/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-ext/02_inc_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 23:02:40,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 23:02:40,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 23:02:40,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 23:02:40,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 23:02:40,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 23:02:40,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 23:02:40,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 23:02:40,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 23:02:40,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 23:02:40,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 23:02:40,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 23:02:40,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 23:02:40,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 23:02:40,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 23:02:40,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 23:02:40,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 23:02:40,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 23:02:40,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 23:02:40,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 23:02:40,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 23:02:40,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 23:02:40,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 23:02:40,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 23:02:40,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 23:02:40,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 23:02:40,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 23:02:40,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 23:02:40,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 23:02:40,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 23:02:40,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 23:02:40,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 23:02:40,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 23:02:40,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 23:02:40,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 23:02:40,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 23:02:40,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 23:02:40,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 23:02:40,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 23:02:40,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 23:02:40,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 23:02:40,467 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 23:02:40,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 23:02:40,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 23:02:40,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 23:02:40,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 23:02:40,496 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 23:02:40,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 23:02:40,497 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 23:02:40,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 23:02:40,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 23:02:40,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 23:02:40,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 23:02:40,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 23:02:40,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 23:02:40,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 23:02:40,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 23:02:40,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 23:02:40,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 23:02:40,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 23:02:40,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 23:02:40,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 23:02:40,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 23:02:40,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 23:02:40,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 23:02:40,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 23:02:40,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 23:02:40,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 23:02:40,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 23:02:40,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-17 23:02:40,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 23:02:40,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 23:02:40,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 23:02:40,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 23:02:40,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 23:02:40,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 23:02:40,809 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 23:02:40,809 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2020-04-17 23:02:40,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179f65c65/c711d7f0ba644424bb74906b4db3a037/FLAG8090f0b62 [2020-04-17 23:02:41,416 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 23:02:41,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2020-04-17 23:02:41,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179f65c65/c711d7f0ba644424bb74906b4db3a037/FLAG8090f0b62 [2020-04-17 23:02:41,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179f65c65/c711d7f0ba644424bb74906b4db3a037 [2020-04-17 23:02:41,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 23:02:41,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 23:02:41,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 23:02:41,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 23:02:41,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 23:02:41,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 11:02:41" (1/1) ... [2020-04-17 23:02:41,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f373ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:41, skipping insertion in model container [2020-04-17 23:02:41,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 11:02:41" (1/1) ... [2020-04-17 23:02:41,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 23:02:41,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 23:02:42,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 23:02:42,271 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 23:02:42,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 23:02:42,431 INFO L208 MainTranslator]: Completed translation [2020-04-17 23:02:42,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42 WrapperNode [2020-04-17 23:02:42,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 23:02:42,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 23:02:42,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 23:02:42,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 23:02:42,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 23:02:42,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 23:02:42,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 23:02:42,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 23:02:42,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (1/1) ... [2020-04-17 23:02:42,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 23:02:42,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 23:02:42,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 23:02:42,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 23:02:42,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (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 23:02:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 23:02:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-17 23:02:42,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-17 23:02:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 23:02:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 23:02:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 23:02:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 23:02:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 23:02:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 23:02:42,655 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 23:02:43,411 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 23:02:43,412 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-04-17 23:02:43,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 11:02:43 BoogieIcfgContainer [2020-04-17 23:02:43,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 23:02:43,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 23:02:43,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 23:02:43,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 23:02:43,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 11:02:41" (1/3) ... [2020-04-17 23:02:43,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9603302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 11:02:43, skipping insertion in model container [2020-04-17 23:02:43,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 11:02:42" (2/3) ... [2020-04-17 23:02:43,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9603302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 11:02:43, skipping insertion in model container [2020-04-17 23:02:43,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 11:02:43" (3/3) ... [2020-04-17 23:02:43,424 INFO L109 eAbstractionObserver]: Analyzing ICFG 02_inc_cas.i [2020-04-17 23:02:43,435 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 23:02:43,436 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 23:02:43,443 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-17 23:02:43,446 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 23:02:43,470 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,471 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,471 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,471 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,473 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,474 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,474 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,474 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,474 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,475 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,475 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,477 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,478 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,478 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,479 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,480 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,480 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,481 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,487 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,490 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,490 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,490 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,491 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,491 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,492 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,492 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,493 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:43,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-17 23:02:43,532 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 23:02:43,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 23:02:43,532 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 23:02:43,533 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 23:02:43,533 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 23:02:43,533 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 23:02:43,533 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 23:02:43,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 23:02:43,548 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 50 transitions, 105 flow [2020-04-17 23:02:43,550 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 48 places, 50 transitions, 105 flow [2020-04-17 23:02:43,590 INFO L129 PetriNetUnfolder]: 6/58 cut-off events. [2020-04-17 23:02:43,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 23:02:43,596 INFO L80 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 58 events. 6/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 40. Up to 4 conditions per place. [2020-04-17 23:02:43,598 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 48 places, 50 transitions, 105 flow [2020-04-17 23:02:43,614 INFO L129 PetriNetUnfolder]: 6/58 cut-off events. [2020-04-17 23:02:43,614 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 23:02:43,615 INFO L80 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 58 events. 6/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 40. Up to 4 conditions per place. [2020-04-17 23:02:43,616 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 620 [2020-04-17 23:02:43,617 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-17 23:02:44,424 INFO L206 etLargeBlockEncoding]: Checked pairs total: 583 [2020-04-17 23:02:44,424 INFO L214 etLargeBlockEncoding]: Total number of compositions: 41 [2020-04-17 23:02:44,428 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 17 transitions, 39 flow [2020-04-17 23:02:44,440 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 49 states. [2020-04-17 23:02:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-04-17 23:02:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 23:02:44,452 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:44,453 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 23:02:44,453 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:02:44,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:44,461 INFO L82 PathProgramCache]: Analyzing trace with hash -813454265, now seen corresponding path program 1 times [2020-04-17 23:02:44,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:44,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38590219] [2020-04-17 23:02:44,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:44,693 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 23:02:44,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38590219] [2020-04-17 23:02:44,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:02:44,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 23:02:44,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035501375] [2020-04-17 23:02:44,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 23:02:44,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:02:44,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 23:02:44,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:02:44,721 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-04-17 23:02:44,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:02:44,743 INFO L93 Difference]: Finished difference Result 39 states and 70 transitions. [2020-04-17 23:02:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 23:02:44,745 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 23:02:44,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:02:44,755 INFO L225 Difference]: With dead ends: 39 [2020-04-17 23:02:44,755 INFO L226 Difference]: Without dead ends: 39 [2020-04-17 23:02:44,758 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:02:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-04-17 23:02:44,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-04-17 23:02:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-04-17 23:02:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 70 transitions. [2020-04-17 23:02:44,788 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 70 transitions. Word has length 6 [2020-04-17 23:02:44,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:02:44,789 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 70 transitions. [2020-04-17 23:02:44,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 23:02:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2020-04-17 23:02:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 23:02:44,790 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:44,790 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-17 23:02:44,790 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:02:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:44,790 INFO L82 PathProgramCache]: Analyzing trace with hash -813529685, now seen corresponding path program 1 times [2020-04-17 23:02:44,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:44,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402597895] [2020-04-17 23:02:44,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 23:02:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 23:02:44,872 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 23:02:44,872 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 23:02:44,873 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-17 23:02:44,874 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-17 23:02:44,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,892 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,894 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,894 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,894 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,894 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,894 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,895 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,895 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,895 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,895 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,895 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,896 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,896 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,896 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,896 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,896 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,896 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,897 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,897 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,897 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,897 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,897 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,898 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,898 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,898 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,898 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,899 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,899 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,899 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,899 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,899 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,900 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,900 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,900 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,900 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,901 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,901 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,901 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,902 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,902 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,903 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,904 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,904 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,904 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,904 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,904 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,905 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,905 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,905 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,905 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,906 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,906 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,906 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,906 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,907 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,908 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,909 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,909 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,910 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,910 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,910 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,910 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,911 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,911 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,911 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,911 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,912 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,912 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,912 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,912 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,912 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,913 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,913 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,913 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,914 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,914 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,914 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,914 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,914 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,915 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,915 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,915 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,915 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,915 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,916 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,916 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,916 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,916 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,917 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,917 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,917 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,917 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,918 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,918 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,918 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,918 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,918 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,919 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,921 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,921 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,921 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,921 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,922 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,922 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,922 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,922 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,923 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,923 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,923 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,923 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,923 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,924 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,924 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,924 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,924 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,925 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,925 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,925 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,925 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,925 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,926 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,926 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:44,928 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-17 23:02:44,929 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 23:02:44,929 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 23:02:44,929 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 23:02:44,929 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 23:02:44,930 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 23:02:44,930 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 23:02:44,930 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 23:02:44,930 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 23:02:44,934 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 82 transitions, 176 flow [2020-04-17 23:02:44,934 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 82 transitions, 176 flow [2020-04-17 23:02:44,961 INFO L129 PetriNetUnfolder]: 11/99 cut-off events. [2020-04-17 23:02:44,961 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-17 23:02:44,963 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 11/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 289 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-17 23:02:44,967 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 82 transitions, 176 flow [2020-04-17 23:02:44,989 INFO L129 PetriNetUnfolder]: 11/99 cut-off events. [2020-04-17 23:02:44,990 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-17 23:02:44,991 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 11/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 289 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-17 23:02:44,996 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3224 [2020-04-17 23:02:44,996 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-17 23:02:45,252 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:45,419 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:45,656 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:45,791 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:46,537 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4115 [2020-04-17 23:02:46,538 INFO L214 etLargeBlockEncoding]: Total number of compositions: 68 [2020-04-17 23:02:46,538 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 29 transitions, 70 flow [2020-04-17 23:02:46,557 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2020-04-17 23:02:46,558 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2020-04-17 23:02:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 23:02:46,559 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:46,559 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 23:02:46,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:02:46,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:46,559 INFO L82 PathProgramCache]: Analyzing trace with hash 165095412, now seen corresponding path program 1 times [2020-04-17 23:02:46,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:46,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012498732] [2020-04-17 23:02:46,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:46,586 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 23:02:46,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012498732] [2020-04-17 23:02:46,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:02:46,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 23:02:46,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314366151] [2020-04-17 23:02:46,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 23:02:46,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:02:46,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 23:02:46,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:02:46,589 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 2 states. [2020-04-17 23:02:46,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:02:46,630 INFO L93 Difference]: Finished difference Result 354 states and 1023 transitions. [2020-04-17 23:02:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 23:02:46,633 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 23:02:46,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:02:46,648 INFO L225 Difference]: With dead ends: 354 [2020-04-17 23:02:46,649 INFO L226 Difference]: Without dead ends: 354 [2020-04-17 23:02:46,649 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:02:46,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-04-17 23:02:46,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2020-04-17 23:02:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-04-17 23:02:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 1023 transitions. [2020-04-17 23:02:46,709 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 1023 transitions. Word has length 6 [2020-04-17 23:02:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:02:46,713 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 1023 transitions. [2020-04-17 23:02:46,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 23:02:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1023 transitions. [2020-04-17 23:02:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 23:02:46,715 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:46,715 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-04-17 23:02:46,715 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:02:46,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:46,716 INFO L82 PathProgramCache]: Analyzing trace with hash 994254804, now seen corresponding path program 1 times [2020-04-17 23:02:46,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:46,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206993919] [2020-04-17 23:02:46,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 23:02:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 23:02:46,749 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 23:02:46,749 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 23:02:46,749 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-17 23:02:46,751 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-17 23:02:46,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,763 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,763 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,764 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,764 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,765 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,765 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,765 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,765 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,765 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,765 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,766 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,766 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,767 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,767 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,768 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,768 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,768 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,768 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,768 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,768 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,770 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,770 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,770 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,770 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,770 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,773 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,774 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,775 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,782 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,783 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,783 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,783 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,784 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,784 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,791 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,791 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,793 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,793 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,793 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,793 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,793 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,798 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,798 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,798 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,798 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,798 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,798 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,799 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,799 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,799 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,799 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,799 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,799 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,800 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,800 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,800 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,800 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,800 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,802 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,803 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,803 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,803 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,803 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,803 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,803 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,804 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,804 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,804 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,804 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,804 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,804 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,805 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,805 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,805 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,805 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,805 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,805 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,806 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,806 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,806 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,806 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,806 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:02:46,808 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-17 23:02:46,808 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 23:02:46,808 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 23:02:46,808 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 23:02:46,808 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 23:02:46,808 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 23:02:46,808 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 23:02:46,808 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 23:02:46,808 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 23:02:46,811 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 114 transitions, 249 flow [2020-04-17 23:02:46,811 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 114 transitions, 249 flow [2020-04-17 23:02:46,857 INFO L129 PetriNetUnfolder]: 16/140 cut-off events. [2020-04-17 23:02:46,857 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-17 23:02:46,862 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 140 events. 16/140 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 477 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 103. Up to 8 conditions per place. [2020-04-17 23:02:46,869 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 114 transitions, 249 flow [2020-04-17 23:02:46,900 INFO L129 PetriNetUnfolder]: 16/140 cut-off events. [2020-04-17 23:02:46,900 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-17 23:02:46,901 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 140 events. 16/140 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 477 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 103. Up to 8 conditions per place. [2020-04-17 23:02:46,908 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7812 [2020-04-17 23:02:46,908 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-17 23:02:47,039 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:47,182 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:47,538 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:47,676 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:02:48,261 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-17 23:02:48,419 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-17 23:02:48,770 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:02:48,910 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:02:49,281 INFO L206 etLargeBlockEncoding]: Checked pairs total: 9903 [2020-04-17 23:02:49,281 INFO L214 etLargeBlockEncoding]: Total number of compositions: 96 [2020-04-17 23:02:49,282 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions, 103 flow [2020-04-17 23:02:49,495 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2020-04-17 23:02:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2020-04-17 23:02:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 23:02:49,497 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:49,497 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 23:02:49,498 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:02:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:49,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1032795845, now seen corresponding path program 1 times [2020-04-17 23:02:49,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:49,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633568149] [2020-04-17 23:02:49,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:49,557 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 23:02:49,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633568149] [2020-04-17 23:02:49,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:02:49,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 23:02:49,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364674251] [2020-04-17 23:02:49,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 23:02:49,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:02:49,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 23:02:49,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:02:49,562 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 2 states. [2020-04-17 23:02:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:02:49,631 INFO L93 Difference]: Finished difference Result 3189 states and 12750 transitions. [2020-04-17 23:02:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 23:02:49,632 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 23:02:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:02:49,673 INFO L225 Difference]: With dead ends: 3189 [2020-04-17 23:02:49,673 INFO L226 Difference]: Without dead ends: 3189 [2020-04-17 23:02:49,673 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:02:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2020-04-17 23:02:49,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 3189. [2020-04-17 23:02:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3189 states. [2020-04-17 23:02:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 12750 transitions. [2020-04-17 23:02:49,899 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 12750 transitions. Word has length 6 [2020-04-17 23:02:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:02:49,900 INFO L479 AbstractCegarLoop]: Abstraction has 3189 states and 12750 transitions. [2020-04-17 23:02:49,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 23:02:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 12750 transitions. [2020-04-17 23:02:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 23:02:49,901 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:49,901 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:02:49,901 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:02:49,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:49,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1140895884, now seen corresponding path program 1 times [2020-04-17 23:02:49,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:49,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744214111] [2020-04-17 23:02:49,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:50,176 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 23:02:50,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744214111] [2020-04-17 23:02:50,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:02:50,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-17 23:02:50,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213799440] [2020-04-17 23:02:50,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 23:02:50,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:02:50,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 23:02:50,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-17 23:02:50,178 INFO L87 Difference]: Start difference. First operand 3189 states and 12750 transitions. Second operand 7 states. [2020-04-17 23:02:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:02:51,208 INFO L93 Difference]: Finished difference Result 5800 states and 22921 transitions. [2020-04-17 23:02:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 23:02:51,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 9 [2020-04-17 23:02:51,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:02:51,259 INFO L225 Difference]: With dead ends: 5800 [2020-04-17 23:02:51,259 INFO L226 Difference]: Without dead ends: 5800 [2020-04-17 23:02:51,260 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-04-17 23:02:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2020-04-17 23:02:51,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 4456. [2020-04-17 23:02:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4456 states. [2020-04-17 23:02:51,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 17974 transitions. [2020-04-17 23:02:51,519 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 17974 transitions. Word has length 9 [2020-04-17 23:02:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:02:51,519 INFO L479 AbstractCegarLoop]: Abstraction has 4456 states and 17974 transitions. [2020-04-17 23:02:51,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 23:02:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 17974 transitions. [2020-04-17 23:02:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-17 23:02:51,521 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:51,521 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:02:51,522 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:02:51,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:51,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1534323010, now seen corresponding path program 1 times [2020-04-17 23:02:51,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:51,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663613991] [2020-04-17 23:02:51,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:51,738 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 23:02:51,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663613991] [2020-04-17 23:02:51,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131289679] [2020-04-17 23:02:51,740 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 23:02:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:51,830 INFO L264 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2020-04-17 23:02:51,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:02:51,955 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:02:51,956 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:02:51,958 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:51,993 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 23:02:51,994 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:02:51,994 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:02:52,039 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 19 treesize of output 18 [2020-04-17 23:02:52,040 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,055 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 19 treesize of output 18 [2020-04-17 23:02:52,056 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,068 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 19 treesize of output 18 [2020-04-17 23:02:52,068 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,113 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:52,113 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:02:52,113 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:02:52,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:02:52,211 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:52,212 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 23:02:52,213 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,233 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:52,234 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 23:02:52,235 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,265 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:52,266 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 23:02:52,267 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,301 INFO L619 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-04-17 23:02:52,302 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,302 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:114, output treesize:27 [2020-04-17 23:02:52,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:02:52,390 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:02:52,391 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,405 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2020-04-17 23:02:52,406 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,436 INFO L619 ElimStorePlain]: treesize reduction 11, result has 78.0 percent of original size [2020-04-17 23:02:52,437 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 23:02:52,438 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:146, output treesize:39 [2020-04-17 23:02:52,494 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 23:02:52,495 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,508 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:52,509 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:02:52,509 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:50, output treesize:39 [2020-04-17 23:02:52,560 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 23:02:52,561 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,569 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:52,570 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:02:52,570 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:46, output treesize:9 [2020-04-17 23:02:52,591 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 23:02:52,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:02:52,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2020-04-17 23:02:52,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046074592] [2020-04-17 23:02:52,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-04-17 23:02:52,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:02:52,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-17 23:02:52,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-04-17 23:02:52,593 INFO L87 Difference]: Start difference. First operand 4456 states and 17974 transitions. Second operand 15 states. [2020-04-17 23:02:52,910 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-04-17 23:02:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:02:55,122 INFO L93 Difference]: Finished difference Result 8362 states and 32988 transitions. [2020-04-17 23:02:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-04-17 23:02:55,123 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 11 [2020-04-17 23:02:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:02:55,203 INFO L225 Difference]: With dead ends: 8362 [2020-04-17 23:02:55,203 INFO L226 Difference]: Without dead ends: 8362 [2020-04-17 23:02:55,204 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=232, Invalid=890, Unknown=0, NotChecked=0, Total=1122 [2020-04-17 23:02:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2020-04-17 23:02:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 4909. [2020-04-17 23:02:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4909 states. [2020-04-17 23:02:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 19634 transitions. [2020-04-17 23:02:55,415 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 19634 transitions. Word has length 11 [2020-04-17 23:02:55,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:02:55,416 INFO L479 AbstractCegarLoop]: Abstraction has 4909 states and 19634 transitions. [2020-04-17 23:02:55,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-04-17 23:02:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 19634 transitions. [2020-04-17 23:02:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 23:02:55,420 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:55,421 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:02:55,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:02:55,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:02:55,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:02:55,625 INFO L82 PathProgramCache]: Analyzing trace with hash -225815848, now seen corresponding path program 1 times [2020-04-17 23:02:55,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:02:55,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318018962] [2020-04-17 23:02:55,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:02:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-17 23:02:55,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318018962] [2020-04-17 23:02:55,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710766766] [2020-04-17 23:02:55,759 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 23:02:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:02:55,832 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2020-04-17 23:02:55,834 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:02:55,843 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 38 treesize of output 34 [2020-04-17 23:02:55,844 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:55,858 INFO L619 ElimStorePlain]: treesize reduction 13, result has 53.6 percent of original size [2020-04-17 23:02:55,858 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:02:55,858 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:15 [2020-04-17 23:02:55,892 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 19 treesize of output 18 [2020-04-17 23:02:55,893 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:55,904 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:55,905 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:02:55,905 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-04-17 23:02:55,932 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:02:55,933 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:55,941 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:55,942 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 23:02:55,942 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2020-04-17 23:02:56,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:02:56,043 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_119|], 10=[v_prenex_3]} [2020-04-17 23:02:56,085 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:56,085 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 79 [2020-04-17 23:02:56,086 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:56,120 INFO L619 ElimStorePlain]: treesize reduction 11, result has 85.1 percent of original size [2020-04-17 23:02:56,153 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:56,154 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 73 [2020-04-17 23:02:56,155 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:56,211 INFO L619 ElimStorePlain]: treesize reduction 32, result has 58.4 percent of original size [2020-04-17 23:02:56,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:02:56,212 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 23:02:56,213 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:130, output treesize:45 [2020-04-17 23:02:56,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:02:56,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:02:56,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:02:56,364 INFO L435 ElimStorePlain]: Different costs {1=[|#memory_int|], 2=[v_prenex_5]} [2020-04-17 23:02:56,368 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 34 treesize of output 18 [2020-04-17 23:02:56,369 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:56,391 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:56,396 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 24 treesize of output 12 [2020-04-17 23:02:56,396 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:02:56,411 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:02:56,412 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:02:56,412 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:73, output treesize:9 [2020-04-17 23:02:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:02:56,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:02:56,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2020-04-17 23:02:56,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605540723] [2020-04-17 23:02:56,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-04-17 23:02:56,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:02:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-17 23:02:56,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-04-17 23:02:56,434 INFO L87 Difference]: Start difference. First operand 4909 states and 19634 transitions. Second operand 16 states. [2020-04-17 23:02:57,004 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-04-17 23:02:59,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:02:59,537 INFO L93 Difference]: Finished difference Result 9654 states and 37599 transitions. [2020-04-17 23:02:59,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-04-17 23:02:59,538 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 12 [2020-04-17 23:02:59,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:02:59,581 INFO L225 Difference]: With dead ends: 9654 [2020-04-17 23:02:59,581 INFO L226 Difference]: Without dead ends: 9654 [2020-04-17 23:02:59,582 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=375, Invalid=1695, Unknown=0, NotChecked=0, Total=2070 [2020-04-17 23:02:59,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9654 states. [2020-04-17 23:02:59,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9654 to 6889. [2020-04-17 23:02:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6889 states. [2020-04-17 23:02:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6889 states to 6889 states and 27424 transitions. [2020-04-17 23:02:59,846 INFO L78 Accepts]: Start accepts. Automaton has 6889 states and 27424 transitions. Word has length 12 [2020-04-17 23:02:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:02:59,847 INFO L479 AbstractCegarLoop]: Abstraction has 6889 states and 27424 transitions. [2020-04-17 23:02:59,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-04-17 23:02:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6889 states and 27424 transitions. [2020-04-17 23:02:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 23:02:59,849 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:02:59,849 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-04-17 23:03:00,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:03:00,055 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 23:03:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:00,055 INFO L82 PathProgramCache]: Analyzing trace with hash -768998574, now seen corresponding path program 1 times [2020-04-17 23:03:00,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:00,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978303237] [2020-04-17 23:03:00,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 23:03:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 23:03:00,088 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 23:03:00,089 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 23:03:00,089 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-17 23:03:00,089 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-17 23:03:00,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,109 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,109 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,109 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,111 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,112 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,113 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,117 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,117 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,117 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,130 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,130 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,132 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,132 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,133 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,133 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,133 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,135 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,135 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,135 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,135 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,136 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,137 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,137 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,137 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,137 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,137 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,139 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,147 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,147 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,157 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,160 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,161 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,163 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~vn~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 23:03:00,166 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-17 23:03:00,166 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 23:03:00,166 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 23:03:00,166 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 23:03:00,167 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 23:03:00,167 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 23:03:00,167 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 23:03:00,167 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 23:03:00,167 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 23:03:00,169 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 146 transitions, 324 flow [2020-04-17 23:03:00,169 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 146 transitions, 324 flow [2020-04-17 23:03:00,191 INFO L129 PetriNetUnfolder]: 21/181 cut-off events. [2020-04-17 23:03:00,191 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-17 23:03:00,194 INFO L80 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 181 events. 21/181 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 683 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 149. Up to 10 conditions per place. [2020-04-17 23:03:00,207 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 146 transitions, 324 flow [2020-04-17 23:03:00,228 INFO L129 PetriNetUnfolder]: 21/181 cut-off events. [2020-04-17 23:03:00,228 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-17 23:03:00,230 INFO L80 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 181 events. 21/181 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 683 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 149. Up to 10 conditions per place. [2020-04-17 23:03:00,243 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 14384 [2020-04-17 23:03:00,243 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-17 23:03:00,374 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:03:00,507 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:03:00,846 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:03:00,976 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:03:01,306 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:03:01,426 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-17 23:03:02,205 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:03:02,344 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:03:02,530 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:03:02,677 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:03:03,008 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:03:03,156 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-17 23:03:03,406 INFO L206 etLargeBlockEncoding]: Checked pairs total: 18219 [2020-04-17 23:03:03,406 INFO L214 etLargeBlockEncoding]: Total number of compositions: 128 [2020-04-17 23:03:03,407 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 51 transitions, 134 flow [2020-04-17 23:03:06,162 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28876 states. [2020-04-17 23:03:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states. [2020-04-17 23:03:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 23:03:06,163 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:06,163 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 23:03:06,163 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:06,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:06,163 INFO L82 PathProgramCache]: Analyzing trace with hash -669891112, now seen corresponding path program 1 times [2020-04-17 23:03:06,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:06,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828551212] [2020-04-17 23:03:06,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:06,173 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 23:03:06,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828551212] [2020-04-17 23:03:06,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:03:06,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 23:03:06,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340753914] [2020-04-17 23:03:06,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 23:03:06,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:03:06,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 23:03:06,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:03:06,175 INFO L87 Difference]: Start difference. First operand 28876 states. Second operand 2 states. [2020-04-17 23:03:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:03:06,394 INFO L93 Difference]: Finished difference Result 22953 states and 117582 transitions. [2020-04-17 23:03:06,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 23:03:06,395 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-17 23:03:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:03:06,500 INFO L225 Difference]: With dead ends: 22953 [2020-04-17 23:03:06,501 INFO L226 Difference]: Without dead ends: 22953 [2020-04-17 23:03:06,501 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 23:03:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22953 states. [2020-04-17 23:03:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22953 to 22953. [2020-04-17 23:03:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22953 states. [2020-04-17 23:03:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22953 states to 22953 states and 117582 transitions. [2020-04-17 23:03:08,661 INFO L78 Accepts]: Start accepts. Automaton has 22953 states and 117582 transitions. Word has length 6 [2020-04-17 23:03:08,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:03:08,661 INFO L479 AbstractCegarLoop]: Abstraction has 22953 states and 117582 transitions. [2020-04-17 23:03:08,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 23:03:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22953 states and 117582 transitions. [2020-04-17 23:03:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 23:03:08,662 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:08,663 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:03:08,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:08,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2026511937, now seen corresponding path program 1 times [2020-04-17 23:03:08,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:08,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272557512] [2020-04-17 23:03:08,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:08,893 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 23:03:08,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272557512] [2020-04-17 23:03:08,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:03:08,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-17 23:03:08,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843662617] [2020-04-17 23:03:08,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-17 23:03:08,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:03:08,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-17 23:03:08,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-04-17 23:03:08,900 INFO L87 Difference]: Start difference. First operand 22953 states and 117582 transitions. Second operand 9 states. [2020-04-17 23:03:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:03:10,513 INFO L93 Difference]: Finished difference Result 57133 states and 295583 transitions. [2020-04-17 23:03:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-17 23:03:10,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2020-04-17 23:03:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:03:10,761 INFO L225 Difference]: With dead ends: 57133 [2020-04-17 23:03:10,761 INFO L226 Difference]: Without dead ends: 57133 [2020-04-17 23:03:10,762 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-04-17 23:03:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57133 states. [2020-04-17 23:03:14,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57133 to 35921. [2020-04-17 23:03:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35921 states. [2020-04-17 23:03:14,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35921 states to 35921 states and 184201 transitions. [2020-04-17 23:03:14,715 INFO L78 Accepts]: Start accepts. Automaton has 35921 states and 184201 transitions. Word has length 9 [2020-04-17 23:03:14,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:03:14,715 INFO L479 AbstractCegarLoop]: Abstraction has 35921 states and 184201 transitions. [2020-04-17 23:03:14,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-17 23:03:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35921 states and 184201 transitions. [2020-04-17 23:03:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-17 23:03:14,716 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:14,716 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:03:14,717 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:14,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:14,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1189420139, now seen corresponding path program 1 times [2020-04-17 23:03:14,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:14,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421047839] [2020-04-17 23:03:14,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:14,932 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 23:03:14,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421047839] [2020-04-17 23:03:14,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495544375] [2020-04-17 23:03:14,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 23:03:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:15,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 21 conjunts are in the unsatisfiable core [2020-04-17 23:03:15,007 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:03:15,055 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:03:15,055 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 23:03:15,056 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,090 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 23:03:15,091 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,091 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:03:15,132 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 19 treesize of output 18 [2020-04-17 23:03:15,133 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,140 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 19 treesize of output 18 [2020-04-17 23:03:15,140 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,148 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 19 treesize of output 18 [2020-04-17 23:03:15,149 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,194 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:15,194 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:03:15,195 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:03:15,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:15,308 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:15,308 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 23:03:15,309 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,326 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:15,326 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 23:03:15,327 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,340 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:15,341 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 23:03:15,341 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,370 INFO L619 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-04-17 23:03:15,371 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,371 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:114, output treesize:27 [2020-04-17 23:03:15,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:15,441 INFO L435 ElimStorePlain]: Different costs {6=[v_prenex_6], 10=[|v_#memory_int_159|]} [2020-04-17 23:03:15,454 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:15,455 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,495 INFO L619 ElimStorePlain]: treesize reduction 55, result has 54.2 percent of original size [2020-04-17 23:03:15,498 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:03:15,499 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,511 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:15,511 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,511 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:134, output treesize:39 [2020-04-17 23:03:15,582 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:15,583 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,608 INFO L619 ElimStorePlain]: treesize reduction 10, result has 79.6 percent of original size [2020-04-17 23:03:15,609 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:03:15,609 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:39 [2020-04-17 23:03:15,645 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 23:03:15,646 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,658 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:15,659 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:15,659 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:46, output treesize:9 [2020-04-17 23:03:15,677 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 23:03:15,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:03:15,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 15 [2020-04-17 23:03:15,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506084320] [2020-04-17 23:03:15,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-04-17 23:03:15,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:03:15,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-17 23:03:15,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-04-17 23:03:15,679 INFO L87 Difference]: Start difference. First operand 35921 states and 184201 transitions. Second operand 17 states. [2020-04-17 23:03:15,924 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-04-17 23:03:20,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:03:20,429 INFO L93 Difference]: Finished difference Result 67928 states and 344940 transitions. [2020-04-17 23:03:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-04-17 23:03:20,430 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 11 [2020-04-17 23:03:20,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:03:20,671 INFO L225 Difference]: With dead ends: 67928 [2020-04-17 23:03:20,671 INFO L226 Difference]: Without dead ends: 67928 [2020-04-17 23:03:20,672 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2020-04-17 23:03:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67928 states. [2020-04-17 23:03:22,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67928 to 38450. [2020-04-17 23:03:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38450 states. [2020-04-17 23:03:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38450 states to 38450 states and 198307 transitions. [2020-04-17 23:03:22,335 INFO L78 Accepts]: Start accepts. Automaton has 38450 states and 198307 transitions. Word has length 11 [2020-04-17 23:03:22,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:03:22,335 INFO L479 AbstractCegarLoop]: Abstraction has 38450 states and 198307 transitions. [2020-04-17 23:03:22,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-04-17 23:03:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 38450 states and 198307 transitions. [2020-04-17 23:03:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 23:03:22,336 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:22,336 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:03:22,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:03:22,537 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:22,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:22,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1625565198, now seen corresponding path program 1 times [2020-04-17 23:03:22,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:22,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201649859] [2020-04-17 23:03:22,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-04-17 23:03:22,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201649859] [2020-04-17 23:03:22,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 23:03:22,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-17 23:03:22,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647663737] [2020-04-17 23:03:22,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 23:03:22,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:03:22,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 23:03:22,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-17 23:03:22,693 INFO L87 Difference]: Start difference. First operand 38450 states and 198307 transitions. Second operand 7 states. [2020-04-17 23:03:25,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:03:25,988 INFO L93 Difference]: Finished difference Result 70689 states and 357538 transitions. [2020-04-17 23:03:25,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 23:03:25,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-04-17 23:03:25,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:03:26,246 INFO L225 Difference]: With dead ends: 70689 [2020-04-17 23:03:26,247 INFO L226 Difference]: Without dead ends: 70689 [2020-04-17 23:03:26,247 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-04-17 23:03:26,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70689 states. [2020-04-17 23:03:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70689 to 52981. [2020-04-17 23:03:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52981 states. [2020-04-17 23:03:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52981 states to 52981 states and 272971 transitions. [2020-04-17 23:03:28,292 INFO L78 Accepts]: Start accepts. Automaton has 52981 states and 272971 transitions. Word has length 12 [2020-04-17 23:03:28,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:03:28,293 INFO L479 AbstractCegarLoop]: Abstraction has 52981 states and 272971 transitions. [2020-04-17 23:03:28,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 23:03:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 52981 states and 272971 transitions. [2020-04-17 23:03:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 23:03:28,295 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:28,295 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:03:28,295 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:28,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:28,295 INFO L82 PathProgramCache]: Analyzing trace with hash -460749678, now seen corresponding path program 2 times [2020-04-17 23:03:28,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:28,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555670623] [2020-04-17 23:03:28,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-04-17 23:03:28,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555670623] [2020-04-17 23:03:28,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93880994] [2020-04-17 23:03:28,487 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 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 23:03:28,566 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 23:03:28,566 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:03:28,567 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 24 conjunts are in the unsatisfiable core [2020-04-17 23:03:28,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:03:28,623 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:03:28,623 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 23:03:28,624 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,665 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 23:03:28,666 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,666 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:03:28,709 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 19 treesize of output 18 [2020-04-17 23:03:28,709 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,719 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 19 treesize of output 18 [2020-04-17 23:03:28,719 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,730 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 19 treesize of output 18 [2020-04-17 23:03:28,730 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,778 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:28,779 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:03:28,779 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:03:28,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:28,874 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:03:28,875 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,889 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:03:28,890 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,897 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:03:28,898 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:28,950 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:28,951 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:03:28,951 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:99 [2020-04-17 23:03:28,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:28,976 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:28,976 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 23:03:28,977 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,017 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:29,017 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2020-04-17 23:03:29,018 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,034 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:29,034 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-17 23:03:29,035 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,073 INFO L619 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-04-17 23:03:29,074 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,074 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:114, output treesize:27 [2020-04-17 23:03:29,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:29,130 INFO L435 ElimStorePlain]: Different costs {6=[v_prenex_7], 10=[|v_#memory_int_163|]} [2020-04-17 23:03:29,142 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:29,142 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,202 INFO L619 ElimStorePlain]: treesize reduction 67, result has 49.2 percent of original size [2020-04-17 23:03:29,206 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:03:29,206 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,219 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:29,219 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,219 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:39 [2020-04-17 23:03:29,295 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:29,296 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,310 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:29,311 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:03:29,311 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:39 [2020-04-17 23:03:29,353 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-04-17 23:03:29,354 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,364 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:29,364 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:29,365 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:46, output treesize:9 [2020-04-17 23:03:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-04-17 23:03:29,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:03:29,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2020-04-17 23:03:29,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636026461] [2020-04-17 23:03:29,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-04-17 23:03:29,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:03:29,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-17 23:03:29,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-04-17 23:03:29,388 INFO L87 Difference]: Start difference. First operand 52981 states and 272971 transitions. Second operand 16 states. [2020-04-17 23:03:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:03:34,816 INFO L93 Difference]: Finished difference Result 90127 states and 455313 transitions. [2020-04-17 23:03:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-04-17 23:03:34,822 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 14 [2020-04-17 23:03:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:03:35,137 INFO L225 Difference]: With dead ends: 90127 [2020-04-17 23:03:35,137 INFO L226 Difference]: Without dead ends: 90127 [2020-04-17 23:03:35,138 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=232, Invalid=890, Unknown=0, NotChecked=0, Total=1122 [2020-04-17 23:03:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90127 states. [2020-04-17 23:03:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90127 to 53892. [2020-04-17 23:03:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53892 states. [2020-04-17 23:03:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53892 states to 53892 states and 276661 transitions. [2020-04-17 23:03:41,296 INFO L78 Accepts]: Start accepts. Automaton has 53892 states and 276661 transitions. Word has length 14 [2020-04-17 23:03:41,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:03:41,297 INFO L479 AbstractCegarLoop]: Abstraction has 53892 states and 276661 transitions. [2020-04-17 23:03:41,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-04-17 23:03:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 53892 states and 276661 transitions. [2020-04-17 23:03:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:03:41,298 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:41,299 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:03:41,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:03:41,502 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:41,503 INFO L82 PathProgramCache]: Analyzing trace with hash -373346649, now seen corresponding path program 1 times [2020-04-17 23:03:41,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:41,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119792963] [2020-04-17 23:03:41,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:03:42,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119792963] [2020-04-17 23:03:42,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751882655] [2020-04-17 23:03:42,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 23:03:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:42,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2020-04-17 23:03:42,163 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:03:42,210 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:03:42,211 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:03:42,211 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,248 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 23:03:42,248 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,249 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:03:42,290 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 19 treesize of output 18 [2020-04-17 23:03:42,290 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,297 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 19 treesize of output 18 [2020-04-17 23:03:42,298 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,304 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 19 treesize of output 18 [2020-04-17 23:03:42,305 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,349 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:42,349 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:03:42,350 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:03:42,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:42,470 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:42,470 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:03:42,471 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,520 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:42,521 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:03:42,522 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,642 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:03:42,642 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:03:42,643 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:03:42,644 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:42,823 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:03:42,824 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:03:42,824 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:03:42,825 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:03:43,122 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-04-17 23:03:43,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:43,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:43,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:43,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:43,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:43,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:43,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:43,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:43,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:43,149 INFO L435 ElimStorePlain]: Different costs {10=[v_prenex_9], 14=[|v_#memory_int_166|]} [2020-04-17 23:03:43,170 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:43,171 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,210 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:43,211 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,235 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:43,236 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,260 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:03:43,261 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,666 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-04-17 23:03:43,667 INFO L619 ElimStorePlain]: treesize reduction 254, result has 56.7 percent of original size [2020-04-17 23:03:43,688 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:03:43,689 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,722 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:03:43,723 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,748 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:03:43,749 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,762 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:03:43,762 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:43,873 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-04-17 23:03:43,873 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:43,875 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:03:43,875 INFO L239 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:675, output treesize:228 [2020-04-17 23:03:44,018 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-04-17 23:03:44,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:03:44,051 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 23:03:44,051 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,069 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 23:03:44,069 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,082 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 23:03:44,082 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,091 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-04-17 23:03:44,092 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,203 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-04-17 23:03:44,203 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,206 INFO L539 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-04-17 23:03:44,207 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:269, output treesize:225 [2020-04-17 23:03:44,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:03:44,431 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,431 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:03:44,432 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,493 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,494 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:03:44,495 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,545 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,546 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:03:44,547 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,575 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,576 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:03:44,576 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,692 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-04-17 23:03:44,692 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,694 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 1 dim-1 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2020-04-17 23:03:44,695 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 15 variables, input treesize:245, output treesize:220 [2020-04-17 23:03:44,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:03:44,838 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 23:03:44,838 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,863 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,864 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-04-17 23:03:44,864 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:90, output treesize:58 [2020-04-17 23:03:44,915 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 23:03:44,915 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,928 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:44,929 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:44,929 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-04-17 23:03:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:03:44,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:03:44,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 23:03:44,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075787304] [2020-04-17 23:03:44,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 23:03:44,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:03:44,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 23:03:44,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2020-04-17 23:03:44,958 INFO L87 Difference]: Start difference. First operand 53892 states and 276661 transitions. Second operand 22 states. [2020-04-17 23:03:45,551 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2020-04-17 23:03:45,908 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-04-17 23:03:46,289 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-04-17 23:03:46,645 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-04-17 23:03:47,015 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2020-04-17 23:03:47,710 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 115 [2020-04-17 23:03:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:03:54,808 INFO L93 Difference]: Finished difference Result 106687 states and 547635 transitions. [2020-04-17 23:03:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-04-17 23:03:54,809 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 23:03:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:03:55,778 INFO L225 Difference]: With dead ends: 106687 [2020-04-17 23:03:55,778 INFO L226 Difference]: Without dead ends: 106687 [2020-04-17 23:03:55,779 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=486, Invalid=2706, Unknown=0, NotChecked=0, Total=3192 [2020-04-17 23:03:56,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106687 states. [2020-04-17 23:03:57,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106687 to 59954. [2020-04-17 23:03:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59954 states. [2020-04-17 23:03:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59954 states to 59954 states and 306748 transitions. [2020-04-17 23:03:58,801 INFO L78 Accepts]: Start accepts. Automaton has 59954 states and 306748 transitions. Word has length 15 [2020-04-17 23:03:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:03:58,802 INFO L479 AbstractCegarLoop]: Abstraction has 59954 states and 306748 transitions. [2020-04-17 23:03:58,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 23:03:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 59954 states and 306748 transitions. [2020-04-17 23:03:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:03:58,804 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:03:58,805 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:03:59,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:03:59,008 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:03:59,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:03:59,009 INFO L82 PathProgramCache]: Analyzing trace with hash 363313407, now seen corresponding path program 2 times [2020-04-17 23:03:59,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:03:59,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682053205] [2020-04-17 23:03:59,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:03:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:03:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:03:59,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682053205] [2020-04-17 23:03:59,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701003685] [2020-04-17 23:03:59,516 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 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 23:03:59,611 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 23:03:59,611 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:03:59,612 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 27 conjunts are in the unsatisfiable core [2020-04-17 23:03:59,614 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:03:59,656 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:03:59,657 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 23:03:59,658 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:59,693 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 23:03:59,693 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:03:59,694 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:03:59,733 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 19 treesize of output 18 [2020-04-17 23:03:59,733 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:59,740 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 19 treesize of output 18 [2020-04-17 23:03:59,740 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:59,747 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-17 23:03:59,747 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:03:59,791 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:59,792 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:03:59,792 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:03:59,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:03:59,904 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:03:59,904 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:03:59,905 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,035 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:04:00,036 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:04:00,036 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:04:00,037 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,077 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:00,077 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:00,078 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,247 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:04:00,248 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:04:00,248 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:00,249 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:04:00,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:00,478 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:00,478 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,490 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 33 treesize of output 24 [2020-04-17 23:04:00,490 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,511 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:00,511 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,519 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:00,520 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,624 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-04-17 23:04:00,624 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:00,626 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:00,626 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:252, output treesize:196 [2020-04-17 23:04:00,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:04:00,811 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:00,812 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:00,812 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,854 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:00,855 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:00,855 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,905 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:00,906 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:04:00,907 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:00,929 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:00,929 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:00,930 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:01,027 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:01,029 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:01,029 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:216, output treesize:191 [2020-04-17 23:04:01,175 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-04-17 23:04:01,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:01,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:01,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:01,194 INFO L435 ElimStorePlain]: Different costs {6=[v_prenex_36, v_prenex_29], 10=[v_prenex_33, |v_#memory_int_171|]} [2020-04-17 23:04:01,207 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2020-04-17 23:04:01,208 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:01,399 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 69 [2020-04-17 23:04:01,400 INFO L619 ElimStorePlain]: treesize reduction 152, result has 49.8 percent of original size [2020-04-17 23:04:01,400 INFO L507 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2020-04-17 23:04:01,407 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:04:01,409 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2020-04-17 23:04:01,410 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:01,473 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:01,479 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:04:01,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2020-04-17 23:04:01,482 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:01,532 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:01,533 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2020-04-17 23:04:01,533 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 18 variables, input treesize:307, output treesize:107 [2020-04-17 23:04:01,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:01,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:01,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:01,739 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 23:04:01,739 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:01,812 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:01,829 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 23:04:01,830 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:01,898 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:01,899 INFO L539 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2020-04-17 23:04:01,900 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 13 variables, input treesize:185, output treesize:121 [2020-04-17 23:04:01,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:02,009 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 23:04:02,010 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:02,015 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 23:04:02,016 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:02,054 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:02,055 INFO L539 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:02,055 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 14 variables, input treesize:135, output treesize:9 [2020-04-17 23:04:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:02,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:04:02,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 23:04:02,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525756910] [2020-04-17 23:04:02,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 23:04:02,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:04:02,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 23:04:02,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2020-04-17 23:04:02,090 INFO L87 Difference]: Start difference. First operand 59954 states and 306748 transitions. Second operand 22 states. [2020-04-17 23:04:02,811 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2020-04-17 23:04:03,341 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2020-04-17 23:04:03,789 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-04-17 23:04:03,933 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-04-17 23:04:04,445 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2020-04-17 23:04:05,142 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-04-17 23:04:05,336 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-04-17 23:04:08,993 WARN L192 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-04-17 23:04:09,766 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-04-17 23:04:10,142 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-04-17 23:04:10,294 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-04-17 23:04:10,931 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2020-04-17 23:04:11,931 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-04-17 23:04:12,849 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-04-17 23:04:16,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:04:16,533 INFO L93 Difference]: Finished difference Result 142477 states and 741154 transitions. [2020-04-17 23:04:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-04-17 23:04:16,534 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 23:04:16,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:04:17,083 INFO L225 Difference]: With dead ends: 142477 [2020-04-17 23:04:17,083 INFO L226 Difference]: Without dead ends: 142477 [2020-04-17 23:04:17,085 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=749, Invalid=4363, Unknown=0, NotChecked=0, Total=5112 [2020-04-17 23:04:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142477 states. [2020-04-17 23:04:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142477 to 64304. [2020-04-17 23:04:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64304 states. [2020-04-17 23:04:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64304 states to 64304 states and 330916 transitions. [2020-04-17 23:04:20,234 INFO L78 Accepts]: Start accepts. Automaton has 64304 states and 330916 transitions. Word has length 15 [2020-04-17 23:04:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:04:20,235 INFO L479 AbstractCegarLoop]: Abstraction has 64304 states and 330916 transitions. [2020-04-17 23:04:20,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 23:04:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 64304 states and 330916 transitions. [2020-04-17 23:04:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:04:20,238 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:04:20,238 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:04:20,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:04:20,442 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:04:20,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:04:20,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2122056188, now seen corresponding path program 1 times [2020-04-17 23:04:20,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:04:20,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189809135] [2020-04-17 23:04:20,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:04:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:04:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:20,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189809135] [2020-04-17 23:04:20,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357777214] [2020-04-17 23:04:20,992 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 23:04:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:04:21,091 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 29 conjunts are in the unsatisfiable core [2020-04-17 23:04:21,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:04:21,133 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:04:21,133 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:04:21,134 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,169 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 23:04:21,169 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,170 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:04:21,210 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 19 treesize of output 18 [2020-04-17 23:04:21,210 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,219 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 19 treesize of output 18 [2020-04-17 23:04:21,220 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,226 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 19 treesize of output 18 [2020-04-17 23:04:21,226 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,267 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:21,267 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:21,267 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:04:21,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:21,450 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:04:21,450 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:04:21,451 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,505 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:21,506 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:21,506 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,547 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:21,547 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:21,548 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:21,708 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:04:21,709 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:04:21,709 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:21,710 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:04:21,978 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-04-17 23:04:21,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:21,995 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:21,996 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,008 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 33 treesize of output 24 [2020-04-17 23:04:22,008 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,020 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:22,021 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,032 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:22,033 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,137 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-04-17 23:04:22,138 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,139 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:22,139 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:252, output treesize:200 [2020-04-17 23:04:22,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:04:22,321 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,321 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:22,322 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,352 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,353 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:22,353 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,413 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,414 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:04:22,415 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,457 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,458 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:22,458 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,560 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-04-17 23:04:22,561 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,563 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:22,563 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:220, output treesize:195 [2020-04-17 23:04:22,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:22,734 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_175|], 10=[v_prenex_47]} [2020-04-17 23:04:22,747 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:04:22,748 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,828 INFO L619 ElimStorePlain]: treesize reduction 72, result has 52.6 percent of original size [2020-04-17 23:04:22,833 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:04:22,834 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,863 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:22,863 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 23:04:22,864 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:164, output treesize:54 [2020-04-17 23:04:22,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:22,966 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47 [2020-04-17 23:04:22,967 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:22,978 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2020-04-17 23:04:22,979 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:23,064 INFO L619 ElimStorePlain]: treesize reduction 78, result has 42.6 percent of original size [2020-04-17 23:04:23,065 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:04:23,065 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:164, output treesize:58 [2020-04-17 23:04:23,198 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-04-17 23:04:23,199 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:23,215 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:23,215 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:23,216 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:75, output treesize:9 [2020-04-17 23:04:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:23,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:04:23,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 23:04:23,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617130991] [2020-04-17 23:04:23,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 23:04:23,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:04:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 23:04:23,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-04-17 23:04:23,254 INFO L87 Difference]: Start difference. First operand 64304 states and 330916 transitions. Second operand 23 states. [2020-04-17 23:04:23,546 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-04-17 23:04:23,684 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-04-17 23:04:24,016 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-04-17 23:04:24,273 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-04-17 23:04:28,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:04:28,631 INFO L93 Difference]: Finished difference Result 73592 states and 375593 transitions. [2020-04-17 23:04:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-04-17 23:04:28,632 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 23:04:28,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:04:28,908 INFO L225 Difference]: With dead ends: 73592 [2020-04-17 23:04:28,908 INFO L226 Difference]: Without dead ends: 73592 [2020-04-17 23:04:28,908 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=200, Invalid=1132, Unknown=0, NotChecked=0, Total=1332 [2020-04-17 23:04:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73592 states. [2020-04-17 23:04:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73592 to 65418. [2020-04-17 23:04:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65418 states. [2020-04-17 23:04:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65418 states to 65418 states and 336028 transitions. [2020-04-17 23:04:34,442 INFO L78 Accepts]: Start accepts. Automaton has 65418 states and 336028 transitions. Word has length 15 [2020-04-17 23:04:34,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:04:34,442 INFO L479 AbstractCegarLoop]: Abstraction has 65418 states and 336028 transitions. [2020-04-17 23:04:34,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 23:04:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 65418 states and 336028 transitions. [2020-04-17 23:04:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:04:34,444 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:04:34,444 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:04:34,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:04:34,646 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:04:34,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:04:34,649 INFO L82 PathProgramCache]: Analyzing trace with hash 2133579943, now seen corresponding path program 3 times [2020-04-17 23:04:34,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:04:34,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220941616] [2020-04-17 23:04:34,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:04:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:04:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:35,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220941616] [2020-04-17 23:04:35,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390168112] [2020-04-17 23:04:35,184 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 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 23:04:35,266 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-04-17 23:04:35,266 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:04:35,267 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 30 conjunts are in the unsatisfiable core [2020-04-17 23:04:35,268 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:04:35,325 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:04:35,326 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 23:04:35,326 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,360 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 23:04:35,360 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,361 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:04:35,398 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 19 treesize of output 18 [2020-04-17 23:04:35,399 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,406 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 19 treesize of output 18 [2020-04-17 23:04:35,407 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,415 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 19 treesize of output 18 [2020-04-17 23:04:35,415 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,462 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:35,463 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:35,463 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:04:35,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:35,579 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:35,579 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:35,580 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,712 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:04:35,713 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:04:35,713 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:04:35,715 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,785 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:35,786 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:35,786 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:35,955 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:04:35,956 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:04:35,956 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:35,956 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:04:36,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:36,166 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 33 treesize of output 24 [2020-04-17 23:04:36,166 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,176 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:36,177 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,190 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:36,191 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,200 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2020-04-17 23:04:36,200 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,303 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-04-17 23:04:36,303 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,305 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:36,305 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:252, output treesize:192 [2020-04-17 23:04:36,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:04:36,499 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,499 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:04:36,500 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,530 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,530 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:36,531 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,563 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,563 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:36,564 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,586 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,586 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:36,587 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,686 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,688 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:36,688 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:212, output treesize:187 [2020-04-17 23:04:36,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:36,829 INFO L435 ElimStorePlain]: Different costs {6=[|v_#memory_int_179|], 10=[v_prenex_55]} [2020-04-17 23:04:36,836 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:04:36,837 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,909 INFO L619 ElimStorePlain]: treesize reduction 72, result has 52.6 percent of original size [2020-04-17 23:04:36,912 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:04:36,913 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2020-04-17 23:04:36,913 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:36,935 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:36,936 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 23:04:36,936 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:164, output treesize:54 [2020-04-17 23:04:36,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:37,026 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2020-04-17 23:04:37,027 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:37,033 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:04:37,039 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 49 [2020-04-17 23:04:37,040 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:37,104 INFO L619 ElimStorePlain]: treesize reduction 78, result has 42.6 percent of original size [2020-04-17 23:04:37,105 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:04:37,105 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:168, output treesize:58 [2020-04-17 23:04:37,220 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-04-17 23:04:37,221 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:37,237 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:37,237 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:37,237 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:75, output treesize:9 [2020-04-17 23:04:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:37,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:04:37,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2020-04-17 23:04:37,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517537871] [2020-04-17 23:04:37,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 23:04:37,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:04:37,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 23:04:37,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-04-17 23:04:37,254 INFO L87 Difference]: Start difference. First operand 65418 states and 336028 transitions. Second operand 22 states. [2020-04-17 23:04:37,615 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-04-17 23:04:37,803 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-04-17 23:04:38,286 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-04-17 23:04:38,599 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-04-17 23:04:44,561 WARN L192 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-04-17 23:04:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:04:47,491 INFO L93 Difference]: Finished difference Result 79001 states and 399384 transitions. [2020-04-17 23:04:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-04-17 23:04:47,491 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 23:04:47,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:04:47,757 INFO L225 Difference]: With dead ends: 79001 [2020-04-17 23:04:47,757 INFO L226 Difference]: Without dead ends: 79001 [2020-04-17 23:04:47,758 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2020-04-17 23:04:48,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79001 states. [2020-04-17 23:04:50,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79001 to 66275. [2020-04-17 23:04:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66275 states. [2020-04-17 23:04:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66275 states to 66275 states and 340099 transitions. [2020-04-17 23:04:50,275 INFO L78 Accepts]: Start accepts. Automaton has 66275 states and 340099 transitions. Word has length 15 [2020-04-17 23:04:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:04:50,275 INFO L479 AbstractCegarLoop]: Abstraction has 66275 states and 340099 transitions. [2020-04-17 23:04:50,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 23:04:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 66275 states and 340099 transitions. [2020-04-17 23:04:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:04:50,277 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:04:50,277 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:04:50,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:04:50,478 INFO L427 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:04:50,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:04:50,479 INFO L82 PathProgramCache]: Analyzing trace with hash 139211389, now seen corresponding path program 4 times [2020-04-17 23:04:50,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:04:50,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963569301] [2020-04-17 23:04:50,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:04:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:04:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:50,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963569301] [2020-04-17 23:04:50,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611418721] [2020-04-17 23:04:50,878 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 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 23:04:50,952 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-04-17 23:04:50,952 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:04:50,954 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2020-04-17 23:04:50,955 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:04:51,008 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:04:51,008 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 23:04:51,009 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,041 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 23:04:51,041 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,042 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:04:51,080 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 19 treesize of output 18 [2020-04-17 23:04:51,081 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,089 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 19 treesize of output 18 [2020-04-17 23:04:51,089 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,095 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 19 treesize of output 18 [2020-04-17 23:04:51,096 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,142 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:51,142 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:51,143 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:04:51,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:51,259 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:51,260 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:51,261 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,313 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:51,313 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:04:51,314 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,432 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:04:51,433 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:04:51,434 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:04:51,435 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,608 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:04:51,609 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:04:51,609 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:04:51,609 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:04:51,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:04:51,728 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:04:51,729 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,740 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 26 treesize of output 21 [2020-04-17 23:04:51,741 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,752 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:04:51,753 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,759 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:04:51,759 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:51,851 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:51,852 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:51,853 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 23:04:51,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:04:52,008 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:52,009 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:52,009 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:52,069 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:52,070 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:04:52,070 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:52,097 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:52,098 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:52,098 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:52,119 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:52,120 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:04:52,120 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:52,210 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:52,212 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:04:52,212 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 23:04:52,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:52,358 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:04:52,359 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:52,376 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2020-04-17 23:04:52,376 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:52,434 INFO L619 ElimStorePlain]: treesize reduction 56, result has 47.7 percent of original size [2020-04-17 23:04:52,435 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:04:52,435 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:158, output treesize:51 [2020-04-17 23:04:52,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:04:52,542 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 23:04:52,543 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:56,475 WARN L192 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 40 [2020-04-17 23:04:56,475 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:56,476 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-04-17 23:04:56,476 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:90, output treesize:58 [2020-04-17 23:04:56,529 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 23:04:56,529 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:04:56,553 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:04:56,554 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:04:56,554 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-04-17 23:04:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:04:56,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:04:56,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 23:04:56,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578923799] [2020-04-17 23:04:56,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 23:04:56,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:04:56,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 23:04:56,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2020-04-17 23:04:56,594 INFO L87 Difference]: Start difference. First operand 66275 states and 340099 transitions. Second operand 22 states. [2020-04-17 23:04:56,782 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2020-04-17 23:04:57,084 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-04-17 23:04:57,299 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-04-17 23:05:01,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:05:01,912 INFO L93 Difference]: Finished difference Result 123062 states and 634679 transitions. [2020-04-17 23:05:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-04-17 23:05:01,913 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 23:05:01,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:05:02,916 INFO L225 Difference]: With dead ends: 123062 [2020-04-17 23:05:02,917 INFO L226 Difference]: Without dead ends: 123062 [2020-04-17 23:05:02,917 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=293, Invalid=1599, Unknown=0, NotChecked=0, Total=1892 [2020-04-17 23:05:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123062 states. [2020-04-17 23:05:08,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123062 to 69091. [2020-04-17 23:05:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69091 states. [2020-04-17 23:05:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69091 states to 69091 states and 356202 transitions. [2020-04-17 23:05:08,726 INFO L78 Accepts]: Start accepts. Automaton has 69091 states and 356202 transitions. Word has length 15 [2020-04-17 23:05:08,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:05:08,726 INFO L479 AbstractCegarLoop]: Abstraction has 69091 states and 356202 transitions. [2020-04-17 23:05:08,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 23:05:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 69091 states and 356202 transitions. [2020-04-17 23:05:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:05:08,729 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:05:08,729 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:05:08,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:05:08,932 INFO L427 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:05:08,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:05:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1948809090, now seen corresponding path program 2 times [2020-04-17 23:05:08,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:05:08,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483495407] [2020-04-17 23:05:08,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:05:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:05:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:09,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483495407] [2020-04-17 23:05:09,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169139111] [2020-04-17 23:05:09,318 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 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 23:05:09,416 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 23:05:09,417 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:05:09,419 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2020-04-17 23:05:09,420 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:05:09,463 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:05:09,464 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 66 [2020-04-17 23:05:09,464 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,497 INFO L619 ElimStorePlain]: treesize reduction 23, result has 59.6 percent of original size [2020-04-17 23:05:09,498 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,498 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:05:09,542 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 19 treesize of output 18 [2020-04-17 23:05:09,543 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,551 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 19 treesize of output 18 [2020-04-17 23:05:09,551 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,557 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 19 treesize of output 18 [2020-04-17 23:05:09,557 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,598 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:09,598 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:09,598 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:05:09,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:09,791 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:05:09,792 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:05:09,792 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:05:09,793 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,846 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:09,847 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:09,848 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:09,890 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:09,890 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:09,891 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,066 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:05:10,067 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:05:10,067 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:10,067 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:05:10,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:10,178 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:10,179 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,196 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 26 treesize of output 21 [2020-04-17 23:05:10,196 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,208 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:10,209 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,215 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:10,216 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,313 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:10,314 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:10,314 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 23:05:10,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:05:10,469 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:10,469 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:10,470 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,499 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:10,500 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:10,500 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,530 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:10,531 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:10,531 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,577 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:10,578 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:05:10,579 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,665 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:10,666 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:10,666 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 23:05:10,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:10,913 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 23:05:10,914 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,928 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 43 [2020-04-17 23:05:10,929 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:10,995 INFO L619 ElimStorePlain]: treesize reduction 66, result has 45.0 percent of original size [2020-04-17 23:05:10,995 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:10,996 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:172, output treesize:54 [2020-04-17 23:05:11,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:11,061 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 45 [2020-04-17 23:05:11,062 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:11,073 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2020-04-17 23:05:11,073 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:11,140 INFO L619 ElimStorePlain]: treesize reduction 74, result has 43.9 percent of original size [2020-04-17 23:05:11,141 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:11,141 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:160, output treesize:58 [2020-04-17 23:05:11,195 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 23:05:11,195 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:11,209 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:11,210 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:11,210 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-04-17 23:05:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:11,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:05:11,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 23:05:11,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515315614] [2020-04-17 23:05:11,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 23:05:11,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:05:11,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 23:05:11,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2020-04-17 23:05:11,240 INFO L87 Difference]: Start difference. First operand 69091 states and 356202 transitions. Second operand 22 states. [2020-04-17 23:05:11,553 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2020-04-17 23:05:11,842 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2020-04-17 23:05:12,049 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-04-17 23:05:12,373 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-04-17 23:05:18,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:05:18,036 INFO L93 Difference]: Finished difference Result 119206 states and 610095 transitions. [2020-04-17 23:05:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-04-17 23:05:18,036 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 23:05:18,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:05:18,463 INFO L225 Difference]: With dead ends: 119206 [2020-04-17 23:05:18,464 INFO L226 Difference]: Without dead ends: 119206 [2020-04-17 23:05:18,464 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=228, Invalid=1254, Unknown=0, NotChecked=0, Total=1482 [2020-04-17 23:05:19,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119206 states. [2020-04-17 23:05:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119206 to 76862. [2020-04-17 23:05:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76862 states. [2020-04-17 23:05:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76862 states to 76862 states and 399487 transitions. [2020-04-17 23:05:22,760 INFO L78 Accepts]: Start accepts. Automaton has 76862 states and 399487 transitions. Word has length 15 [2020-04-17 23:05:22,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:05:22,760 INFO L479 AbstractCegarLoop]: Abstraction has 76862 states and 399487 transitions. [2020-04-17 23:05:22,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 23:05:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 76862 states and 399487 transitions. [2020-04-17 23:05:22,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:05:22,763 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:05:22,764 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:05:22,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:05:22,970 INFO L427 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:05:22,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:05:22,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1909477925, now seen corresponding path program 5 times [2020-04-17 23:05:22,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:05:22,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159070542] [2020-04-17 23:05:22,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:05:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:05:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:23,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159070542] [2020-04-17 23:05:23,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820760028] [2020-04-17 23:05:23,549 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 23:05:23,633 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 23:05:23,634 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:05:23,635 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 33 conjunts are in the unsatisfiable core [2020-04-17 23:05:23,637 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:05:23,685 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:05:23,685 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:05:23,686 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:23,725 INFO L619 ElimStorePlain]: treesize reduction 24, result has 60.7 percent of original size [2020-04-17 23:05:23,726 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:23,726 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:37 [2020-04-17 23:05:23,770 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 19 treesize of output 18 [2020-04-17 23:05:23,771 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:23,783 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 19 treesize of output 18 [2020-04-17 23:05:23,784 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:23,791 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 19 treesize of output 18 [2020-04-17 23:05:23,791 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:23,849 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:23,849 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:23,850 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:120, output treesize:108 [2020-04-17 23:05:23,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:23,979 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:23,979 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:23,980 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,107 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:05:24,107 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:05:24,108 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,150 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:24,150 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:24,151 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,359 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-04-17 23:05:24,359 INFO L619 ElimStorePlain]: treesize reduction 94, result has 63.0 percent of original size [2020-04-17 23:05:24,360 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:24,360 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:150, output treesize:160 [2020-04-17 23:05:24,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:24,490 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:24,490 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,502 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 26 treesize of output 21 [2020-04-17 23:05:24,502 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,514 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:24,515 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,523 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:24,523 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,641 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-04-17 23:05:24,641 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:24,642 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:24,643 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:248, output treesize:204 [2020-04-17 23:05:24,779 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-04-17 23:05:24,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:05:24,843 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:24,844 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:24,845 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,872 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:24,873 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:24,873 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,931 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:24,931 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:05:24,932 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:24,955 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:24,955 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:24,956 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,066 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-04-17 23:05:25,067 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:25,068 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:25,068 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:224, output treesize:199 [2020-04-17 23:05:25,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:25,271 INFO L435 ElimStorePlain]: Different costs {6=[v_prenex_73], 10=[|v_#memory_int_191|]} [2020-04-17 23:05:25,280 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 23:05:25,281 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,350 INFO L619 ElimStorePlain]: treesize reduction 11, result has 89.1 percent of original size [2020-04-17 23:05:25,357 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 23:05:25,357 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,385 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:25,386 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:25,386 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:184, output treesize:60 [2020-04-17 23:05:25,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:25,473 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2020-04-17 23:05:25,474 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,487 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47 [2020-04-17 23:05:25,488 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,572 INFO L619 ElimStorePlain]: treesize reduction 84, result has 43.2 percent of original size [2020-04-17 23:05:25,573 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:25,573 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:176, output treesize:64 [2020-04-17 23:05:25,687 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-04-17 23:05:25,688 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,707 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:25,707 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:25,707 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:75, output treesize:9 [2020-04-17 23:05:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:25,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:05:25,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 23:05:25,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819231057] [2020-04-17 23:05:25,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 23:05:25,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:05:25,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 23:05:25,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2020-04-17 23:05:25,746 INFO L87 Difference]: Start difference. First operand 76862 states and 399487 transitions. Second operand 23 states. [2020-04-17 23:05:25,980 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-04-17 23:05:26,296 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-04-17 23:05:26,546 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-04-17 23:05:26,910 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-04-17 23:05:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:05:34,675 INFO L93 Difference]: Finished difference Result 102339 states and 525964 transitions. [2020-04-17 23:05:34,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-04-17 23:05:34,675 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 23:05:34,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:05:35,069 INFO L225 Difference]: With dead ends: 102339 [2020-04-17 23:05:35,069 INFO L226 Difference]: Without dead ends: 102339 [2020-04-17 23:05:35,070 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=215, Invalid=1191, Unknown=0, NotChecked=0, Total=1406 [2020-04-17 23:05:36,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102339 states. [2020-04-17 23:05:38,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102339 to 78856. [2020-04-17 23:05:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78856 states. [2020-04-17 23:05:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78856 states to 78856 states and 411086 transitions. [2020-04-17 23:05:38,563 INFO L78 Accepts]: Start accepts. Automaton has 78856 states and 411086 transitions. Word has length 15 [2020-04-17 23:05:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:05:38,564 INFO L479 AbstractCegarLoop]: Abstraction has 78856 states and 411086 transitions. [2020-04-17 23:05:38,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 23:05:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 78856 states and 411086 transitions. [2020-04-17 23:05:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:05:38,566 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:05:38,566 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:05:38,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:05:38,767 INFO L427 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:05:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:05:38,768 INFO L82 PathProgramCache]: Analyzing trace with hash 105019446, now seen corresponding path program 3 times [2020-04-17 23:05:38,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:05:38,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921610199] [2020-04-17 23:05:38,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:05:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:05:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:39,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921610199] [2020-04-17 23:05:39,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040505513] [2020-04-17 23:05:39,330 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 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 23:05:39,420 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-04-17 23:05:39,420 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:05:39,421 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2020-04-17 23:05:39,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:05:39,476 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:05:39,476 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:05:39,477 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,516 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 23:05:39,516 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,516 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:05:39,554 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 19 treesize of output 18 [2020-04-17 23:05:39,555 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,564 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 19 treesize of output 18 [2020-04-17 23:05:39,564 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,572 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 19 treesize of output 18 [2020-04-17 23:05:39,573 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,621 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:39,622 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:39,622 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:05:39,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:39,756 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:39,756 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:39,757 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,898 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:05:39,899 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:05:39,899 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:05:39,900 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:39,943 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:39,944 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:39,945 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,120 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:05:40,120 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:05:40,121 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:40,121 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:05:40,215 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:40,227 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 26 treesize of output 21 [2020-04-17 23:05:40,227 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,241 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:40,242 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,265 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:40,265 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,272 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:40,273 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,370 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:40,371 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:40,372 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 23:05:40,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:05:40,537 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:40,538 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:40,538 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,570 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:40,571 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:40,571 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,603 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:40,604 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:40,604 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,651 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:40,651 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:05:40,652 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,745 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:40,746 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:40,747 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 23:05:40,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:40,879 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-04-17 23:05:40,880 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,885 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2020-04-17 23:05:40,886 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:40,928 INFO L619 ElimStorePlain]: treesize reduction 6, result has 89.5 percent of original size [2020-04-17 23:05:40,929 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:40,929 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:170, output treesize:51 [2020-04-17 23:05:41,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:41,012 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2020-04-17 23:05:41,012 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:41,042 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:41,043 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:41,043 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:90, output treesize:58 [2020-04-17 23:05:41,106 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2020-04-17 23:05:41,107 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:41,124 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:41,125 INFO L539 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:41,125 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:65, output treesize:9 [2020-04-17 23:05:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:41,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:05:41,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2020-04-17 23:05:41,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803187440] [2020-04-17 23:05:41,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-04-17 23:05:41,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:05:41,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-04-17 23:05:41,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2020-04-17 23:05:41,168 INFO L87 Difference]: Start difference. First operand 78856 states and 411086 transitions. Second operand 22 states. [2020-04-17 23:05:41,571 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-04-17 23:05:41,748 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-04-17 23:05:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:05:47,516 INFO L93 Difference]: Finished difference Result 89676 states and 463571 transitions. [2020-04-17 23:05:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-04-17 23:05:47,517 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 15 [2020-04-17 23:05:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:05:47,843 INFO L225 Difference]: With dead ends: 89676 [2020-04-17 23:05:47,843 INFO L226 Difference]: Without dead ends: 89676 [2020-04-17 23:05:47,843 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2020-04-17 23:05:48,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89676 states. [2020-04-17 23:05:50,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89676 to 79580. [2020-04-17 23:05:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79580 states. [2020-04-17 23:05:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79580 states to 79580 states and 414666 transitions. [2020-04-17 23:05:50,447 INFO L78 Accepts]: Start accepts. Automaton has 79580 states and 414666 transitions. Word has length 15 [2020-04-17 23:05:50,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:05:50,447 INFO L479 AbstractCegarLoop]: Abstraction has 79580 states and 414666 transitions. [2020-04-17 23:05:50,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-04-17 23:05:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 79580 states and 414666 transitions. [2020-04-17 23:05:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:05:50,451 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:05:50,451 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:05:51,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:05:51,612 INFO L427 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:05:51,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:05:51,613 INFO L82 PathProgramCache]: Analyzing trace with hash -615326934, now seen corresponding path program 4 times [2020-04-17 23:05:51,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:05:51,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254898722] [2020-04-17 23:05:51,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:05:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:05:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:52,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254898722] [2020-04-17 23:05:52,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399349411] [2020-04-17 23:05:52,045 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 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 23:05:52,134 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-04-17 23:05:52,135 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:05:52,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 29 conjunts are in the unsatisfiable core [2020-04-17 23:05:52,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:05:52,181 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:05:52,182 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:05:52,182 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,219 INFO L619 ElimStorePlain]: treesize reduction 24, result has 58.6 percent of original size [2020-04-17 23:05:52,219 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,220 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:34 [2020-04-17 23:05:52,256 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 19 treesize of output 18 [2020-04-17 23:05:52,256 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,264 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 19 treesize of output 18 [2020-04-17 23:05:52,265 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,271 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 19 treesize of output 18 [2020-04-17 23:05:52,272 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,321 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:52,321 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:52,322 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:111, output treesize:99 [2020-04-17 23:05:52,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:52,526 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:05:52,526 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:05:52,527 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:05:52,528 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,583 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:52,583 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:52,584 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,629 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:52,629 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:05:52,630 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,809 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-04-17 23:05:52,809 INFO L619 ElimStorePlain]: treesize reduction 94, result has 60.2 percent of original size [2020-04-17 23:05:52,810 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:05:52,810 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:132, output treesize:142 [2020-04-17 23:05:52,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:05:52,924 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:52,925 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,939 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:52,940 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,953 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:05:52,954 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:52,961 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 26 treesize of output 21 [2020-04-17 23:05:52,962 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,059 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,061 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:53,061 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:224, output treesize:180 [2020-04-17 23:05:53,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:05:53,210 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,210 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:53,211 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,242 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:53,243 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,274 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,275 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:05:53,275 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,323 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,324 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:05:53,324 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,418 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,419 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:05:53,420 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:200, output treesize:175 [2020-04-17 23:05:53,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:53,598 INFO L435 ElimStorePlain]: Different costs {6=[v_prenex_85], 10=[|v_#memory_int_199|]} [2020-04-17 23:05:53,612 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 23:05:53,613 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,685 INFO L619 ElimStorePlain]: treesize reduction 84, result has 48.8 percent of original size [2020-04-17 23:05:53,689 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2020-04-17 23:05:53,690 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,717 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,718 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:53,718 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:168, output treesize:45 [2020-04-17 23:05:53,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:53,788 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2020-04-17 23:05:53,789 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:53,795 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-17 23:05:53,801 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2020-04-17 23:05:53,801 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 23:05:53,872 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:53,874 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 2 xjuncts. [2020-04-17 23:05:53,874 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:150, output treesize:127 [2020-04-17 23:05:54,098 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-04-17 23:05:54,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:54,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:05:54,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 27 [2020-04-17 23:05:54,243 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:54,248 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-04-17 23:05:54,248 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:05:54,287 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:05:54,288 INFO L539 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-04-17 23:05:54,288 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 15 variables, input treesize:154, output treesize:22 [2020-04-17 23:05:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:05:54,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 23:05:54,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2020-04-17 23:05:54,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283426411] [2020-04-17 23:05:54,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 23:05:54,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 23:05:54,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 23:05:54,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2020-04-17 23:05:54,341 INFO L87 Difference]: Start difference. First operand 79580 states and 414666 transitions. Second operand 23 states. [2020-04-17 23:05:54,816 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-04-17 23:05:55,023 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-04-17 23:05:55,328 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-04-17 23:05:57,978 WARN L192 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2020-04-17 23:06:00,871 WARN L192 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-04-17 23:06:01,066 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2020-04-17 23:06:01,762 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-04-17 23:06:02,338 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-04-17 23:06:03,082 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2020-04-17 23:06:08,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 23:06:08,153 INFO L93 Difference]: Finished difference Result 128617 states and 663392 transitions. [2020-04-17 23:06:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-04-17 23:06:08,154 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 15 [2020-04-17 23:06:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 23:06:08,616 INFO L225 Difference]: With dead ends: 128617 [2020-04-17 23:06:08,616 INFO L226 Difference]: Without dead ends: 128617 [2020-04-17 23:06:08,616 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=243, Invalid=1317, Unknown=0, NotChecked=0, Total=1560 [2020-04-17 23:06:09,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128617 states. [2020-04-17 23:06:11,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128617 to 80537. [2020-04-17 23:06:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80537 states. [2020-04-17 23:06:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80537 states to 80537 states and 419714 transitions. [2020-04-17 23:06:13,137 INFO L78 Accepts]: Start accepts. Automaton has 80537 states and 419714 transitions. Word has length 15 [2020-04-17 23:06:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 23:06:13,137 INFO L479 AbstractCegarLoop]: Abstraction has 80537 states and 419714 transitions. [2020-04-17 23:06:13,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 23:06:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 80537 states and 419714 transitions. [2020-04-17 23:06:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 23:06:13,140 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 23:06:13,140 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 23:06:13,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:06:13,341 INFO L427 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-17 23:06:13,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 23:06:13,342 INFO L82 PathProgramCache]: Analyzing trace with hash -654658099, now seen corresponding path program 6 times [2020-04-17 23:06:13,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 23:06:13,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823124889] [2020-04-17 23:06:13,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 23:06:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 23:06:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 23:06:13,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823124889] [2020-04-17 23:06:13,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724355186] [2020-04-17 23:06:13,852 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 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 23:06:13,937 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2020-04-17 23:06:13,937 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 23:06:13,938 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 35 conjunts are in the unsatisfiable core [2020-04-17 23:06:13,939 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 23:06:13,985 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2020-04-17 23:06:13,986 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 36 treesize of output 54 [2020-04-17 23:06:13,986 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,030 INFO L619 ElimStorePlain]: treesize reduction 24, result has 60.7 percent of original size [2020-04-17 23:06:14,031 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,031 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:37 [2020-04-17 23:06:14,071 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 19 treesize of output 18 [2020-04-17 23:06:14,072 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,080 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 19 treesize of output 18 [2020-04-17 23:06:14,081 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,088 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 19 treesize of output 18 [2020-04-17 23:06:14,089 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,146 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:14,147 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:06:14,147 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:120, output treesize:108 [2020-04-17 23:06:14,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:06:14,451 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-04-17 23:06:14,452 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2020-04-17 23:06:14,452 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 99 [2020-04-17 23:06:14,453 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,510 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:14,510 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:06:14,511 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,552 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:14,552 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-04-17 23:06:14,553 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,763 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-04-17 23:06:14,764 INFO L619 ElimStorePlain]: treesize reduction 94, result has 63.0 percent of original size [2020-04-17 23:06:14,764 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2020-04-17 23:06:14,764 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:150, output treesize:160 [2020-04-17 23:06:14,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-17 23:06:14,905 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:06:14,906 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,917 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 26 treesize of output 21 [2020-04-17 23:06:14,918 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,932 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:06:14,933 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:14,942 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-17 23:06:14,942 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:15,061 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-04-17 23:06:15,062 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:15,063 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:06:15,063 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:248, output treesize:204 [2020-04-17 23:06:15,204 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-04-17 23:06:15,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2020-04-17 23:06:15,244 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:15,245 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:06:15,245 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:15,277 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:15,278 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:06:15,278 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:15,341 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:15,342 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-04-17 23:06:15,342 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:15,366 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:15,367 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2020-04-17 23:06:15,367 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:15,485 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-04-17 23:06:15,485 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:15,487 INFO L539 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-04-17 23:06:15,487 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:224, output treesize:199 [2020-04-17 23:06:15,648 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-04-17 23:06:15,957 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-04-17 23:06:15,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:15,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:15,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:15,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:15,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:15,971 INFO L435 ElimStorePlain]: Different costs {12=[|v_#memory_int_203|], 18=[v_prenex_100]} [2020-04-17 23:06:15,987 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 23:06:15,987 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:15,998 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2020-04-17 23:06:15,999 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:16,237 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2020-04-17 23:06:16,238 INFO L619 ElimStorePlain]: treesize reduction 154, result has 54.6 percent of original size [2020-04-17 23:06:16,256 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 23:06:16,257 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:16,269 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2020-04-17 23:06:16,270 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-17 23:06:16,353 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 23:06:16,354 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-04-17 23:06:16,354 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:375, output treesize:125 [2020-04-17 23:06:16,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:16,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:16,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 23:06:16,484 INFO L435 ElimStorePlain]: Different costs {12=[v_prenex_104, v_prenex_106], 18=[|v_#memory_int_204|, v_prenex_112]} [2020-04-17 23:06:16,505 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2020-04-17 23:06:16,506 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. Received shutdown request... [2020-04-17 23:06:16,561 WARN L209 SmtUtils]: Removed 14 from assertion stack [2020-04-17 23:06:16,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 23:06:16,762 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-17 23:06:16,767 WARN L228 ceAbstractionStarter]: Timeout [2020-04-17 23:06:16,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 11:06:16 BasicIcfg [2020-04-17 23:06:16,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 23:06:16,769 INFO L168 Benchmark]: Toolchain (without parser) took 215073.95 ms. Allocated memory was 144.2 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 100.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,770 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.00 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 160.4 MB in the end (delta: -61.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.64 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 158.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,770 INFO L168 Benchmark]: Boogie Preprocessor took 59.07 ms. Allocated memory is still 200.8 MB. Free memory was 158.3 MB in the beginning and 156.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,771 INFO L168 Benchmark]: RCFGBuilder took 839.66 ms. Allocated memory is still 200.8 MB. Free memory was 156.3 MB in the beginning and 116.5 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,771 INFO L168 Benchmark]: TraceAbstraction took 213351.22 ms. Allocated memory was 200.8 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 116.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-04-17 23:06:16,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.00 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 160.4 MB in the end (delta: -61.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.64 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 158.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.07 ms. Allocated memory is still 200.8 MB. Free memory was 158.3 MB in the beginning and 156.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 839.66 ms. Allocated memory is still 200.8 MB. Free memory was 156.3 MB in the beginning and 116.5 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213351.22 ms. Allocated memory was 200.8 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 116.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 48 ProgramPointsBefore, 17 ProgramPointsAfterwards, 50 TransitionsBefore, 17 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 329 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 583 CheckedPairsTotal, 41 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 78 ProgramPointsBefore, 28 ProgramPointsAfterwards, 82 TransitionsBefore, 29 TransitionsAfterwards, 3224 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 1712 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4115 CheckedPairsTotal, 68 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 108 ProgramPointsBefore, 39 ProgramPointsAfterwards, 114 TransitionsBefore, 41 TransitionsAfterwards, 7812 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 4174 VarBasedMoverChecksPositive, 54 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 9903 CheckedPairsTotal, 96 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.2s, 138 ProgramPointsBefore, 48 ProgramPointsAfterwards, 146 TransitionsBefore, 51 TransitionsAfterwards, 14384 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 5 ChoiceCompositions, 7805 VarBasedMoverChecksPositive, 67 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 18219 CheckedPairsTotal, 128 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 700]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 700). Cancelled while BasicCegarLoop was analyzing trace of length 16 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 142 for 54ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 213.0s, OverallIterations: 24, TraceHistogramMax: 4, AutomataDifference: 109.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.2s, HoareTripleCheckerStatistics: 1806 SDtfs, 7763 SDslu, 11506 SDs, 0 SdLazy, 32179 SolverSat, 2063 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 54.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 624 GetRequests, 59 SyntacticMatches, 6 SemanticMatches, 559 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6468 ImplicationChecksByTransitivity, 39.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80537occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 51.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 435975 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 31.2s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 387 ConstructedInterpolants, 81 QuantifiedInterpolants, 255988 SizeOfPredicates, 411 NumberOfNonLiveVariables, 954 ConjunctsInSsa, 346 ConjunctsInUnsatCore, 33 InterpolantComputations, 7 PerfectInterpolantSequences, 12/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown