:57:29,200 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,201 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,201 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,202 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,202 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,203 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,203 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,203 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,203 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,204 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,204 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,204 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,204 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,204 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,205 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,205 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,205 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,205 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,205 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,206 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,206 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,206 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,206 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,207 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,207 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,207 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,207 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,207 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,207 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,208 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,208 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,208 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,208 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,208 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,209 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,209 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,209 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,209 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,209 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,209 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,210 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,210 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,210 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,210 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,210 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,211 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,211 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,211 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,211 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,211 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,212 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,212 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,212 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,212 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,212 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,213 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,213 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,213 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,213 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,213 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,214 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,214 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,214 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,214 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,214 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,215 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,215 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,215 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,215 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,215 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,216 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,216 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,216 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,216 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,216 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,217 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,217 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,217 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,217 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,217 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,217 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,218 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,218 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,218 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,218 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,219 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,220 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,220 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,220 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,220 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,220 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,221 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,221 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,221 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,221 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,222 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,222 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,222 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,222 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,222 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,223 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,223 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,223 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,223 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,223 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,224 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,224 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,224 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,224 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,224 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,225 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,225 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,225 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,225 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,225 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,225 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,226 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,226 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,226 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,226 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,226 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,227 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,227 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,227 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,227 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,227 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,227 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,228 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,228 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,228 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,228 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,228 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,229 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,229 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,229 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,229 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,229 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,229 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,230 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,230 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,230 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,230 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,230 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,231 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,232 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,232 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,232 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,232 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,232 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,232 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,233 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,233 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,233 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,233 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,233 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,234 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,234 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,234 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,234 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,234 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,235 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,235 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,235 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,235 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,235 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,236 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,236 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,236 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,236 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,236 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,236 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,237 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,237 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,237 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,237 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,237 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,238 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,238 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,238 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,238 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,238 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,239 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,239 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,239 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,239 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,239 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,239 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,240 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,240 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,240 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,240 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,240 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,240 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,241 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,241 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,241 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,241 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,241 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,242 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,242 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,242 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,242 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,242 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,243 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,243 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,243 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,246 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,247 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,247 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,247 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,247 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,248 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,248 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,248 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,248 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,248 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,248 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,249 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,249 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,249 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,249 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,249 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,250 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,250 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,250 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,250 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,250 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,251 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,251 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,256 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,256 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,256 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,257 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,257 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,257 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,257 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,257 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,258 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,258 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,258 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,258 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,258 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,258 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,259 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,259 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,259 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,259 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,259 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,260 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,260 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,260 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,260 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,260 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,260 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,261 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,261 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,261 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,261 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,261 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,262 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:57:29,282 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-17 22:57:29,302 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 22:57:29,302 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 22:57:29,302 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 22:57:29,302 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 22:57:29,302 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 22:57:29,303 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 22:57:29,303 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 22:57:29,303 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 22:57:29,320 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-04-17 22:57:29,322 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-04-17 22:57:29,401 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-04-17 22:57:29,401 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 22:57:29,410 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-04-17 22:57:29,420 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-04-17 22:57:29,461 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-04-17 22:57:29,462 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 22:57:29,466 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-04-17 22:57:29,477 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9440 [2020-04-17 22:57:29,479 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-17 22:57:32,642 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-04-17 22:57:33,018 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-04-17 22:57:33,122 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-04-17 22:57:33,642 WARN L192 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-04-17 22:57:33,759 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-04-17 22:57:34,726 WARN L192 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 149 [2020-04-17 22:57:35,113 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-04-17 22:57:35,140 INFO L206 etLargeBlockEncoding]: Checked pairs total: 18406 [2020-04-17 22:57:35,140 INFO L214 etLargeBlockEncoding]: Total number of compositions: 174 [2020-04-17 22:57:35,144 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-04-17 22:57:35,188 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-04-17 22:57:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-04-17 22:57:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-17 22:57:35,196 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:35,197 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-17 22:57:35,197 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:35,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:35,203 INFO L82 PathProgramCache]: Analyzing trace with hash 805, now seen corresponding path program 1 times [2020-04-17 22:57:35,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:35,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69971319] [2020-04-17 22:57:35,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:35,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69971319] [2020-04-17 22:57:35,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:57:35,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-17 22:57:35,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070148929] [2020-04-17 22:57:35,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 22:57:35,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:35,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 22:57:35,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 22:57:35,368 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-04-17 22:57:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:35,415 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-04-17 22:57:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 22:57:35,416 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-17 22:57:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:35,440 INFO L225 Difference]: With dead ends: 715 [2020-04-17 22:57:35,440 INFO L226 Difference]: Without dead ends: 524 [2020-04-17 22:57:35,442 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 22:57:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-04-17 22:57:35,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-04-17 22:57:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-04-17 22:57:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-04-17 22:57:35,529 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-04-17 22:57:35,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:35,529 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-04-17 22:57:35,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 22:57:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-04-17 22:57:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 22:57:35,534 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:35,534 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:35,535 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:35,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:35,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1723444997, now seen corresponding path program 1 times [2020-04-17 22:57:35,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:35,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94924124] [2020-04-17 22:57:35,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:35,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94924124] [2020-04-17 22:57:35,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:57:35,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:57:35,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681514993] [2020-04-17 22:57:35,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:57:35,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:35,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:57:35,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:57:35,767 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-04-17 22:57:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:35,777 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-04-17 22:57:35,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:57:35,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-04-17 22:57:35,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:35,779 INFO L225 Difference]: With dead ends: 236 [2020-04-17 22:57:35,779 INFO L226 Difference]: Without dead ends: 212 [2020-04-17 22:57:35,780 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:57:35,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-04-17 22:57:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-04-17 22:57:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-04-17 22:57:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-04-17 22:57:35,789 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-04-17 22:57:35,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:35,789 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-04-17 22:57:35,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:57:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-04-17 22:57:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-04-17 22:57:35,792 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:35,792 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:35,792 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:35,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:35,793 INFO L82 PathProgramCache]: Analyzing trace with hash -934045596, now seen corresponding path program 1 times [2020-04-17 22:57:35,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:35,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937958216] [2020-04-17 22:57:35,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:35,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937958216] [2020-04-17 22:57:35,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:57:35,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:57:35,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158414256] [2020-04-17 22:57:35,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:57:35,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:35,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:57:35,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:57:35,847 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-04-17 22:57:35,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:35,878 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-04-17 22:57:35,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:57:35,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-04-17 22:57:35,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:35,880 INFO L225 Difference]: With dead ends: 272 [2020-04-17 22:57:35,880 INFO L226 Difference]: Without dead ends: 272 [2020-04-17 22:57:35,881 INFO L678 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 [2020-04-17 22:57:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-04-17 22:57:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-04-17 22:57:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-04-17 22:57:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-04-17 22:57:35,894 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-04-17 22:57:35,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:35,894 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-04-17 22:57:35,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:57:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-04-17 22:57:35,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-04-17 22:57:35,899 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:35,899 INFO L425 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] [2020-04-17 22:57:35,899 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:35,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:35,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1942532503, now seen corresponding path program 1 times [2020-04-17 22:57:35,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:35,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971435335] [2020-04-17 22:57:35,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:36,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971435335] [2020-04-17 22:57:36,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624264425] [2020-04-17 22:57:36,004 INFO L94 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 [2020-04-17 22:57:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:36,127 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-04-17 22:57:36,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:36,173 INFO L377 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 [2020-04-17 22:57:36,174 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:36,189 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:36,189 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:36,190 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-04-17 22:57:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-17 22:57:36,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-04-17 22:57:36,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-04-17 22:57:36,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957523882] [2020-04-17 22:57:36,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:57:36,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:36,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:57:36,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:57:36,204 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-04-17 22:57:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:36,218 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-04-17 22:57:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:57:36,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-04-17 22:57:36,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:36,220 INFO L225 Difference]: With dead ends: 166 [2020-04-17 22:57:36,220 INFO L226 Difference]: Without dead ends: 164 [2020-04-17 22:57:36,221 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:57:36,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-04-17 22:57:36,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-04-17 22:57:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-04-17 22:57:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-04-17 22:57:36,226 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-04-17 22:57:36,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:36,227 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-04-17 22:57:36,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:57:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-04-17 22:57:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-17 22:57:36,228 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:36,228 INFO L425 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] [2020-04-17 22:57:36,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:36,434 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:36,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:36,435 INFO L82 PathProgramCache]: Analyzing trace with hash 725656941, now seen corresponding path program 1 times [2020-04-17 22:57:36,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:36,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714415037] [2020-04-17 22:57:36,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:36,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714415037] [2020-04-17 22:57:36,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809417100] [2020-04-17 22:57:36,498 INFO L94 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 [2020-04-17 22:57:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:36,595 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-04-17 22:57:36,596 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:36,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:36,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-04-17 22:57:36,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64058720] [2020-04-17 22:57:36,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 22:57:36,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:36,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 22:57:36,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:57:36,615 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-04-17 22:57:36,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:36,646 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-04-17 22:57:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 22:57:36,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-04-17 22:57:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:36,650 INFO L225 Difference]: With dead ends: 240 [2020-04-17 22:57:36,650 INFO L226 Difference]: Without dead ends: 240 [2020-04-17 22:57:36,651 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:57:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-04-17 22:57:36,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-04-17 22:57:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-04-17 22:57:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-04-17 22:57:36,657 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-04-17 22:57:36,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:36,658 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-04-17 22:57:36,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 22:57:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-04-17 22:57:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-04-17 22:57:36,659 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:36,659 INFO L425 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] [2020-04-17 22:57:36,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:36,870 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:36,871 INFO L82 PathProgramCache]: Analyzing trace with hash -396065166, now seen corresponding path program 2 times [2020-04-17 22:57:36,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:36,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057222528] [2020-04-17 22:57:36,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:36,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057222528] [2020-04-17 22:57:36,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942953963] [2020-04-17 22:57:36,980 INFO L92 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 [2020-04-17 22:57:37,135 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 22:57:37,135 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:37,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-04-17 22:57:37,142 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:37,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:37,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-04-17 22:57:37,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197371563] [2020-04-17 22:57:37,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-17 22:57:37,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-17 22:57:37,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-04-17 22:57:37,162 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-04-17 22:57:37,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:37,204 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-04-17 22:57:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 22:57:37,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-04-17 22:57:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:37,207 INFO L225 Difference]: With dead ends: 280 [2020-04-17 22:57:37,207 INFO L226 Difference]: Without dead ends: 280 [2020-04-17 22:57:37,207 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-04-17 22:57:37,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-04-17 22:57:37,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-04-17 22:57:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-04-17 22:57:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-04-17 22:57:37,217 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-04-17 22:57:37,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:37,218 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-04-17 22:57:37,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-17 22:57:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-04-17 22:57:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-04-17 22:57:37,222 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:37,222 INFO L425 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:37,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:37,427 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:37,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:37,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1648925235, now seen corresponding path program 3 times [2020-04-17 22:57:37,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:37,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811653960] [2020-04-17 22:57:37,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:37,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811653960] [2020-04-17 22:57:37,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822692507] [2020-04-17 22:57:37,532 INFO L92 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 [2020-04-17 22:57:37,993 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-04-17 22:57:37,993 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:37,995 INFO L264 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-04-17 22:57:37,997 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:38,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:38,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-04-17 22:57:38,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879383608] [2020-04-17 22:57:38,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 22:57:38,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:38,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 22:57:38,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-04-17 22:57:38,021 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-04-17 22:57:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:38,071 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-04-17 22:57:38,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-17 22:57:38,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-04-17 22:57:38,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:38,073 INFO L225 Difference]: With dead ends: 320 [2020-04-17 22:57:38,074 INFO L226 Difference]: Without dead ends: 320 [2020-04-17 22:57:38,074 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-04-17 22:57:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-04-17 22:57:38,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-04-17 22:57:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-04-17 22:57:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-04-17 22:57:38,082 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-04-17 22:57:38,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:38,083 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-04-17 22:57:38,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 22:57:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-04-17 22:57:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-04-17 22:57:38,084 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:38,084 INFO L425 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:38,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:38,289 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:38,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:38,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1153000942, now seen corresponding path program 4 times [2020-04-17 22:57:38,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:38,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328089698] [2020-04-17 22:57:38,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:38,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328089698] [2020-04-17 22:57:38,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520843344] [2020-04-17 22:57:38,400 INFO L92 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 [2020-04-17 22:57:38,544 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-04-17 22:57:38,544 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:38,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-04-17 22:57:38,548 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:38,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:38,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-04-17 22:57:38,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123053657] [2020-04-17 22:57:38,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-04-17 22:57:38,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:38,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-04-17 22:57:38,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-04-17 22:57:38,565 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-04-17 22:57:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:38,625 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-04-17 22:57:38,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-17 22:57:38,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-04-17 22:57:38,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:38,628 INFO L225 Difference]: With dead ends: 360 [2020-04-17 22:57:38,628 INFO L226 Difference]: Without dead ends: 360 [2020-04-17 22:57:38,628 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-04-17 22:57:38,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-04-17 22:57:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-04-17 22:57:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-04-17 22:57:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-04-17 22:57:38,637 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-04-17 22:57:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:38,638 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-04-17 22:57:38,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-04-17 22:57:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-04-17 22:57:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-04-17 22:57:38,639 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:38,639 INFO L425 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:38,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:38,852 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:38,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:38,853 INFO L82 PathProgramCache]: Analyzing trace with hash -878313939, now seen corresponding path program 5 times [2020-04-17 22:57:38,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:38,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029649096] [2020-04-17 22:57:38,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:38,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029649096] [2020-04-17 22:57:38,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567450183] [2020-04-17 22:57:38,983 INFO L92 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 [2020-04-17 22:57:39,119 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-04-17 22:57:39,119 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:39,122 INFO L264 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 47 conjunts are in the unsatisfiable core [2020-04-17 22:57:39,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:39,173 INFO L377 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-04-17 22:57:39,174 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,176 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,176 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,176 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-04-17 22:57:39,208 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,208 INFO L377 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 62 [2020-04-17 22:57:39,209 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,249 INFO L619 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-04-17 22:57:39,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:39,256 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:39,256 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:34 [2020-04-17 22:57:39,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:39,333 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:39,335 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:39,352 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,353 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:57:39,354 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,378 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,379 INFO L377 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 54 [2020-04-17 22:57:39,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:39,380 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,496 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-04-17 22:57:39,497 INFO L619 ElimStorePlain]: treesize reduction 49, result has 65.2 percent of original size [2020-04-17 22:57:39,499 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:39,500 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:48 [2020-04-17 22:57:39,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:39,563 INFO L377 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 15 treesize of output 11 [2020-04-17 22:57:39,564 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:39,573 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:39,573 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,601 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,602 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:39,603 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 22:57:39,669 INFO L377 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-04-17 22:57:39,670 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,679 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,679 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,680 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-04-17 22:57:39,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:39,727 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:39,727 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,737 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,738 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 22:57:39,739 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:19 [2020-04-17 22:57:39,801 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,802 INFO L377 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 [2020-04-17 22:57:39,803 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,820 INFO L619 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-04-17 22:57:39,821 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,821 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-04-17 22:57:39,863 INFO L343 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-04-17 22:57:39,864 INFO L377 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 [2020-04-17 22:57:39,864 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,870 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:39,871 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:39,871 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-04-17 22:57:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-04-17 22:57:39,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:39,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2020-04-17 22:57:39,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998645811] [2020-04-17 22:57:39,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-04-17 22:57:39,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:39,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-04-17 22:57:39,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-04-17 22:57:39,888 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 18 states. [2020-04-17 22:57:42,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:42,885 INFO L93 Difference]: Finished difference Result 1011 states and 1922 transitions. [2020-04-17 22:57:42,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-04-17 22:57:42,886 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2020-04-17 22:57:42,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:42,892 INFO L225 Difference]: With dead ends: 1011 [2020-04-17 22:57:42,892 INFO L226 Difference]: Without dead ends: 1011 [2020-04-17 22:57:42,894 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=843, Invalid=3063, Unknown=0, NotChecked=0, Total=3906 [2020-04-17 22:57:42,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-04-17 22:57:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 640. [2020-04-17 22:57:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-04-17 22:57:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-04-17 22:57:42,927 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-04-17 22:57:42,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:42,928 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-04-17 22:57:42,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-04-17 22:57:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-04-17 22:57:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-04-17 22:57:42,930 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:42,930 INFO L425 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:43,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:43,134 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:43,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:43,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1464768238, now seen corresponding path program 1 times [2020-04-17 22:57:43,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:43,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895060579] [2020-04-17 22:57:43,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:43,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895060579] [2020-04-17 22:57:43,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948980793] [2020-04-17 22:57:43,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-04-17 22:57:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:43,366 INFO L264 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-04-17 22:57:43,369 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:43,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:43,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-04-17 22:57:43,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25667954] [2020-04-17 22:57:43,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-04-17 22:57:43,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:43,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-04-17 22:57:43,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-04-17 22:57:43,385 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-04-17 22:57:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:43,457 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-04-17 22:57:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-04-17 22:57:43,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-04-17 22:57:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:43,462 INFO L225 Difference]: With dead ends: 828 [2020-04-17 22:57:43,462 INFO L226 Difference]: Without dead ends: 828 [2020-04-17 22:57:43,462 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-04-17 22:57:43,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-04-17 22:57:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-04-17 22:57:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-04-17 22:57:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-04-17 22:57:43,482 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-04-17 22:57:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:43,482 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-04-17 22:57:43,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-04-17 22:57:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-04-17 22:57:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-04-17 22:57:43,485 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:43,485 INFO L425 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:43,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:43,698 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:43,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:43,698 INFO L82 PathProgramCache]: Analyzing trace with hash 319080191, now seen corresponding path program 2 times [2020-04-17 22:57:43,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:43,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342613866] [2020-04-17 22:57:43,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:43,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342613866] [2020-04-17 22:57:43,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448236175] [2020-04-17 22:57:43,815 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-04-17 22:57:43,958 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 22:57:43,959 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:43,960 INFO L264 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-04-17 22:57:43,962 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:43,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:43,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-04-17 22:57:43,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132996945] [2020-04-17 22:57:43,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-17 22:57:43,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:43,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-17 22:57:43,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-04-17 22:57:43,978 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-04-17 22:57:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:44,056 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-04-17 22:57:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-17 22:57:44,057 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-04-17 22:57:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:44,062 INFO L225 Difference]: With dead ends: 928 [2020-04-17 22:57:44,062 INFO L226 Difference]: Without dead ends: 928 [2020-04-17 22:57:44,062 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-04-17 22:57:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-04-17 22:57:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-04-17 22:57:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-04-17 22:57:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-04-17 22:57:44,082 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-04-17 22:57:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:44,083 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-04-17 22:57:44,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-17 22:57:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-04-17 22:57:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-04-17 22:57:44,085 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:44,085 INFO L425 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:44,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:44,291 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:44,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:44,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1147405811, now seen corresponding path program 3 times [2020-04-17 22:57:44,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:44,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233963570] [2020-04-17 22:57:44,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:44,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233963570] [2020-04-17 22:57:44,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493539315] [2020-04-17 22:57:44,497 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2020-04-17 22:57:45,482 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-04-17 22:57:45,482 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:45,485 INFO L264 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 56 conjunts are in the unsatisfiable core [2020-04-17 22:57:45,492 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:45,499 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 197 treesize of output 181 [2020-04-17 22:57:45,501 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,547 INFO L619 ElimStorePlain]: treesize reduction 130, result has 11.6 percent of original size [2020-04-17 22:57:45,548 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,548 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-04-17 22:57:45,583 INFO L377 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 13 treesize of output 9 [2020-04-17 22:57:45,583 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,587 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,587 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,587 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-04-17 22:57:45,604 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:45,605 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,611 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,612 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,612 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-04-17 22:57:45,638 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:45,653 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,654 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:57:45,654 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,684 INFO L619 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-04-17 22:57:45,684 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,685 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-04-17 22:57:45,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:45,714 INFO L377 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 0 case distinctions, treesize of input 25 treesize of output 24 [2020-04-17 22:57:45,714 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,724 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,725 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,725 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-04-17 22:57:45,774 INFO L377 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 31 treesize of output 15 [2020-04-17 22:57:45,775 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,779 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,779 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,779 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-04-17 22:57:45,800 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:45,800 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,807 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,807 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,808 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-04-17 22:57:45,851 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:45,864 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,865 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 49 [2020-04-17 22:57:45,866 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,885 INFO L619 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-04-17 22:57:45,886 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,886 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-04-17 22:57:45,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:45,916 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:45,917 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,926 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,926 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,926 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-04-17 22:57:45,934 INFO L377 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 [2020-04-17 22:57:45,934 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,935 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:45,936 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:45,936 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-04-17 22:57:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-04-17 22:57:45,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:45,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-04-17 22:57:45,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621965057] [2020-04-17 22:57:45,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-04-17 22:57:45,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:45,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-04-17 22:57:45,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2020-04-17 22:57:45,949 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-04-17 22:57:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:48,397 INFO L93 Difference]: Finished difference Result 1276 states and 2352 transitions. [2020-04-17 22:57:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-04-17 22:57:48,397 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-04-17 22:57:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:48,403 INFO L225 Difference]: With dead ends: 1276 [2020-04-17 22:57:48,403 INFO L226 Difference]: Without dead ends: 1276 [2020-04-17 22:57:48,406 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1748 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1143, Invalid=4113, Unknown=0, NotChecked=0, Total=5256 [2020-04-17 22:57:48,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-04-17 22:57:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 888. [2020-04-17 22:57:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-04-17 22:57:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1638 transitions. [2020-04-17 22:57:48,430 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1638 transitions. Word has length 79 [2020-04-17 22:57:48,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:48,431 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1638 transitions. [2020-04-17 22:57:48,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-04-17 22:57:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1638 transitions. [2020-04-17 22:57:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-04-17 22:57:48,439 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:48,439 INFO L425 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:48,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:48,645 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:48,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:48,646 INFO L82 PathProgramCache]: Analyzing trace with hash -732971920, now seen corresponding path program 4 times [2020-04-17 22:57:48,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:48,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105808746] [2020-04-17 22:57:48,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:48,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105808746] [2020-04-17 22:57:48,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592711122] [2020-04-17 22:57:48,864 INFO L92 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 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 [2020-04-17 22:57:49,997 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-04-17 22:57:49,998 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:50,001 INFO L264 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 11 conjunts are in the unsatisfiable core [2020-04-17 22:57:50,003 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:50,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:50,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-04-17 22:57:50,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337144618] [2020-04-17 22:57:50,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-04-17 22:57:50,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:50,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-04-17 22:57:50,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-04-17 22:57:50,029 INFO L87 Difference]: Start difference. First operand 888 states and 1638 transitions. Second operand 13 states. [2020-04-17 22:57:50,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:57:50,100 INFO L93 Difference]: Finished difference Result 1060 states and 1947 transitions. [2020-04-17 22:57:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-04-17 22:57:50,100 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2020-04-17 22:57:50,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:57:50,104 INFO L225 Difference]: With dead ends: 1060 [2020-04-17 22:57:50,105 INFO L226 Difference]: Without dead ends: 1060 [2020-04-17 22:57:50,105 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-04-17 22:57:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-04-17 22:57:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 980. [2020-04-17 22:57:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-04-17 22:57:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1803 transitions. [2020-04-17 22:57:50,125 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1803 transitions. Word has length 88 [2020-04-17 22:57:50,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:57:50,126 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1803 transitions. [2020-04-17 22:57:50,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-04-17 22:57:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1803 transitions. [2020-04-17 22:57:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-04-17 22:57:50,129 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:57:50,129 INFO L425 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:57:50,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:57:50,334 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:57:50,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:57:50,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1394193362, now seen corresponding path program 5 times [2020-04-17 22:57:50,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:57:50,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184277988] [2020-04-17 22:57:50,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:57:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:57:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:57:50,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184277988] [2020-04-17 22:57:50,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301075603] [2020-04-17 22:57:50,486 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 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 [2020-04-17 22:57:54,615 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-04-17 22:57:54,615 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:57:54,626 INFO L264 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 119 conjunts are in the unsatisfiable core [2020-04-17 22:57:54,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:57:54,649 INFO L377 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 [2020-04-17 22:57:54,650 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:54,654 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:54,654 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:54,654 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-04-17 22:57:54,688 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:54,688 INFO L377 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 62 [2020-04-17 22:57:54,689 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:54,720 INFO L619 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-04-17 22:57:54,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:54,722 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:54,723 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:34 [2020-04-17 22:57:54,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:54,794 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:54,797 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:54,818 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:54,819 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:57:54,819 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:54,839 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:54,839 INFO L377 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 54 [2020-04-17 22:57:54,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:54,841 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:54,932 INFO L619 ElimStorePlain]: treesize reduction 49, result has 65.2 percent of original size [2020-04-17 22:57:54,933 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:54,933 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:48 [2020-04-17 22:57:54,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:54,983 INFO L377 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 15 treesize of output 11 [2020-04-17 22:57:54,983 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:54,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:54,993 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:54,993 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,026 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,027 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:55,027 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 22:57:55,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,091 INFO L377 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 0 case distinctions, treesize of input 34 treesize of output 18 [2020-04-17 22:57:55,091 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,097 INFO L377 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 0 case distinctions, treesize of input 25 treesize of output 15 [2020-04-17 22:57:55,097 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,115 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,116 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:55,116 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:35 [2020-04-17 22:57:55,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,175 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,176 INFO L377 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 62 [2020-04-17 22:57:55,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,177 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,186 INFO L377 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 15 treesize of output 11 [2020-04-17 22:57:55,186 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,259 INFO L619 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-04-17 22:57:55,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,261 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 22:57:55,261 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:59 [2020-04-17 22:57:55,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,351 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,351 INFO L377 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 54 [2020-04-17 22:57:55,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,352 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,364 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:55,379 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,379 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:57:55,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,380 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,510 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-04-17 22:57:55,511 INFO L619 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-04-17 22:57:55,511 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:55,512 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-04-17 22:57:55,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:55,572 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:55,573 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,578 INFO L377 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 15 treesize of output 11 [2020-04-17 22:57:55,579 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,609 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,609 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:55,610 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 22:57:55,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,744 INFO L377 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 0 case distinctions, treesize of input 41 treesize of output 19 [2020-04-17 22:57:55,745 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,781 INFO L619 ElimStorePlain]: treesize reduction 11, result has 85.7 percent of original size [2020-04-17 22:57:55,785 INFO L377 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 0 case distinctions, treesize of input 32 treesize of output 16 [2020-04-17 22:57:55,785 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,798 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,798 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:55,799 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:45 [2020-04-17 22:57:55,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:55,846 INFO L377 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 26 treesize of output 25 [2020-04-17 22:57:55,846 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,884 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:55,884 INFO L377 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 62 [2020-04-17 22:57:55,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,885 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:55,959 INFO L619 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-04-17 22:57:55,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:55,962 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 22:57:55,962 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:69 [2020-04-17 22:57:56,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:56,068 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:56,070 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:56,087 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,087 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 49 [2020-04-17 22:57:56,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:56,089 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-04-17 22:57:56,107 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,108 INFO L377 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-04-17 22:57:56,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:56,110 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-04-17 22:57:56,196 INFO L619 ElimStorePlain]: treesize reduction 117, result has 44.0 percent of original size [2020-04-17 22:57:56,196 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:56,197 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-04-17 22:57:56,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:57:56,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:56,260 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:56,261 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,270 INFO L377 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 15 treesize of output 11 [2020-04-17 22:57:56,270 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,302 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,303 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 22:57:56,304 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 22:57:56,377 INFO L377 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-04-17 22:57:56,377 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,387 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,387 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,387 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-04-17 22:57:56,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:56,428 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:56,429 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,443 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,444 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,444 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-04-17 22:57:56,527 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:56,541 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,541 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:57:56,542 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,583 INFO L619 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-04-17 22:57:56,584 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,584 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-04-17 22:57:56,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:56,653 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:56,653 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,675 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,676 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,676 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-04-17 22:57:56,747 INFO L377 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 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 22:57:56,748 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,763 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,764 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,764 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2020-04-17 22:57:56,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:56,812 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:56,812 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,826 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,827 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,827 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-04-17 22:57:56,932 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:57:56,945 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:56,945 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:57:56,946 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,998 INFO L619 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-04-17 22:57:56,998 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:56,999 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-04-17 22:57:57,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:57,065 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:57,065 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,079 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:57,079 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,080 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-04-17 22:57:57,155 INFO L377 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 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 22:57:57,156 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,166 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:57,167 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,167 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2020-04-17 22:57:57,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:57:57,229 INFO L377 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 25 treesize of output 24 [2020-04-17 22:57:57,229 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,239 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:57,240 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 22:57:57,241 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:19 [2020-04-17 22:57:57,363 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:57,363 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 34 treesize of output 99 [2020-04-17 22:57:57,364 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,387 INFO L619 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-04-17 22:57:57,387 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,388 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-04-17 22:57:57,437 INFO L343 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-04-17 22:57:57,438 INFO L377 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 [2020-04-17 22:57:57,438 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,444 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:57,444 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,444 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-04-17 22:57:57,448 INFO L377 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 [2020-04-17 22:57:57,448 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,449 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:57:57,449 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:57:57,449 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-04-17 22:57:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 213 proven. 56 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-04-17 22:57:57,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:57:57,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 32] total 43 [2020-04-17 22:57:57,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664796477] [2020-04-17 22:57:57,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-04-17 22:57:57,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:57:57,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-04-17 22:57:57,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1497, Unknown=0, NotChecked=0, Total=1806 [2020-04-17 22:57:57,523 INFO L87 Difference]: Start difference. First operand 980 states and 1803 transitions. Second operand 43 states. [2020-04-17 22:57:58,595 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:57:59,854 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:00,983 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-04-17 22:58:03,479 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-04-17 22:58:03,905 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:04,123 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-04-17 22:58:04,802 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:05,505 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-04-17 22:58:06,115 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-04-17 22:58:06,555 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 22:58:07,365 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:07,562 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-17 22:58:08,412 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:09,035 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-04-17 22:58:10,076 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 22:58:10,251 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-17 22:58:11,060 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:12,207 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:12,427 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-04-17 22:58:12,970 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:13,901 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 22:58:14,331 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 22:58:14,557 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-17 22:58:15,741 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:15,978 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-04-17 22:58:16,858 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:17,562 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 22:58:17,986 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-17 22:58:18,265 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 22:58:18,739 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:19,477 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-04-17 22:58:20,570 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 22:58:21,209 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:21,392 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 22:58:21,632 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-17 22:58:22,557 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:23,324 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-04-17 22:58:24,518 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-04-17 22:58:24,770 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-17 22:58:25,696 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 22:58:26,553 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-04-17 22:58:26,792 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2020-04-17 22:58:27,695 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-04-17 22:58:28,418 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-04-17 22:58:28,620 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-04-17 22:58:29,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:58:29,235 INFO L93 Difference]: Finished difference Result 4042 states and 7368 transitions. [2020-04-17 22:58:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2020-04-17 22:58:29,236 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 96 [2020-04-17 22:58:29,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:58:29,253 INFO L225 Difference]: With dead ends: 4042 [2020-04-17 22:58:29,253 INFO L226 Difference]: Without dead ends: 4042 [2020-04-17 22:58:29,269 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49850 ImplicationChecksByTransitivity, 28.2s TimeCoverageRelationStatistics Valid=16329, Invalid=89621, Unknown=0, NotChecked=0, Total=105950 [2020-04-17 22:58:29,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4042 states. [2020-04-17 22:58:29,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4042 to 2864. [2020-04-17 22:58:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2864 states. [2020-04-17 22:58:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5162 transitions. [2020-04-17 22:58:29,345 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5162 transitions. Word has length 96 [2020-04-17 22:58:29,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:58:29,346 INFO L479 AbstractCegarLoop]: Abstraction has 2864 states and 5162 transitions. [2020-04-17 22:58:29,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-04-17 22:58:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5162 transitions. [2020-04-17 22:58:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-04-17 22:58:29,353 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:58:29,353 INFO L425 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:58:29,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:58:29,561 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:58:29,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:58:29,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1004040336, now seen corresponding path program 6 times [2020-04-17 22:58:29,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:58:29,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178465783] [2020-04-17 22:58:29,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:58:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:58:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:58:29,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178465783] [2020-04-17 22:58:29,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10600910] [2020-04-17 22:58:29,778 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE 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 [2020-04-17 22:59:07,970 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-04-17 22:59:07,971 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:59:07,991 INFO L264 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 67 conjunts are in the unsatisfiable core [2020-04-17 22:59:07,994 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:59:08,010 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,011 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 396 treesize of output 392 [2020-04-17 22:59:08,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,017 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,167 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2020-04-17 22:59:08,168 INFO L619 ElimStorePlain]: treesize reduction 1733, result has 2.6 percent of original size [2020-04-17 22:59:08,168 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,169 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:53, output treesize:19 [2020-04-17 22:59:08,221 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2020-04-17 22:59:08,221 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,234 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,234 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,235 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2020-04-17 22:59:08,261 INFO L377 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 0 case distinctions, treesize of input 26 treesize of output 25 [2020-04-17 22:59:08,261 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,278 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,278 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,279 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:31 [2020-04-17 22:59:08,342 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:59:08,353 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,354 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:59:08,355 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,404 INFO L619 ElimStorePlain]: treesize reduction 30, result has 63.0 percent of original size [2020-04-17 22:59:08,405 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,405 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:37 [2020-04-17 22:59:08,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:59:08,440 INFO L377 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 0 case distinctions, treesize of input 25 treesize of output 24 [2020-04-17 22:59:08,441 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,461 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,462 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,462 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:37 [2020-04-17 22:59:08,533 INFO L377 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 0 case distinctions, treesize of input 34 treesize of output 18 [2020-04-17 22:59:08,533 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,550 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,551 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,551 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:31 [2020-04-17 22:59:08,579 INFO L377 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 0 case distinctions, treesize of input 21 treesize of output 20 [2020-04-17 22:59:08,579 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,591 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,592 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,592 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:17 [2020-04-17 22:59:08,642 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:59:08,656 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,656 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:59:08,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:08,657 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,695 INFO L619 ElimStorePlain]: treesize reduction 35, result has 55.1 percent of original size [2020-04-17 22:59:08,695 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,696 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:23 [2020-04-17 22:59:08,724 INFO L377 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 [2020-04-17 22:59:08,724 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,737 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,737 INFO L539 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. [2020-04-17 22:59:08,738 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:30 [2020-04-17 22:59:08,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:59:08,797 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-04-17 22:59:08,798 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,813 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,814 INFO L539 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. [2020-04-17 22:59:08,814 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:45, output treesize:30 [2020-04-17 22:59:08,822 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-04-17 22:59:08,823 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,824 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:08,824 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:08,824 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:1 [2020-04-17 22:59:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 147 proven. 15 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2020-04-17 22:59:08,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:59:08,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2020-04-17 22:59:08,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217078042] [2020-04-17 22:59:08,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-04-17 22:59:08,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:59:08,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-04-17 22:59:08,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=462, Unknown=0, NotChecked=0, Total=702 [2020-04-17 22:59:08,863 INFO L87 Difference]: Start difference. First operand 2864 states and 5162 transitions. Second operand 27 states. [2020-04-17 22:59:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:59:09,809 INFO L93 Difference]: Finished difference Result 3203 states and 5766 transitions. [2020-04-17 22:59:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-04-17 22:59:09,810 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2020-04-17 22:59:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:59:09,821 INFO L225 Difference]: With dead ends: 3203 [2020-04-17 22:59:09,822 INFO L226 Difference]: Without dead ends: 3203 [2020-04-17 22:59:09,822 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=659, Invalid=1233, Unknown=0, NotChecked=0, Total=1892 [2020-04-17 22:59:09,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2020-04-17 22:59:09,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2896. [2020-04-17 22:59:09,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2896 states. [2020-04-17 22:59:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 5218 transitions. [2020-04-17 22:59:09,883 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 5218 transitions. Word has length 104 [2020-04-17 22:59:09,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:59:09,883 INFO L479 AbstractCegarLoop]: Abstraction has 2896 states and 5218 transitions. [2020-04-17 22:59:09,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-04-17 22:59:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 5218 transitions. [2020-04-17 22:59:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-04-17 22:59:09,890 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:59:09,891 INFO L425 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:59:10,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:59:10,106 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:59:10,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:59:10,106 INFO L82 PathProgramCache]: Analyzing trace with hash -87646384, now seen corresponding path program 7 times [2020-04-17 22:59:10,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:59:10,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096435725] [2020-04-17 22:59:10,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:59:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:59:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:59:10,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096435725] [2020-04-17 22:59:10,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800045911] [2020-04-17 22:59:10,316 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 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 [2020-04-17 22:59:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:59:10,454 INFO L264 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 14 conjunts are in the unsatisfiable core [2020-04-17 22:59:10,455 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:59:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:59:10,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:59:10,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-04-17 22:59:10,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369552913] [2020-04-17 22:59:10,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-04-17 22:59:10,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:59:10,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-17 22:59:10,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-04-17 22:59:10,472 INFO L87 Difference]: Start difference. First operand 2896 states and 5218 transitions. Second operand 16 states. [2020-04-17 22:59:10,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:59:10,575 INFO L93 Difference]: Finished difference Result 3516 states and 6327 transitions. [2020-04-17 22:59:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 22:59:10,576 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 112 [2020-04-17 22:59:10,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:59:10,587 INFO L225 Difference]: With dead ends: 3516 [2020-04-17 22:59:10,587 INFO L226 Difference]: Without dead ends: 3516 [2020-04-17 22:59:10,587 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-04-17 22:59:10,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3516 states. [2020-04-17 22:59:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3516 to 3227. [2020-04-17 22:59:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3227 states. [2020-04-17 22:59:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 5809 transitions. [2020-04-17 22:59:10,647 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 5809 transitions. Word has length 112 [2020-04-17 22:59:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:59:10,647 INFO L479 AbstractCegarLoop]: Abstraction has 3227 states and 5809 transitions. [2020-04-17 22:59:10,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-04-17 22:59:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 5809 transitions. [2020-04-17 22:59:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-04-17 22:59:10,654 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:59:10,655 INFO L425 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:59:10,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:59:10,859 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:59:10,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:59:10,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1916642290, now seen corresponding path program 8 times [2020-04-17 22:59:10,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:59:10,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580855073] [2020-04-17 22:59:10,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:59:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:59:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:59:11,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580855073] [2020-04-17 22:59:11,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364958729] [2020-04-17 22:59:11,110 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-04-17 22:59:11,329 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 22:59:11,330 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:59:11,333 INFO L264 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-04-17 22:59:11,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:59:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:59:11,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:59:11,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-04-17 22:59:11,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961970123] [2020-04-17 22:59:11,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-04-17 22:59:11,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:59:11,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-17 22:59:11,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-04-17 22:59:11,378 INFO L87 Difference]: Start difference. First operand 3227 states and 5809 transitions. Second operand 17 states. [2020-04-17 22:59:11,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:59:11,501 INFO L93 Difference]: Finished difference Result 3847 states and 6918 transitions. [2020-04-17 22:59:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-04-17 22:59:11,502 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-04-17 22:59:11,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:59:11,539 INFO L225 Difference]: With dead ends: 3847 [2020-04-17 22:59:11,539 INFO L226 Difference]: Without dead ends: 3847 [2020-04-17 22:59:11,539 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-04-17 22:59:11,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2020-04-17 22:59:11,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3558. [2020-04-17 22:59:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3558 states. [2020-04-17 22:59:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 6400 transitions. [2020-04-17 22:59:11,612 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 6400 transitions. Word has length 120 [2020-04-17 22:59:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:59:11,612 INFO L479 AbstractCegarLoop]: Abstraction has 3558 states and 6400 transitions. [2020-04-17 22:59:11,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-04-17 22:59:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 6400 transitions. [2020-04-17 22:59:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-04-17 22:59:11,621 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:59:11,621 INFO L425 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 9, 9, 9, 9, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:59:11,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:59:11,827 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:59:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:59:11,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1941130441, now seen corresponding path program 9 times [2020-04-17 22:59:11,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:59:11,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101953669] [2020-04-17 22:59:11,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:59:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:59:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 597 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:59:12,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101953669] [2020-04-17 22:59:12,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248309479] [2020-04-17 22:59:12,056 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2020-04-17 22:59:14,337 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-04-17 22:59:14,337 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 22:59:14,343 INFO L264 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 77 conjunts are in the unsatisfiable core [2020-04-17 22:59:14,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 22:59:14,356 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,357 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 107 [2020-04-17 22:59:14,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:14,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:14,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:14,359 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-04-17 22:59:14,427 INFO L619 ElimStorePlain]: treesize reduction 191, result has 16.2 percent of original size [2020-04-17 22:59:14,428 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,428 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:44, output treesize:4 [2020-04-17 22:59:14,457 INFO L377 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 13 treesize of output 9 [2020-04-17 22:59:14,457 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,462 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,462 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,462 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-04-17 22:59:14,480 INFO L377 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 25 treesize of output 24 [2020-04-17 22:59:14,481 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,488 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,489 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,489 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-04-17 22:59:14,520 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:59:14,533 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,533 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:59:14,534 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,564 INFO L619 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-04-17 22:59:14,565 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,565 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-04-17 22:59:14,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:59:14,590 INFO L377 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 0 case distinctions, treesize of input 25 treesize of output 24 [2020-04-17 22:59:14,590 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,600 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,601 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,601 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-04-17 22:59:14,631 INFO L377 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 34 treesize of output 18 [2020-04-17 22:59:14,631 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,643 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,643 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,644 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-04-17 22:59:14,662 INFO L377 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 25 treesize of output 24 [2020-04-17 22:59:14,662 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,670 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,670 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,670 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-04-17 22:59:14,712 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:59:14,724 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,725 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 22:59:14,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:14,726 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,758 INFO L619 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-04-17 22:59:14,759 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,759 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-04-17 22:59:14,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:59:14,795 INFO L377 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 0 case distinctions, treesize of input 25 treesize of output 24 [2020-04-17 22:59:14,795 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,806 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,806 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,806 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-04-17 22:59:14,856 INFO L377 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 31 treesize of output 15 [2020-04-17 22:59:14,856 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,861 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,861 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,862 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-04-17 22:59:14,882 INFO L377 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 25 treesize of output 24 [2020-04-17 22:59:14,883 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,889 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,890 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,890 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-04-17 22:59:14,927 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 22:59:14,940 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:14,941 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 49 [2020-04-17 22:59:14,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:59:14,943 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-04-17 22:59:14,969 INFO L619 ElimStorePlain]: treesize reduction 90, result has 26.8 percent of original size [2020-04-17 22:59:14,970 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:14,970 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-04-17 22:59:14,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 22:59:14,999 INFO L377 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 25 treesize of output 24 [2020-04-17 22:59:14,999 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:15,008 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:15,009 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:15,009 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-04-17 22:59:15,012 INFO L377 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 [2020-04-17 22:59:15,013 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 22:59:15,014 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:59:15,014 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 22:59:15,014 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-04-17 22:59:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 220 proven. 73 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-04-17 22:59:15,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 22:59:15,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2020-04-17 22:59:15,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062990712] [2020-04-17 22:59:15,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-04-17 22:59:15,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:59:15,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-04-17 22:59:15,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2020-04-17 22:59:15,039 INFO L87 Difference]: Start difference. First operand 3558 states and 6400 transitions. Second operand 31 states. [2020-04-17 22:59:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:59:21,009 INFO L93 Difference]: Finished difference Result 3304 states and 5858 transitions. [2020-04-17 22:59:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2020-04-17 22:59:21,009 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 127 [2020-04-17 22:59:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:59:21,016 INFO L225 Difference]: With dead ends: 3304 [2020-04-17 22:59:21,016 INFO L226 Difference]: Without dead ends: 3304 [2020-04-17 22:59:21,018 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10262 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=5735, Invalid=19071, Unknown=0, NotChecked=0, Total=24806 [2020-04-17 22:59:21,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2020-04-17 22:59:21,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 1761. [2020-04-17 22:59:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2020-04-17 22:59:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 3180 transitions. [2020-04-17 22:59:21,053 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 3180 transitions. Word has length 127 [2020-04-17 22:59:21,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:59:21,054 INFO L479 AbstractCegarLoop]: Abstraction has 1761 states and 3180 transitions. [2020-04-17 22:59:21,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-04-17 22:59:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 3180 transitions. [2020-04-17 22:59:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-04-17 22:59:21,058 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:59:21,058 INFO L425 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:59:21,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 22:59:21,265 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:59:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:59:21,265 INFO L82 PathProgramCache]: Analyzing trace with hash -174116110, now seen corresponding path program 10 times [2020-04-17 22:59:21,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:59:21,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047061286] [2020-04-17 22:59:21,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:59:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:59:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:59:21,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047061286] [2020-04-17 22:59:21,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562056758] [2020-04-17 22:59:21,556 INFO L92 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 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 [2020-04-17 23:00:16,590 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-04-17 23:00:16,590 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:00:16,600 INFO L264 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-04-17 23:00:16,603 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:00:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:00:16,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:00:16,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-04-17 23:00:16,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58432059] [2020-04-17 23:00:16,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-04-17 23:00:16,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:00:16,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-17 23:00:16,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-04-17 23:00:16,651 INFO L87 Difference]: Start difference. First operand 1761 states and 3180 transitions. Second operand 19 states. [2020-04-17 23:00:16,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:00:16,743 INFO L93 Difference]: Finished difference Result 1993 states and 3594 transitions. [2020-04-17 23:00:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-04-17 23:00:16,744 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 136 [2020-04-17 23:00:16,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:00:16,747 INFO L225 Difference]: With dead ends: 1993 [2020-04-17 23:00:16,747 INFO L226 Difference]: Without dead ends: 1993 [2020-04-17 23:00:16,748 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-04-17 23:00:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2020-04-17 23:00:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1885. [2020-04-17 23:00:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2020-04-17 23:00:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 3401 transitions. [2020-04-17 23:00:16,785 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 3401 transitions. Word has length 136 [2020-04-17 23:00:16,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:00:16,785 INFO L479 AbstractCegarLoop]: Abstraction has 1885 states and 3401 transitions. [2020-04-17 23:00:16,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-04-17 23:00:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3401 transitions. [2020-04-17 23:00:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-04-17 23:00:16,789 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:00:16,790 INFO L425 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:00:17,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:00:17,000 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:00:17,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:00:17,001 INFO L82 PathProgramCache]: Analyzing trace with hash 236463122, now seen corresponding path program 11 times [2020-04-17 23:00:17,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:00:17,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470108820] [2020-04-17 23:00:17,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:00:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:00:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:00:17,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470108820] [2020-04-17 23:00:17,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447212434] [2020-04-17 23:00:17,434 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 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 [2020-04-17 23:00:19,805 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-04-17 23:00:19,806 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:00:19,816 INFO L264 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 158 conjunts are in the unsatisfiable core [2020-04-17 23:00:19,821 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:00:19,837 INFO L377 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 [2020-04-17 23:00:19,837 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:19,839 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:19,839 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:19,839 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-04-17 23:00:19,873 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:19,873 INFO L377 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 62 [2020-04-17 23:00:19,874 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:19,904 INFO L619 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-04-17 23:00:19,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:19,905 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:19,906 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:34 [2020-04-17 23:00:19,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:19,987 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:19,989 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:20,006 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,006 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 23:00:20,007 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,026 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,026 INFO L377 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 54 [2020-04-17 23:00:20,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,027 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,115 INFO L619 ElimStorePlain]: treesize reduction 49, result has 65.2 percent of original size [2020-04-17 23:00:20,116 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:20,116 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:48 [2020-04-17 23:00:20,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:20,171 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:20,171 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,178 INFO L377 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 15 treesize of output 11 [2020-04-17 23:00:20,178 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,213 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,213 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:20,214 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 23:00:20,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,301 INFO L377 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 0 case distinctions, treesize of input 25 treesize of output 15 [2020-04-17 23:00:20,301 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,314 INFO L377 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 0 case distinctions, treesize of input 34 treesize of output 18 [2020-04-17 23:00:20,314 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,331 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,331 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:20,332 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:35 [2020-04-17 23:00:20,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,381 INFO L377 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 15 treesize of output 11 [2020-04-17 23:00:20,381 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,415 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,416 INFO L377 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 62 [2020-04-17 23:00:20,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,417 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,486 INFO L619 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-04-17 23:00:20,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,488 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:00:20,488 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:59 [2020-04-17 23:00:20,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,600 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,600 INFO L377 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 54 [2020-04-17 23:00:20,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,601 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,611 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:20,627 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,628 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 23:00:20,628 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,629 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,722 INFO L619 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-04-17 23:00:20,723 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:20,723 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-04-17 23:00:20,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:20,780 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:20,781 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,790 INFO L377 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 15 treesize of output 11 [2020-04-17 23:00:20,790 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,822 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,823 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:20,823 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 23:00:20,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,888 INFO L377 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 0 case distinctions, treesize of input 21 treesize of output 11 [2020-04-17 23:00:20,889 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,906 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,910 INFO L377 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 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 23:00:20,911 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,921 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,922 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:20,922 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:35 [2020-04-17 23:00:20,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,963 INFO L377 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 15 treesize of output 11 [2020-04-17 23:00:20,963 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:20,992 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:20,993 INFO L377 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 62 [2020-04-17 23:00:20,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:20,994 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,065 INFO L619 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-04-17 23:00:21,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,066 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:00:21,067 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:59 [2020-04-17 23:00:21,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,157 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:21,159 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:21,176 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,176 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 49 [2020-04-17 23:00:21,177 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,177 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,179 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,196 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,196 INFO L377 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-04-17 23:00:21,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,199 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,289 INFO L619 ElimStorePlain]: treesize reduction 133, result has 40.9 percent of original size [2020-04-17 23:00:21,289 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,290 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-04-17 23:00:21,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,345 INFO L377 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 15 treesize of output 11 [2020-04-17 23:00:21,346 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:21,354 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:21,354 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,384 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,384 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,384 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 23:00:21,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,511 INFO L377 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 0 case distinctions, treesize of input 41 treesize of output 19 [2020-04-17 23:00:21,512 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,549 INFO L619 ElimStorePlain]: treesize reduction 11, result has 85.7 percent of original size [2020-04-17 23:00:21,553 INFO L377 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 0 case distinctions, treesize of input 32 treesize of output 16 [2020-04-17 23:00:21,554 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,567 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,568 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,568 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:45 [2020-04-17 23:00:21,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,643 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,643 INFO L377 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 62 [2020-04-17 23:00:21,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,644 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:21,652 INFO L377 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 26 treesize of output 25 [2020-04-17 23:00:21,653 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:21,732 INFO L619 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-04-17 23:00:21,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,734 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:00:21,734 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:69 [2020-04-17 23:00:21,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,864 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,864 INFO L377 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-04-17 23:00:21,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,866 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,873 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:21,886 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:21,886 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 49 [2020-04-17 23:00:21,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:21,890 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,978 INFO L619 ElimStorePlain]: treesize reduction 119, result has 43.6 percent of original size [2020-04-17 23:00:21,979 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:21,979 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-04-17 23:00:22,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:22,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:22,047 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:22,047 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,053 INFO L377 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 15 treesize of output 11 [2020-04-17 23:00:22,053 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,086 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,087 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:00:22,087 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-04-17 23:00:22,170 INFO L377 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 0 case distinctions, treesize of input 23 treesize of output 13 [2020-04-17 23:00:22,171 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,180 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,180 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,181 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-04-17 23:00:22,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:22,219 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:22,220 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,234 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,235 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,235 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-04-17 23:00:22,333 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:22,347 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,348 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 23:00:22,348 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,390 INFO L619 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-04-17 23:00:22,390 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,390 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-04-17 23:00:22,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:22,445 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:22,446 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,463 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,463 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,463 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-04-17 23:00:22,549 INFO L377 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 0 case distinctions, treesize of input 34 treesize of output 18 [2020-04-17 23:00:22,549 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,573 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,574 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,574 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-04-17 23:00:22,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:22,623 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:22,623 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,639 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,640 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,640 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-04-17 23:00:22,810 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:22,828 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:22,829 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 23:00:22,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:22,830 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,884 INFO L619 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-04-17 23:00:22,885 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:22,885 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-04-17 23:00:22,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:22,992 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:22,992 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,012 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,012 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,013 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-04-17 23:00:23,113 INFO L377 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 0 case distinctions, treesize of input 34 treesize of output 18 [2020-04-17 23:00:23,114 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,126 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,126 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,126 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-04-17 23:00:23,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:23,181 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:23,181 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,195 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,195 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,195 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-04-17 23:00:23,326 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:00:23,341 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,342 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-04-17 23:00:23,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:23,343 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,384 INFO L619 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-04-17 23:00:23,385 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,386 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-04-17 23:00:23,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:23,454 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:23,455 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,472 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,473 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,473 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-04-17 23:00:23,618 INFO L377 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 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 23:00:23,618 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,634 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,635 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,635 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2020-04-17 23:00:23,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-17 23:00:23,684 INFO L377 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 25 treesize of output 24 [2020-04-17 23:00:23,684 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,695 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,696 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 23:00:23,696 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:19 [2020-04-17 23:00:23,817 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,818 INFO L377 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 49 [2020-04-17 23:00:23,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:23,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:23,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:00:23,820 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-04-17 23:00:23,878 INFO L619 ElimStorePlain]: treesize reduction 49, result has 35.5 percent of original size [2020-04-17 23:00:23,879 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,879 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:9 [2020-04-17 23:00:23,931 INFO L343 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-04-17 23:00:23,931 INFO L377 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 [2020-04-17 23:00:23,932 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,937 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:00:23,937 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:00:23,937 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-04-17 23:00:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 630 proven. 111 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-04-17 23:00:24,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:00:24,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 41] total 58 [2020-04-17 23:00:24,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352965585] [2020-04-17 23:00:24,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2020-04-17 23:00:24,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:00:24,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2020-04-17 23:00:24,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=2744, Unknown=0, NotChecked=0, Total=3306 [2020-04-17 23:00:24,094 INFO L87 Difference]: Start difference. First operand 1885 states and 3401 transitions. Second operand 58 states. [2020-04-17 23:00:25,110 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:25,345 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-04-17 23:00:26,022 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-04-17 23:00:26,189 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-04-17 23:00:26,344 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:26,707 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-04-17 23:00:27,465 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:27,618 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-04-17 23:00:27,777 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-04-17 23:00:27,947 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-04-17 23:00:28,719 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-04-17 23:00:29,311 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:29,460 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:29,681 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:29,847 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:31,618 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:31,775 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:32,297 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:32,459 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:34,526 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:34,776 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:35,068 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:35,456 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:35,671 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:36,028 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 23:00:36,399 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:36,553 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-17 23:00:38,003 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:38,201 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:38,523 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:38,883 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:39,295 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 23:00:39,732 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:40,517 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-17 23:00:42,306 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:42,479 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:42,935 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:43,118 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:43,853 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:44,552 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-04-17 23:00:44,736 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-17 23:00:45,771 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:00:47,079 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:47,278 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:47,913 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:48,102 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:48,505 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:00:49,407 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:49,727 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:50,133 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:00:52,154 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:52,349 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:52,756 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:53,059 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:53,396 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:00:54,097 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 23:00:54,554 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:54,978 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:00:55,505 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-04-17 23:00:55,989 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:00:57,394 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:00:57,748 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:00:58,149 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:00:58,514 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:00:58,833 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:01:00,378 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:01:00,678 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-17 23:01:01,282 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-04-17 23:01:01,839 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:01:02,982 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:01:03,183 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:01:03,761 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:01:04,024 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:01:06,626 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:01:08,136 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:01:08,858 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:01:09,073 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:01:09,757 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:01:09,973 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:01:10,416 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-04-17 23:01:11,910 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:01:12,154 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-17 23:01:13,495 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-04-17 23:01:14,524 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:01:15,145 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:01:15,363 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:01:16,163 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:01:16,384 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:01:16,849 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:01:17,686 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-17 23:01:18,388 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:01:18,865 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:01:21,403 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-17 23:01:21,643 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:01:22,128 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-04-17 23:01:22,478 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-17 23:01:23,037 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-04-17 23:01:24,338 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-04-17 23:01:25,444 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:01:26,960 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-17 23:01:27,265 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-04-17 23:01:27,589 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-04-17 23:01:28,252 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-04-17 23:01:29,654 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-04-17 23:01:30,411 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-04-17 23:01:31,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:01:31,108 INFO L93 Difference]: Finished difference Result 6898 states and 12391 transitions. [2020-04-17 23:01:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 538 states. [2020-04-17 23:01:31,109 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 144 [2020-04-17 23:01:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:01:31,121 INFO L225 Difference]: With dead ends: 6898 [2020-04-17 23:01:31,121 INFO L226 Difference]: Without dead ends: 6898 [2020-04-17 23:01:31,129 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 1187 GetRequests, 608 SyntacticMatches, 3 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164941 ImplicationChecksByTransitivity, 61.0s TimeCoverageRelationStatistics Valid=45837, Invalid=287669, Unknown=0, NotChecked=0, Total=333506 [2020-04-17 23:01:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6898 states. [2020-04-17 23:01:31,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6898 to 5123. [2020-04-17 23:01:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5123 states. [2020-04-17 23:01:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 5123 states and 9151 transitions. [2020-04-17 23:01:31,234 INFO L78 Accepts]: Start accepts. Automaton has 5123 states and 9151 transitions. Word has length 144 [2020-04-17 23:01:31,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:01:31,235 INFO L479 AbstractCegarLoop]: Abstraction has 5123 states and 9151 transitions. [2020-04-17 23:01:31,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 58 states. [2020-04-17 23:01:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 9151 transitions. [2020-04-17 23:01:31,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-04-17 23:01:31,244 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:01:31,245 INFO L425 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 13, 13, 13, 13, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:01:31,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:01:31,452 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:01:31,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:01:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1372159502, now seen corresponding path program 12 times [2020-04-17 23:01:31,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:01:31,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731154202] [2020-04-17 23:01:31,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:01:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:01:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:01:31,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731154202] [2020-04-17 23:01:31,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256094521] [2020-04-17 23:01:31,723 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE 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 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown